10-K Filing

HECLA MINING CO/DE/ CIK: 719413 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0000950170-25-019955`
Period End Date	20241231
Filing Date	20250213
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	hl-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 204 Income Statement 192 Cash Flow Statement 312 Stockholders Equity 134

Balance Sheet 204 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Series B preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Series B preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Series B preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Series B preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Series B preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	157,756.00	shares	Point-in-time
Series B preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	157,756.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.74M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.74M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$26.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$26.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.37M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.37M	USD	Point-in-time
Series B preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	157,776.00	shares	Point-in-time
Series B preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	157,776.00	shares	Point-in-time
Series B preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	157,776.00	shares	Point-in-time
Series B preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	157,776.00	shares	Point-in-time
Series B preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	157,756.00	shares	Point-in-time
Series B preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	157,756.00	shares	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$19.43M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$19.43M	USD	Point-in-time
Series B preferred stock, liquidation preference	`PreferredStockLiquidationPreferenceValue`	$7.89M	USD	Point-in-time
Series B preferred stock, liquidation preference	`PreferredStockLiquidationPreferenceValue`	$7.89M	USD	Point-in-time
Series B preferred stock, liquidation preference	`PreferredStockLiquidationPreferenceValue`	$7.89M	USD	Point-in-time
Series B preferred stock, liquidation preference	`PreferredStockLiquidationPreferenceValue`	$7.89M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$31.52M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$31.52M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$45.10M	USD	Point-in-time
Trade	`AccountsReceivableNetCurrent`	$45.10M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Other, net	`OtherReceivables`	$17.54M	USD	Point-in-time
Other, net	`OtherReceivables`	$17.54M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.25	USD	Point-in-time
Other, net	`OtherReceivables`	$13.69M	USD	Point-in-time
Other, net	`OtherReceivables`	$13.69M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	750.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	750.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	750.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	750.00M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssuedLessTreasuryShares`	624.65M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssuedLessTreasuryShares`	624.65M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssuedLessTreasuryShares`	640.55M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssuedLessTreasuryShares`	640.55M	shares	Point-in-time
Product inventories	`InventoryNet`	$34.96M	USD	Point-in-time
Product inventories	`InventoryNet`	$34.96M	USD	Point-in-time
Product inventories	`InventoryNet`	$28.82M	USD	Point-in-time
Product inventories	`InventoryNet`	$28.82M	USD	Point-in-time
Treasury stock common Share	`TreasuryStockCommonShares`	8.81M	shares	Point-in-time
Treasury stock common Share	`TreasuryStockCommonShares`	8.81M	shares	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$69.97M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$69.97M	USD	Point-in-time
Treasury stock common Share	`TreasuryStockCommonShares`	8.54M	shares	Point-in-time
Treasury stock common Share	`TreasuryStockCommonShares`	8.54M	shares	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$64.82M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$64.82M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$33.30M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$33.30M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$27.12M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$27.12M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$260.26M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$260.26M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$214.15M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$214.15M	USD	Point-in-time
Investments	`EquitySecuritiesFVNINoncurrent`	$33.72M	USD	Point-in-time
Investments	`EquitySecuritiesFVNINoncurrent`	$33.72M	USD	Point-in-time
Investments	`EquitySecuritiesFVNINoncurrent`	$33.90M	USD	Point-in-time
Investments	`EquitySecuritiesFVNINoncurrent`	$33.90M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.17M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.17M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.16M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.16M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.18M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.18M	USD	Point-in-time
Properties, plants, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$2.69B	USD	Point-in-time
Properties, plants, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$2.69B	USD	Point-in-time
Properties, plants, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$2.67B	USD	Point-in-time
Properties, plants, equipment and mine development, net	`PropertyPlantAndEquipmentNet`	$2.67B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.35M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$8.35M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$7.54M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$7.54M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	-	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	-	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$2.88M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$2.88M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$30.17M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$30.17M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$38.47M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$38.47M	USD	Point-in-time
Total assets	`Assets`	$2.98B	USD	Point-in-time
Total assets	`Assets`	$2.98B	USD	Point-in-time
Total assets	`Assets`	$3.01B	USD	Point-in-time
Total assets	`Assets`	$3.01B	USD	Point-in-time
Total assets	`Assets`	$2.93B	USD	Point-in-time
Total assets	`Assets`	$2.93B	USD	Point-in-time
Accounts payable and accrued liabilities	`AccountsPayableAndAccruedLiabilitiesCurrent`	$81.60M	USD	Point-in-time
