10-K Filing

STERLING INFRASTRUCTURE, INC. CIK: 874238 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0001171843-16-008548`
Period End Date	20151231
Filing Date	20160314
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	strl-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 77 Income Statement 71 Cash Flow Statement 117 Stockholders Equity 28 Comprehensive Income 26

Balance Sheet 77 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`Cash`	$4.43M	USD	Point-in-time
Cash and cash equivalents	`Cash`	$22.84M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Contracts receivable, including retainage	`ReceivablesLongTermContractsOrPrograms`	$82.11M	USD	Point-in-time
Contracts receivable, including retainage	`ReceivablesLongTermContractsOrPrograms`	$78.90M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$33.40M	USD	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$26.91M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	28.00M	shares	Point-in-time
Inventories	`InventoryNet`	$2.54M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	28.00M	shares	Point-in-time
Inventories	`InventoryNet`	$7.40M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	19.75M	shares	Point-in-time
Receivables from and equity in construction joint ventures	`ReceivablesFromAndEquityInConstructionJointVenture`	$9.15M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	18.80M	shares	Point-in-time
Receivables from and equity in construction joint ventures	`ReceivablesFromAndEquityInConstructionJointVenture`	$12.93M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$5.28M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$6.01M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$134.92M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$156.97M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$73.47M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$87.10M	USD	Point-in-time
Goodwill	`Goodwill`	$54.82M	USD	Point-in-time
Goodwill	`Goodwill`	$54.82M	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$4.07M	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$7.56M	USD	Point-in-time
Total assets	`Assets`	$267.28M	USD	Point-in-time
Total assets	`Assets`	$306.45M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$66.79M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$58.96M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`BillingsInExcessOfCostCurrent`	$30.56M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`BillingsInExcessOfCostCurrent`	$25.65M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$5.19M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$965.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$67.00K	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$1.87M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$5.17M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$5.98M	USD	Point-in-time
Other current liabilities	`AccruedLiabilitiesCurrent`	$4.21M	USD	Point-in-time
Other current liabilities	`AccruedLiabilitiesCurrent`	$3.90M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$104.65M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$104.65M	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$16.11M	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$37.02M	USD	Point-in-time
Members interest subject to mandatory redemption and undistributed earnings	`MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$50.44M	USD	Point-in-time
Members interest subject to mandatory redemption and undistributed earnings	`MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$22.88M	USD	Point-in-time
Other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$753.00K	USD	Point-in-time
Other long-term liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$338.00K	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$60.65M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$66.88M	USD	Point-in-time
Commitments and contingencies (Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 1,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, par value $0.01 per share; 1,000,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, par value $0.01 per share; 28,000,000 shares authorized, 19,753,170 and 18,802,679 shares issued	`CommonStockValue`	$198.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 28,000,000 shares authorized, 19,753,170 and 18,802,679 shares issued	`CommonStockValue`	$188.00K	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$188.15M	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$205.70M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-92.50M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-72.10M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-101.00K	USD	Point-in-time
Total Sterling common stockholders equity	`StockholdersEquity`	$133.69M	USD	Point-in-time
Total Sterling common stockholders equity	`StockholdersEquity`	$95.84M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$7.46M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$-91.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$212.59M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$132.79M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$306.45M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$267.28M	USD	Point-in-time

