$STRL
STERLING INFRASTRUCTURE, INC. Stock $strl

$strl Overview Financials Valuation SEC Filings Company Website

2022 Q1 Form 10-Q Financial Statement

#000087423822000048 Filed on May 03, 2022

Income Statement

Concept	2022 Q1	2021 Q1
Revenue	$410.3M	$315.3M
YoY Change	30.13%	6.28%
Cost Of Revenue	$354.2M	$270.3M
YoY Change	31.04%	3.38%
Gross Profit	$56.14M	$45.03M
YoY Change	24.66%	27.77%
Gross Profit Margin	13.68%	14.28%
Selling, General & Admin	$23.07M	$17.10M
YoY Change	34.92%	-2.84%
% of Gross Profit	41.1%	37.97%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.77M	$8.305M
YoY Change	41.69%	0.24%
% of Gross Profit	20.96%	18.44%
Operating Expenses	$27.62M	$22.30M
YoY Change	23.83%	-1.76%
Operating Profit	$28.27M	$22.76M
YoY Change	24.23%	88.01%
Interest Expense	-$4.577M	-$6.000M
YoY Change	-23.72%	-22.08%
% of Operating Profit	-16.19%	-26.37%
Other Income/Expense, Net
YoY Change
Pretax Income	$26.12M	$16.40M
YoY Change	59.27%	272.73%
Income Tax	$6.597M	$4.760M
% Of Pretax Income	25.26%	29.02%
Net Earnings	$19.52M	$11.67M
YoY Change	67.32%	262.92%
Net Earnings / Revenue	4.76%	3.7%
Basic Earnings Per Share	$0.64	$0.37
Diluted Earnings Per Share	$0.64	$0.37
COMMON SHARES
Basic Shares Outstanding	29.96M shares	28.28M shares
Diluted Shares Outstanding	30.11M shares	28.76M shares

Balance Sheet

Concept	2022 Q1	2021 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$80.40M	$61.40M
YoY Change	30.94%	-16.91%
Cash & Equivalents	$80.40M	$61.40M
Short-Term Investments
Other Short-Term Assets	$21.94M	$15.37M
YoY Change	42.79%	48.68%
Inventory		$90.10M
Prepaid Expenses
Receivables	$314.3M	$170.2M
Other Receivables	$19.29M	$18.20M
Total Short-Term Assets	$435.9M	$355.2M
YoY Change	22.71%	-4.27%
LONG-TERM ASSETS
Property, Plant & Equipment	$249.9M	$151.2M
YoY Change	65.31%	28.33%
Goodwill	$252.4M	$192.0M
YoY Change	31.42%	0.06%
Intangibles	$300.1M	$242.0M
YoY Change	23.98%	-4.52%
Long-Term Investments
YoY Change
Other Assets	$4.488M	$3.310M
YoY Change	35.59%	1824.42%
Total Long-Term Assets	$806.8M	$592.0M
YoY Change	36.29%	-2.2%
TOTAL ASSETS
Total Short-Term Assets	$435.9M	$355.2M
Total Long-Term Assets	$806.8M	$592.0M
Total Assets	$1.243B	$947.2M
YoY Change	31.2%	-2.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$143.4M	$111.1M
YoY Change	29.04%	-9.78%
Accrued Expenses	$35.93M	$29.80M
YoY Change	20.58%	37.96%
Deferred Revenue	$116.2M	$111.2M
YoY Change	4.45%	40.28%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$30.37M	$59.96M
YoY Change	-49.35%	19.42%
Total Short-Term Liabilities	$339.5M	$322.2M
YoY Change	5.36%	12.54%
LONG-TERM LIABILITIES
Long-Term Debt	$417.3M	$279.2M
YoY Change	49.49%	-31.71%
Other Long-Term Liabilities	$4.410M	$10.29M
YoY Change	-57.12%	81.91%
Total Long-Term Liabilities	$421.7M	$289.5M
YoY Change	45.7%	-30.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$339.5M	$322.2M
Total Long-Term Liabilities	$421.7M	$289.5M
Total Liabilities	$865.1M	$671.5M
YoY Change	28.83%	-11.35%
SHAREHOLDERS EQUITY
Retained Earnings	$99.17M	$27.83M
YoY Change	256.37%	-226.96%
Common Stock	$302.0K	$286.0K
YoY Change	5.59%	1.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$0.00
YoY Change		-100.0%
Treasury Stock Shares		0.000 shares
Shareholders Equity	$375.9M	$275.1M
YoY Change
Total Liabilities & Shareholders Equity	$1.243B	$947.2M
YoY Change	31.2%	-2.99%