Accounts payable and accrued liabilities	`AccountsPayableAndAccruedLiabilitiesCurrent`	$81.60M	USD	Point-in-time
Accounts payable and accrued liabilities	`AccountsPayableAndAccruedLiabilitiesCurrent`	$88.96M	USD	Point-in-time
Accounts payable and accrued liabilities	`AccountsPayableAndAccruedLiabilitiesCurrent`	$88.96M	USD	Point-in-time
Accrued payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$22.83M	USD	Point-in-time
Accrued payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$22.83M	USD	Point-in-time
Accrued payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$28.24M	USD	Point-in-time
Accrued payroll and related benefits	`EmployeeRelatedLiabilitiesCurrent`	$28.24M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$3.50M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$3.50M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$6.31M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$6.31M	USD	Point-in-time
Current debt	`DebtCurrent`	-	USD	Point-in-time
Current debt	`DebtCurrent`	-	USD	Point-in-time
Current debt	`DebtCurrent`	$33.62M	USD	Point-in-time
Current debt	`DebtCurrent`	$33.62M	USD	Point-in-time
Finance leases	`FinanceAndOperatingLeaseLiabilityCurrent`	$9.75M	USD	Point-in-time
Finance leases	`FinanceAndOperatingLeaseLiabilityCurrent`	$9.75M	USD	Point-in-time
Finance leases	`FinanceAndOperatingLeaseLiabilityCurrent`	$8.17M	USD	Point-in-time
Finance leases	`FinanceAndOperatingLeaseLiabilityCurrent`	$8.17M	USD	Point-in-time
Accrued reclamation and closure costs	`AccruedReclamationCostsCurrent`	$9.66M	USD	Point-in-time
Accrued reclamation and closure costs	`AccruedReclamationCostsCurrent`	$9.66M	USD	Point-in-time
Accrued reclamation and closure costs	`AccruedReclamationCostsCurrent`	$13.75M	USD	Point-in-time
Accrued reclamation and closure costs	`AccruedReclamationCostsCurrent`	$13.75M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$14.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$14.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$14.32M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$14.32M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$1.14M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$1.14M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$8.15M	USD	Point-in-time
Derivative liabilities	`DerivativeLiabilitiesCurrent`	$8.15M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.73M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.73M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$9.16M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$9.16M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$197.84M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$197.84M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$157.46M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$157.46M	USD	Point-in-time
Accrued reclamation and closure costs	`MineReclamationAndClosingLiabilityNoncurrent`	$111.16M	USD	Point-in-time
Accrued reclamation and closure costs	`MineReclamationAndClosingLiabilityNoncurrent`	$111.16M	USD	Point-in-time
Accrued reclamation and closure costs	`MineReclamationAndClosingLiabilityNoncurrent`	$110.80M	USD	Point-in-time
Accrued reclamation and closure costs	`MineReclamationAndClosingLiabilityNoncurrent`	$110.80M	USD	Point-in-time
Long-term debt including finance leases	`LongTermNotesPayable`	$653.06M	USD	Point-in-time
Long-term debt including finance leases	`LongTermNotesPayable`	$653.06M	USD	Point-in-time
Long-term debt including finance leases	`LongTermNotesPayable`	$508.93M	USD	Point-in-time
Long-term debt including finance leases	`LongTermNotesPayable`	$508.93M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilitiesNet`	$104.83M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilitiesNet`	$104.83M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilitiesNet`	$110.27M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilitiesNet`	$110.27M	USD	Point-in-time
Derivatives liabilities	`DerivativeLiabilitiesNoncurrent`	$2.02M	USD	Point-in-time
Derivatives liabilities	`DerivativeLiabilitiesNoncurrent`	$2.02M	USD	Point-in-time
Derivatives liabilities	`DerivativeLiabilitiesNoncurrent`	$364.00K	USD	Point-in-time
Derivatives liabilities	`DerivativeLiabilitiesNoncurrent`	$364.00K	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$16.48M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$16.48M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$11.33M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$11.33M	USD	Point-in-time
Total liabilities	`Liabilities`	$941.55M	USD	Point-in-time
Total liabilities	`Liabilities`	$941.55M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.04B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.04B	USD	Point-in-time
Commitments and contingencies (Notes 5, 6, 9, 10, 14, 15, and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 5, 6, 9, 10, 14, 15, and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 5, 6, 9, 10, 14, 15, and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 5, 6, 9, 10, 14, 15, and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized: Series B preferred stock, $0.25 par value, 2024 and 2023 - 157,756 shares issued and outstanding, liquidation preference - $7,889	`PreferredStockValue`	$39.00K	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized: Series B preferred stock, $0.25 par value, 2024 and 2023 - 157,756 shares issued and outstanding, liquidation preference - $7,889	`PreferredStockValue`	$39.00K	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized: Series B preferred stock, $0.25 par value, 2024 and 2023 - 157,756 shares issued and outstanding, liquidation preference - $7,889	`PreferredStockValue`	$39.00K	USD	Point-in-time
Preferred stock, 5,000,000 shares authorized: Series B preferred stock, $0.25 par value, 2024 and 2023 - 157,756 shares issued and outstanding, liquidation preference - $7,889	`PreferredStockValue`	$39.00K	USD	Point-in-time
Common stock, $0.25 par value, authorized 750,000,000 shares; issued 2024 - 640,547,918 shares and 2023 - 624,647,379 shares	`CommonStockValue`	$156.08M	USD	Point-in-time
Common stock, $0.25 par value, authorized 750,000,000 shares; issued 2024 - 640,547,918 shares and 2023 - 624,647,379 shares	`CommonStockValue`	$156.08M	USD	Point-in-time
Common stock, $0.25 par value, authorized 750,000,000 shares; issued 2024 - 640,547,918 shares and 2023 - 624,647,379 shares	`CommonStockValue`	$160.05M	USD	Point-in-time
Common stock, $0.25 par value, authorized 750,000,000 shares; issued 2024 - 640,547,918 shares and 2023 - 624,647,379 shares	`CommonStockValue`	$160.05M	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapital`	$2.34B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapital`	$2.34B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapital`	$2.42B	USD	Point-in-time