Income Statement 71 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$177.43M	USD	1 Quarter
Revenues	`Revenues`	$153.61M	USD	1 Quarter
Revenues	`Revenues`	$623.60M	USD	Annual
Revenues	`Revenues`	$117.68M	USD	1 Quarter
Revenues	`Revenues`	$152.49M	USD	1 Quarter
Revenues	`Revenues`	$556.24M	USD	Annual
Revenues	`Revenues`	$194.81M	USD	1 Quarter
Revenues	`Revenues`	$134.54M	USD	1 Quarter
Revenues	`Revenues`	$672.23M	USD	Annual
Revenues	`Revenues`	$189.28M	USD	1 Quarter
Revenues	`Revenues`	$176.00M	USD	1 Quarter
Cost of revenues	`CostOfGoodsSold`	$586.18M	USD	Annual
Cost of revenues	`CostOfGoodsSold`	$594.64M	USD	Annual
Cost of revenues	`CostOfGoodsSold`	$639.81M	USD	Annual
Gross profit (loss)	`GrossProfit`	$12.50M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$14.46M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$9.11M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$-6.84M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$3.70M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$28.95M	USD	Annual
Gross profit (loss)	`GrossProfit`	$-29.94M	USD	Annual
Gross profit (loss)	`GrossProfit`	$8.36M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$32.42M	USD	Annual
Gross profit (loss)	`GrossProfit`	$12.22M	USD	1 Quarter
Gross profit (loss)	`GrossProfit`	$7.87M	USD	1 Quarter
General and administrative expenses	`GeneralAndAdministrativeExpense`	$40.95M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$41.88M	USD	Annual
General and administrative expenses	`GeneralAndAdministrativeExpense`	$36.90M	USD	Annual
Other operating (expense) income, net	`OtherOperatingIncomeExpenseNet`	$1.74M	USD	Annual
Other operating (expense) income, net	`OtherOperatingIncomeExpenseNet`	$252.00K	USD	Annual
Other operating (expense) income, net	`OtherOperatingIncomeExpenseNet`	$-1.46M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-14.39M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-4.22M	USD	Annual
Operating loss	`OperatingIncomeLoss`	$-69.16M	USD	Annual
Gain on sale of securities	`GainLossOnSaleOfOtherInvestments`	$91.00K	USD	Annual
Interest income	`InterestIncomeOther`	$754.00K	USD	Annual
Interest income	`InterestIncomeOther`	$460.00K	USD	Annual
Interest income	`InterestIncomeOther`	$879.00K	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$3.01M	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$1.12M	USD	Annual
Interest expense	`InterestExpenseAndAccretedInterest`	$616.00K	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-240.00K	USD	Annual
Loss before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$-4.59M	USD	Annual
Loss before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$-17.18M	USD	Annual
Loss before income taxes and earnings attributable to noncontrolling interests	`IncomeBeforeIncomeTaxesAndEarningsAttributableToNoncontrollingInterests`	$-68.80M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$1.22M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$632.00K	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$7.00K	USD	Annual
Net loss	`ProfitLoss`	$-5.22M	USD	Annual
Net loss	`ProfitLoss`	$-17.19M	USD	Annual
Net loss	`ProfitLoss`	$-70.03M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$4.56M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$3.90M	USD	Annual
Noncontrolling owners interests in earnings of subsidiaries	`NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsRedeemable`	$3.22M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-20.40M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$256.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-16.99M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-9.78M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-2.54M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-3.94M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$205.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-73.93M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-1.12M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-7.25M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$1.20M	USD	1 Quarter
Basic and diluted (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$-0.54	USD	Annual
Basic and diluted (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$-2.02	USD	Annual
Basic and diluted (in dollars per share)	`EarningsPerShareBasicAndDiluted`	$-4.91	USD	Annual
Basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	18.06M	shares	Annual
Basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	16.64M	shares	Annual
Basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	19.38M	shares	Annual