Capital surplus	`AdditionalPaidInCapital`	$2.42B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-503.86M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-503.86M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-493.53M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-493.53M	USD	Point-in-time
Accumulated other comprehensive (loss) income, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.27M	USD	Point-in-time
Accumulated other comprehensive (loss) income, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.27M	USD	Point-in-time
Accumulated other comprehensive (loss) income, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$5.84M	USD	Point-in-time
Accumulated other comprehensive (loss) income, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$5.84M	USD	Point-in-time
Less treasury stock, at cost; 2024 - 8,813,127 and 2023 - 8,535,161 shares issued and held in treasury	`TreasuryStockValue`	$34.93M	USD	Point-in-time
Less treasury stock, at cost; 2024 - 8,813,127 and 2023 - 8,535,161 shares issued and held in treasury	`TreasuryStockValue`	$34.93M	USD	Point-in-time
Less treasury stock, at cost; 2024 - 8,813,127 and 2023 - 8,535,161 shares issued and held in treasury	`TreasuryStockValue`	$33.73M	USD	Point-in-time
Less treasury stock, at cost; 2024 - 8,813,127 and 2023 - 8,535,161 shares issued and held in treasury	`TreasuryStockValue`	$33.73M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.98B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.98B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.76B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.76B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.97B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$1.97B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$2.04B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$2.04B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$3.01B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$3.01B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.98B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$2.98B	USD	Point-in-time

Income Statement 192 line items

Line Item	Tag	Value	Unit	Period
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$720.23M	USD	Annual
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$720.23M	USD	Annual
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$929.92M	USD	Annual
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$929.92M	USD	Annual
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$718.90M	USD	Annual
Sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$718.90M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$548.25M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$548.25M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$458.50M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$458.50M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$458.81M	USD	Annual
Cost of sales and other direct production costs	`CostOfGoodsSoldBeforeDepreciationDepletionAndAmortization`	$458.81M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$148.77M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$148.77M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$143.94M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$143.94M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$183.47M	USD	Annual
Depreciation, depletion and amortization	`CostDepreciationAmortizationAndDepletion`	$183.47M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$607.28M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$607.28M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$602.75M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$602.75M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$731.72M	USD	Annual
Total cost of sales	`CostOfGoodsAndServicesSold`	$731.72M	USD	Annual
Gross profit	`GrossProfit`	$116.16M	USD	Annual
Gross profit	`GrossProfit`	$116.16M	USD	Annual
Gross profit	`GrossProfit`	$198.21M	USD	Annual
Gross profit	`GrossProfit`	$198.21M	USD	Annual
Gross profit	`GrossProfit`	$112.95M	USD	Annual
Gross profit	`GrossProfit`	$112.95M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$42.72M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$42.72M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$43.38M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$43.38M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$45.41M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$45.41M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$46.04M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$46.04M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$32.51M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$32.51M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$27.32M	USD	Annual
Exploration and pre-development	`ExplorationAndPredevelopmentExpense`	$27.32M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$43.31M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$43.31M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$76.25M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$76.25M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$24.11M	USD	Annual
Ramp-up and suspension costs	`EmployeeLaborStrikeRelatedCosts`	$24.11M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$7.58M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$7.58M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$8.79M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$8.79M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$6.84M	USD	Annual
Provision for closed operations and environmental matters	`EnvironmentalRemediationExpense`	$6.84M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	$14.57M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	$14.57M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$1.44M	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$1.44M	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$45.52M	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$45.52M	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$-6.26M	USD	Annual
Other operating (income) expense, net	`OtherOperatingIncomeExpenseNet`	$-6.26M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$157.62M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$157.62M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$128.59M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$128.59M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$91.93M	USD	Annual
Total other operating expenses	`OperatingExpenses`	$91.93M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$-44.67M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$-44.67M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$-12.44M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$-12.44M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$106.28M	USD	Annual
Income (loss) from operations	`OperatingIncomeLoss`	$106.28M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$2.92M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$2.92M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$-4.72M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$-4.72M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$-2.20M	USD	Annual
Fair value adjustments, net	`NonoperatingGainsLosses`	$-2.20M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$7.55M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$7.55M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$-3.81M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$-3.81M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$7.21M	USD	Annual
Foreign exchange gain (loss), net	`ForeignCurrencyTransactionGainLossRealized`	$7.21M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$5.88M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$5.88M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$4.43M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$4.43M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$7.83M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$7.83M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$49.83M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$49.83M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$43.32M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$43.32M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$42.79M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$42.79M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-38.32M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-38.32M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-40.06M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-40.06M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-32.48M	USD	Annual
Total other expense:	`NonoperatingIncomeExpense`	$-32.48M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$66.22M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$66.22M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-44.91M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-44.91M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-83.00M	USD	Annual
Income (loss) before income and mining taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-83.00M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$-7.57M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$-7.57M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$1.22M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$1.22M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$30.41M	USD	Annual
Income and mining tax (provision) benefit	`IncomeTaxExpenseBenefit`	$30.41M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Preferred stock dividends	`DividendsPreferredStock`	$552.00K	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-37.90M	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-37.90M	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-84.77M	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-84.77M	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$35.25M	USD	Annual
Net income (loss) applicable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$35.25M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.16M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.16M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-8.39M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-8.39M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$17.07M	USD	Annual
Unrealized (loss) gain and amortization of prior service on pension plans	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$17.07M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-7.71M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-7.71M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$4.55M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$4.55M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$13.84M	USD	Annual
Unrealized (loss) gain on derivative contracts designated as hedge transactions	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$13.84M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.90M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.90M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$3.39M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$3.39M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-16.10M	USD	Annual
Total change in accumulated other comprehensive (loss) income, net	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-16.10M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$19.70M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$19.70M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-6.44M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-6.44M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-80.83M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-80.83M	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$-0.07	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$-0.07	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$-0.14	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$-0.14	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$0.06	USD	Annual
Basic income (loss) common share after preferred dividends	`EarningsPerShareBasic`	$0.06	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$-0.14	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$-0.14	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$0.06	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$0.06	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$-0.07	USD	Annual
Diluted income (loss) per common share after preferred dividends	`EarningsPerShareDiluted`	$-0.07	USD	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	620.85M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	620.85M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	605.67M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	605.67M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	557.34M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	557.34M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	622.53M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	622.53M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	557.34M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	557.34M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	605.67M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	605.67M	shares	Annual

Cash Flow Statement 312 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$35.80M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-84.22M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-37.35M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$145.15M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$145.15M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$190.47M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$190.47M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$163.67M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$163.67M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$-24.18M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$-24.18M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$2.92M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$2.92M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$-2.20M	USD	Annual