Cash Flow Statement 117 line items

Line Item	Tag	Value	Unit	Period
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-20.40M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$256.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-16.99M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-9.78M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-2.54M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-3.94M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$205.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-73.93M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-1.12M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-7.25M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$1.20M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.22M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.56M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.90M	USD	Annual
Net loss	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$-17.19M	USD	Annual
Net loss	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$-5.22M	USD	Annual
Net loss	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$-70.03M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$18.35M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$16.53M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$18.65M	USD	Annual
Gain on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.48M	USD	Annual
Gain on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$995.00K	USD	Annual
Gain on disposal of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.84M	USD	Annual
Deferred tax expense	`IncreaseDecreaseInDeferredIncomeTaxes`	$-5.15M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$928.00K	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$1.60M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$849.00K	USD	Annual
Gain on sale of securities	`GainLossOnSaleOfOtherInvestments`	$91.00K	USD	Annual
Tax impact from exercise of stock options and restricted stock	`ExcessTaxExpenseFromShareBasedCompensationOperatingActivities`	$15.00K	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-240.00K	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$6.43M	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$3.22M	USD	Annual
Contracts receivable	`IncreaseDecreaseInContractReceivablesNet`	$1.65M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$21.72M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$-8.91M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInUnbilledReceivables`	$-6.50M	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$3.78M	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$-4.89M	USD	Annual
Receivables from and equity in construction joint ventures	`IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures`	$3.04M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$6.01M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-1.42M	USD	Annual
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-4.78M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$6.72M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-12.99M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-2.48M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$5.19M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$13.79M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-7.83M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$12.66M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$4.91M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$-5.93M	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$4.05M	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-3.15M	USD	Annual
Accrued compensation and other liabilities	`IncreaseDecreaseInAccruedLiabilities`	$-2.50M	USD	Annual
Members interest subject to mandatory redemption and undistributed earnings	`IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$-1.11M	USD	Annual
Members interest subject to mandatory redemption and undistributed earnings	`IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings`	$1.42M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-10.51M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$8.97M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-22.07M	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$13.51M	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$8.09M	USD	Annual
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$14.39M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$6.08M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$8.54M	USD	Annual
Proceeds from sale of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$6.79M	USD	Annual
Purchases of short-term securities, available-for-sale	`PaymentsToAcquireAvailableForSaleSecurities`	$1.64M	USD	Annual
Sales of short-term securities, available-for-sale	`ProceedsFromSaleOfAvailableForSaleSecurities`	$49.87M	USD	Annual
Restricted cash	`IncreaseDecreaseInRestrictedCash`	$4.95M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$40.63M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-4.49M	USD	Annual
Net cash (used in) provided by investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-7.43M	USD	Annual
Cumulative daily drawdowns Credit Facility	`ProceedsFromLinesOfCredit`	$219.03M	USD	Annual
Cumulative daily drawdowns Credit Facility	`ProceedsFromLinesOfCredit`	$126.97M	USD	Annual
Cumulative daily drawdowns Credit Facility	`ProceedsFromLinesOfCredit`	$330.34M	USD	Annual
Cumulative daily repayments Credit Facility	`RepaymentsOfLinesOfCredit`	$235.23M	USD	Annual
Cumulative daily repayments Credit Facility	`RepaymentsOfLinesOfCredit`	$161.57M	USD	Annual
Cumulative daily repayments Credit Facility	`RepaymentsOfLinesOfCredit`	$303.55M	USD	Annual
Cumulative drawdowns equipment-based revolver	`ProceedsFromSecuredLinesOfCredit`	$14.55M	USD	Annual
Cumulative repayments equipment-based revolver	`RepaymentsOfSecuredDebt`	$14.55M	USD	Annual
Cash received from equipment-based term loan	`ProceedsFromIssuanceOfLongTermDebt`	$20.00M	USD	Annual
Repayments under long-term obligations equipment-based term loan and other	`RepaymentsOfLongTermDebt`	$3.22M	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	$3.40M	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	$1.19M	USD	Annual
Distributions to noncontrolling interest owners	`PaymentsToMinorityShareholders`	$3.56M	USD	Annual
Net proceeds from stock issued	`ProceedsFromIssuanceOfCommonStock`	$14.05M	USD	Annual
Issuance of common stock pursuant to warrants and options exercised	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$26.00K	USD	Annual
Issuance of common stock pursuant to warrants and options exercised	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$12.00K	USD	Annual
Tax impact from exercise of stock options	`ExcessTaxExpenseFromShareBasedCompensationFinancingActivities`	$15.00K	USD	Annual
Deferred loan costs	`PaymentsOfLoanCosts`	$1.31M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-73.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-369.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-745.00K	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$38.91M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-22.90M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-19.83M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.27M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$20.97M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-18.42M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$1.87M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$3.14M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$22.84M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$4.43M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$1.87M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$3.14M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$22.84M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$4.43M	USD	Point-in-time
Cash paid during the period for interest	`InterestPaid`	$595.00K	USD	Annual
Cash paid during the period for interest	`InterestPaid`	$1.07M	USD	Annual
Cash paid during the period for interest	`InterestPaid`	$2.89M	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$1.00K	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$547.00K	USD	Annual
Cash paid during the period for income taxes	`IncomeTaxesPaid`	$170.00K	USD	Annual
Revaluation of noncontrolling interests	`IncreaseDecreaseInRevaluationOfNoncontrollingInterestRlwPutcallLiabilityNetOfTax`	$-26.14M	USD	Annual
Revaluation of noncontrolling interests	`IncreaseDecreaseInRevaluationOfNoncontrollingInterestRlwPutcallLiabilityNetOfTax`	$-7.69M	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$510.00K	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$2.66M	USD	Annual
Transportation and construction equipment acquired through financing arrangements	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$3.16M	USD	Annual