Fair value adjustments, net	`FairValueAdjustmentsNet`	$-2.20M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$2.65M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$2.65M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$11.71M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$11.71M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$20.82M	USD	Annual
Inventory adjustments	`InventoryWriteDown`	$20.82M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.66M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.66M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.37M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.37M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.57M	USD	Annual
Provision for reclamation and closure costs	`EnvironmentalExpenseAndLiabilities`	$9.57M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$25.55M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$25.55M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$6.12M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$6.12M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-19.69M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-19.69M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$6.60M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$6.60M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$8.66M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$8.66M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$6.01M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$6.01M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.81M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.81M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$9.21M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$9.21M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$7.55M	USD	Annual
Foreign exchange (gain) loss	`ForeignCurrencyTransactionGainLossBeforeTax`	$7.55M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	$14.57M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	$14.57M	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Writedown of property, plant and equipment	`WritedownOfPlantAndEquipment`	-	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-3.09M	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-3.09M	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-1.71M	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-1.71M	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-3.74M	USD	Annual
Other non-cash items	`OtherNoncashIncomeExpense`	$-3.74M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-25.13M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-25.13M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-8.67M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-8.67M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$17.16M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$17.16M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$24.04M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$24.04M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$18.23M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$18.23M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$32.84M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$32.84M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$12.39M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$12.39M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$12.52M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$12.52M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$32.46M	USD	Annual
Other current and non-current assets	`IncreaseDecreaseInOtherOperatingAssets`	$32.46M	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-2.83M	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-2.83M	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$598.00K	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$598.00K	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-24.98M	USD	Annual
Accounts payable, accrued and other current liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-24.98M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$6.74M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$6.74M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$-4.98M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$-4.98M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$13.73M	USD	Annual
Accrued payroll and related benefits	`IncreaseDecreaseInAccruedSalaries`	$13.73M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-7.93M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-7.93M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-571.00K	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-571.00K	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$2.82M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$2.82M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$-11.82M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$-11.82M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$2.58M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$2.58M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$12.57M	USD	Annual
Accrued reclamation and closure costs and other non-current liabilities	`IncreaseDecreaseInAccruedReclamationAndClosureCostsAndOtherNonCurrentLiabilities`	$12.57M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$75.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$75.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$218.28M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$218.28M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$89.89M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$89.89M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$214.49M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$214.49M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$223.89M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$223.89M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$149.38M	USD	Annual
Additions to property, plant and equipment and mine development	`PaymentsToAcquirePropertyPlantAndEquipment`	$149.38M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$1.69M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$1.69M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$1.33M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$1.33M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$748.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$748.00K	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	-	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	-	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	-	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	-	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	$25.00M	USD	Annual
Pre-acquisition advance to Alexco	`PaymentsForPreAcquisitionAdvanceToAlexco`	$25.00M	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-228.00K	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-228.00K	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-8.95M	USD	Annual
Acquisition, net	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-8.95M	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	-	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	-	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	$9.38M	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	$9.38M	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	-	USD	Annual
Proceeds from sale or exchange of investments	`ProceedsFromSaleOfInvestments`	-	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$73.00K	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$73.00K	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$31.97M	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$31.97M	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$8.96M	USD	Annual
Purchases of investments	`PaymentsToAcquireInvestments`	$8.96M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-212.87M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-212.87M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-187.27M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-187.27M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-231.29M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-231.29M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$56.68M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$56.68M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$17.28M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$17.28M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$58.37M	USD	Annual
Proceeds from issuance of common stock, net of offering costs	`ProceedsFromIssuanceOfCommonStock`	$58.37M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$25.33M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$25.33M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$15.71M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$15.71M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$12.93M	USD	Annual
Dividends paid to common and preferred stockholders	`PaymentsOfDividends`	$12.93M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$2.04M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$2.04M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$3.68M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$3.68M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$1.20M	USD	Annual
Acquisition of treasury shares from employee equity awards	`PaymentsForRepurchaseOfCommonStock`	$1.20M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$239.00M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$239.00M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$25.00M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$25.00M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$279.00M	USD	Annual
Borrowings of debt	`ProceedsFromIssuanceOfLongTermDebt`	$279.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$111.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$111.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$25.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$25.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$384.00M	USD	Annual
Repayments of debt	`RepaymentsOfDebt`	$384.00M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$10.61M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$10.61M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$8.17M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$8.17M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$10.66M	USD	Annual
Repayments of finance leases and other	`FinanceLeasePrincipalPayments`	$10.66M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-7.50M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-7.50M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-83.82M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-83.82M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$156.33M	USD	Annual
Net cash (used in) provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$156.33M	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-273.00K	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-273.00K	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$1.09M	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$1.09M	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-1.08M	USD	Annual
Effect of exchange rates on cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-1.08M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.63M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.63M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-105.16M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-105.16M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-79.49M	USD	Annual
Net (decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-79.49M	USD	Annual
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$26.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$26.87M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.37M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.37M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.74M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.74M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.16M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.16M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.17M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.17M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.18M	USD	Point-in-time
Non current restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.18M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$105.91M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$28.05M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$107.54M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Total cash and cash equivalents and restricted cash and cash equivalenst as reported on the consolidated cash flow statement	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$211.06M	USD	Point-in-time
Interest	`InterestPaidNet`	$37.74M	USD	Annual
Interest	`InterestPaidNet`	$37.74M	USD	Annual
Interest	`InterestPaidNet`	$46.06M	USD	Annual
Interest	`InterestPaidNet`	$46.06M	USD	Annual
Interest	`InterestPaidNet`	$37.20M	USD	Annual
Interest	`InterestPaidNet`	$37.20M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$14.40M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$14.40M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$6.57M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$6.57M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$8.91M	USD	Annual
Income and mining taxes, net of refunds	`IncomeTaxesPaidNet`	$8.91M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$11.89M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$11.89M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$16.12M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$16.12M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$5.61M	USD	Annual