Stockholders Equity 28 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$212.59M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$132.79M	USD	Point-in-time
Net (loss) income	`NetIncomeLossIncludingPortionAttributableToNoncontrollingInterest1`	$-5.22M	USD	Annual
Net (loss) income	`NetIncomeLossIncludingPortionAttributableToNoncontrollingInterest1`	$-72.05M	USD	Annual
Net (loss) income	`NetIncomeLossIncludingPortionAttributableToNoncontrollingInterest1`	$-17.19M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-579.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$101.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-218.00K	USD	Annual
Stock issued upon option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$12.00K	USD	Annual
Stock issued upon option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$26.00K	USD	Annual
Tax impact from exercise of stock options	`AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation`	$15.00K	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$928.00K	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$849.00K	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$1.60M	USD	Annual
Adjustments to Additional Paid in Capital, Revaluation of Non-controlling Interest Put/Call Liability	`AdjustmentsToAdditionalPaidInCapitalRevaluationOfNoncontrollingInterestPutCallLiability`	$-7.69M	USD	Annual
Adjustments to Additional Paid in Capital, Revaluation of Non-controlling Interest Put/Call Liability	`AdjustmentsToAdditionalPaidInCapitalRevaluationOfNoncontrollingInterestPutCallLiability`	$-26.14M	USD	Annual
Distributions to noncontrolling interests owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.40M	USD	Annual
Distributions to noncontrolling interests owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$416.00K	USD	Annual
Distributions to noncontrolling interests owners	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$994.00K	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$95.75M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.15M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$212.59M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$132.79M	USD	Point-in-time
Stock issued in equity offering, net of expense	`StockIssuedDuringPeriodValueNewIssues`	$14.05M	USD	Annual
Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-370.00K	USD	Annual
Other	`AdjustmentsToAdditionalPaidInCapitalOther`	$-116.00K	USD	Annual

Comprehensive Income 26 line items

Line Item	Tag	Value	Unit	Period
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-20.40M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$256.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-16.99M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-9.78M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-2.54M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-3.94M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$205.00K	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-73.93M	USD	Annual
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-1.12M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$-7.25M	USD	1 Quarter
Net loss attributable to Sterling common stockholders	`NetIncomeLoss`	$1.20M	USD	1 Quarter
NetIncome Attributable to Non-controlling Interest Included in Equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$3.22M	USD	Annual
NetIncome Attributable to Non-controlling Interest Included in Equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$4.56M	USD	Annual
NetIncome Attributable to Non-controlling Interest Included in Equity	`NetincomeAttributableToNoncontrollingInterestIncludedInequity`	$1.88M	USD	Annual
Net income attributable to noncontrolling interest included in liabilities	`NetIncomeAttributableToNoncontrollingInterestIncludedInliabilities`	$2.02M	USD	Annual
Realized gain from available-for-sale securities	`AvailableForSaleSecuritiesGrossRealizedGainLossNet`	$-90.00K	USD	Annual
Change in unrealized holding loss on available-for-sale securities	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-601.00K	USD	Annual
Realized loss (gain) from settlement of derivatives	`GainLossOnSaleOfDerivatives`	$107.00K	USD	Annual
Realized loss (gain) from settlement of derivatives	`GainLossOnSaleOfDerivatives`	$137.00K	USD	Annual
Realized loss (gain) from settlement of derivatives	`GainLossOnSaleOfDerivatives`	$-48.00K	USD	Annual
Change in the effective portion of unrealized (loss) gain in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$160.00K	USD	Annual
Change in the effective portion of unrealized (loss) gain in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-6.00K	USD	Annual
Change in the effective portion of unrealized (loss) gain in fair market value of derivatives	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-355.00K	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-17.09M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-5.44M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTax`	$-70.61M	USD	Annual

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