Addition of finance lease obligations and right-of-use assets	`CapitalLeaseObligationsIncurred`	$5.61M	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	-	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	-	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$6.84M	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$6.84M	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$203.00K	USD	Annual
Recognition of operating lease liabilities and right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$203.00K	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	-	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	-	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	-	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	-	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	$1.98M	USD	Annual
Properties, plants, equipment and mine development additions in accounts payable and accrued liabilities	`PropertiesPlantsEquipmentAndMineDevelopmentAdditionsInAccountsPayableAndAccruedLiabilities`	$1.98M	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	$9.74M	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	$9.74M	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	-	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	-	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	$1.03M	USD	Annual
Common stock contributed to pension plans	`CommonStockContributedToPensionPlans`	$1.03M	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	-	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	-	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	-	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	-	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	$6.59M	USD	Annual
Common Stock Issued as Incentive Compensation	`CommonStockIssuedAsIncentiveCompensation`	$6.59M	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$796.00K	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$796.00K	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$417.00K	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$417.00K	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$676.00K	USD	Annual
Common stock issued to directors	`CommonStockIssuedToDirectors`	$676.00K	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	-	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	-	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	$283.00K	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	$283.00K	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	-	USD	Annual
Common stock issued to interim CEO	`CommonStockIssuedToInterimCeo`	-	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.61M	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.61M	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.47M	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.47M	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.76M	USD	Annual
Common stock issued for 401(k) match	`CommonStockIssuedFor401KMatch`	$4.76M	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	$372.00K	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	$372.00K	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Common stock issued for warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	$135.00M	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	$135.00M	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	-	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	-	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	-	USD	Annual
Common stock issued to settle acquired silver stream	`CommonStockIssuedToSettleAcquiredSilverStream`	-	USD	Annual

Stockholders Equity 134 line items

Line Item	Tag	Value	Unit	Period
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	125,063.00	shares	Annual
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	125,063.00	shares	Annual
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	150,387.00	shares	Annual
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	150,387.00	shares	Annual
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	68,816.00	shares	Annual
Common stock issued to directors	`StockIssuedDuringPeriodSharesDirectors`	68,816.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	940,392.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	940,392.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	978,964.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	978,964.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	898,894.00	shares	Annual
Common stock issued for 401(k) match, shares (in shares)	`StockIssuedDuringPeriodShares401kMatch`	898,894.00	shares	Annual
Incentive Compensation Units Shares	`IncentiveCompensationUnitsShares`	3.93M	shares	Annual
Incentive Compensation Units Shares	`IncentiveCompensationUnitsShares`	3.93M	shares	Annual
Stock-based compensation units distributed (in shares)	`StockBasedCompensationUnitsDistributedInShare`	2.19M	shares	Annual
Stock-based compensation units distributed (in shares)	`StockBasedCompensationUnitsDistributedInShare`	2.19M	shares	Annual
Incentive Compensation Distributed (in Share)	`IncentiveCompensationDistributedShare`	1.43M	shares	Annual
Incentive Compensation Distributed (in Share)	`IncentiveCompensationDistributedShare`	1.43M	shares	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Common Stock, Dividends, Per Share, Cash Paid	`CommonStockDividendsPerShareCashPaid`	$0.04	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$3.50	USD	Annual
Common Stock Issued for Warrant Exercises	`CommonStockIssuedForWarrantExercises`	1.49M	shares	Annual
Common Stock Issued for Warrant Exercises	`CommonStockIssuedForWarrantExercises`	1.49M	shares	Annual
Balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.76B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.76B	USD	Point-in-time
Common stock issued to Alexco Resource Corp. shareholders ( in shares)	`CommonStockIssuedToAlexcoResourceCorpShareholdersInShares`	17.99M	shares	Annual
Common stock issued to Alexco Resource Corp. shareholders ( in shares)	`CommonStockIssuedToAlexcoResourceCorpShareholdersInShares`	17.99M	shares	Annual
Balance	`StockholdersEquity`	$1.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$2.04B	USD	Point-in-time
Balance	`StockholdersEquity`	$2.04B	USD	Point-in-time
Common stock issued to settle the acquired silver stream (in shares)	`CommonStockIssuedToSettleTheAcquiredSilverStreamInShares`	34.80M	shares	Annual
Common stock issued to settle the acquired silver stream (in shares)	`CommonStockIssuedToSettleTheAcquiredSilverStreamInShares`	34.80M	shares	Annual
Net loss	`NetIncomeLoss`	$35.80M	USD	Annual
Net loss	`NetIncomeLoss`	$35.80M	USD	Annual
Net loss	`NetIncomeLoss`	$-84.22M	USD	Annual
Net loss	`NetIncomeLoss`	$-84.22M	USD	Annual
Net loss	`NetIncomeLoss`	$-37.35M	USD	Annual
Net loss	`NetIncomeLoss`	$-37.35M	USD	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$796.00K	USD	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$796.00K	USD	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	3.86M	shares	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	3.86M	shares	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	10.65M	shares	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	10.65M	shares	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	9.34M	shares	Annual
Common stock issued under ATM program , shares	`CommonStockIssuedUnderAtmProgramShares`	9.34M	shares	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$417.00K	USD	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$417.00K	USD	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$676.00K	USD	Annual
Common Stock issued to directors (68,816 shares)	`StockIssuedDuringPeriodValueDirectors`	$676.00K	USD	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.47M	USD	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.47M	USD	Annual
Stock Issued During Period Shares Compensation To Interim CEO	`StockIssuedDuringPeriodSharesCompensationToInterimCeo`	48,489.00	shares	Annual
Stock Issued During Period Shares Compensation To Interim CEO	`StockIssuedDuringPeriodSharesCompensationToInterimCeo`	48,489.00	shares	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.61M	USD	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.61M	USD	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.76M	USD	Annual
Common stock issued for 401(k) match (978,964 shares)	`StockIssuedDuringPeriodValue401kMatch`	$4.76M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.59M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.59M	USD	Annual
Stock Issued During Period, Shares, Employee Benefit Plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	249,500.00	shares	Annual
Stock Issued During Period, Shares, Employee Benefit Plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	249,500.00	shares	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.92M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.92M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.58M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.58M	USD	Annual
Stock Issued During Period, Shares, Employee Benefit Plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	2.19M	shares	Annual
Stock Issued During Period, Shares, Employee Benefit Plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	2.19M	shares	Annual
Stock Based Compensation Units Distributed	`StockBasedCompensationUnitsDistributed`	$-3.68M	USD	Annual
Stock Based Compensation Units Distributed	`StockBasedCompensationUnitsDistributed`	$-3.68M	USD	Annual
Number of series B preffered stock coverted	`ConversionOfStockSharesConverted1`	40.00	shares	Annual
Number of series B preffered stock coverted	`ConversionOfStockSharesConverted1`	40.00	shares	Annual
Number of series B preffered stock coverted	`ConversionOfStockSharesConverted1`	20.00	shares	Annual
Number of series B preffered stock coverted	`ConversionOfStockSharesConverted1`	20.00	shares	Annual
Common stock issued upon conversion of series B preffered stock	`ConversionOfStockSharesIssued1`	128.00	shares	Annual
Common stock issued upon conversion of series B preffered stock	`ConversionOfStockSharesIssued1`	128.00	shares	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$15.71M	USD	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$15.71M	USD	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$25.47M	USD	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$25.47M	USD	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$12.93M	USD	Annual
Common stock and Series B Preferred stock dividends declared	`Dividends`	$12.93M	USD	Annual
Common stock issued upon conversion of series B preffered stock	`ConversionOfStockSharesIssued1`	64.00	shares	Annual
Common stock issued upon conversion of series B preffered stock	`ConversionOfStockSharesIssued1`	64.00	shares	Annual
Common stock issued to pension plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$9.74M	USD	Annual
Common stock issued to pension plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$9.74M	USD	Annual
Common stock issued to pension plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$1.03M	USD	Annual
Common stock issued to pension plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$1.03M	USD	Annual
Common stock issued to ATAC Resources Ltd. Shares	`StockIssuedDuringPeriodSharesIssuedForServices`	3.68M	shares	Annual
Common stock issued to ATAC Resources Ltd. Shares	`StockIssuedDuringPeriodSharesIssuedForServices`	3.68M	shares	Annual
Common stock issued to Alexco Resource Corp. stockholders	`CommonStockIssuedToAlexcoResourceCorpShareholders`	$68.73M	USD	Annual
Common stock issued to Alexco Resource Corp. stockholders	`CommonStockIssuedToAlexcoResourceCorpShareholders`	$68.73M	USD	Annual
Common stock issued to settle the acquired silver stream	`CommonStockIssuedToSettleTheAcquiredSilverStream`	$135.00M	USD	Annual
Common stock issued to settle the acquired silver stream	`CommonStockIssuedToSettleTheAcquiredSilverStream`	$135.00M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$58.37M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$58.37M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$17.28M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$17.28M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$56.68M	USD	Annual
Common stock issued under ATM program	`CommonStockIssuedUnderAtmProgram`	$56.68M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.90M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.90M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$3.39M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$3.39M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-16.10M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-16.10M	USD	Annual
Stock Issued During Period Value Compensation To Interim CEO	`StockIssuedDuringPeriodValueCompensationToInterimCeo`	$283.00K	USD	Annual
Stock Issued During Period Value Compensation To Interim CEO	`StockIssuedDuringPeriodValueCompensationToInterimCeo`	$283.00K	USD	Annual
Common stock issued to ATAC Resources Ltd.	`StockIssuedDuringPeriodValueIssuedForServices`	$18.79M	USD	Annual
Common stock issued to ATAC Resources Ltd.	`StockIssuedDuringPeriodValueIssuedForServices`	$18.79M	USD	Annual
Incentive Compensation Distributed	`IncentiveCompensationDistributed`	$5.39M	USD	Annual
Incentive Compensation Distributed	`IncentiveCompensationDistributed`	$5.39M	USD	Annual
Incentive Compensation Distributed	`IncentiveCompensationDistributed`	$-2.04M	USD	Annual
Incentive Compensation Distributed	`IncentiveCompensationDistributed`	$-2.04M	USD	Annual
Balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.76B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.76B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$1.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$2.04B	USD	Point-in-time
Balance	`StockholdersEquity`	$2.04B	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.