Cashflow Statement

Concept	2022 Q1	2021 Q1
OPERATING ACTIVITIES
Net Income	$19.52M	$11.67M
YoY Change	67.32%	262.92%
Depreciation, Depletion And Amortization	$11.77M	$8.305M
YoY Change	41.69%	0.24%
Cash From Operating Activities	$19.18M	$38.09M
YoY Change	-49.64%	253.63%
INVESTING ACTIVITIES
Capital Expenditures	$14.97M	$11.21M
YoY Change	33.54%	52.42%
Acquisitions
YoY Change
Other Investing Activities	$406.0K	$200.0K
YoY Change	103.0%	-60.0%
Cash From Investing Activities	-$14.56M	-$11.00M
YoY Change	32.38%	60.79%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$5.928M	$30.54M
YoY Change	-80.59%	501.0%
Cash From Financing Activities	-$5.928M	-$32.50M
YoY Change	-81.76%	-234.07%
NET CHANGE
Cash From Operating Activities	$19.18M	$38.09M
Cash From Investing Activities	-$14.56M	-$11.00M
Cash From Financing Activities	-$5.928M	-$32.50M
Net Change In Cash	-$1.308M	-$5.413M
YoY Change	-75.84%	-119.21%
FREE CASH FLOW
Cash From Operating Activities	$19.18M	$38.09M
Capital Expenditures	$14.97M	$11.21M
Free Cash Flow	$4.214M	$26.88M
YoY Change	-84.32%	686.68%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000874238
CY2022Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2022Q1	dei	Amendment Flag AmendmentFlag	false
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2022Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
CY2022Q1	dei	Document Type DocumentType	10-Q
CY2022Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2022Q1	dei	Document Period End Date DocumentPeriodEndDate	2022-03-31
CY2022Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2022Q1	dei	Entity File Number EntityFileNumber	1-31993
CY2022Q1	dei	Entity Registrant Name EntityRegistrantName	STERLING CONSTRUCTION COMPANY, INC.
CY2022Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-1655321
CY2022Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	1800 Hughes Landing Blvd.
CY2022Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	The Woodlands
CY2022Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2022Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77380
CY2022Q1	dei	City Area Code CityAreaCode	281
CY2022Q1	dei	Local Phone Number LocalPhoneNumber	214-0777
CY2022Q1	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2022Q1	dei	Trading Symbol TradingSymbol	STRL
CY2022Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022Q1	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2022Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2022Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2021Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	68000	USD
CY2022Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	2428000	USD
CY2021Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-337000	USD
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5640000	USD
CY2021Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4142000	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3836000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1835000	USD
CY2022Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	90000	USD
CY2021Q1	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	22000	USD
CY2022Q1	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	19393000	USD
CY2021Q1	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-11233000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	19183000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38090000	USD
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14969000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11209000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	406000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	208000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14563000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11001000	USD
CY2022Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5928000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	30543000	USD
CY2022Q1	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2021Q1	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1959000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5928000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-32502000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1308000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-5413000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	88693000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	72642000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	87385000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	67229000	USD
CY2022Q1	us-gaap	Restricted Cash RestrictedCash	6990000	USD
CY2021Q1	us-gaap	Restricted Cash RestrictedCash	5827000	USD
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	80395000	USD
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	61402000	USD
CY2022Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2457000	USD
CY2021Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3131000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	360227000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	19523000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1563000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	3521000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	192000	USD
CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	7386000	USD
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	377640000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	268729000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	11668000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	895000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	1835000	USD
CY2021Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1959000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	144000	USD
CY2021Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5619000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	275693000	USD
CY2022Q1	us-gaap	Nature Of Operations NatureOfOperations	<div style="margin-bottom:4pt;text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.157%"><tr><td style="width:1.0%"/><td style="width:2.050%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:79.165%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.485%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">1.</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">NATURE OF OPERATIONS</span></td><td colspan="3" style="padding:0 1pt"/></tr></table></div><div style="margin-bottom:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Business Summary</span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Sterling Construction Company, Inc. (“Sterling,” “the Company,” “we,” “our” or “us”), a Delaware corporation, operates through a variety of subsidiaries within three segments specializing in E-Infrastructure, Transportation and Building Solutions in the United States (the “U.S.”), primarily across the Southern, Northeastern, Mid-Atlantic and the Rocky Mountain States, California and Hawaii, as well as other areas with strategic construction opportunities. E-Infrastructure Solutions projects develop advanced, large-scale site development systems and services for data centers, e-commerce distribution centers, warehousing, transportation, energy and more. Transportation Solutions includes infrastructure and rehabilitation projects for highways, roads, bridges, airports, ports, light rail, water, wastewater and storm drainage systems. Building Solutions projects include residential and commercial concrete foundations for single-family and multi-family homes, parking structures, elevated slabs and other concrete work. From strategy to operations, we are committed to sustainability by operating responsibly to safeguard and improve society’s quality of life. Caring for our people and our communities, our customers and our investors – that is The Sterling Way.</span></div>
CY2022Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2022Q1	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Estimates and Judgments—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the accompanying Condensed Consolidated Financial Statements in conformance with GAAP requires management to make estimates and judgments that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Certain accounting estimates of the Company require a higher degree of judgment than others in their application. These include the recognition of revenue and earnings from construction contracts over time, the valuation of long-lived assets, goodwill and purchase accounting estimates. Management continually evaluates all of its estimates and judgments based on available information and experience; however, actual results could differ from these estimates.</span>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2022Q1	strl	Contract With Customer Retainage Asset Current ContractWithCustomerRetainageAssetCurrent	33016000	USD
CY2021Q4	strl	Contract With Customer Retainage Asset Current ContractWithCustomerRetainageAssetCurrent	47308000	USD
CY2022Q1	strl	Contract With Customer Retainage Liability Current ContractWithCustomerRetainageLiabilityCurrent	66361000	USD
CY2021Q4	strl	Contract With Customer Retainage Liability Current ContractWithCustomerRetainageLiabilityCurrent	46882000	USD
CY2022Q1	strl	Contracts Receivable Retainage Percentage Estimated To Be Collected In Next Fiscal Year ContractsReceivableRetainagePercentageEstimatedToBeCollectedInNextFiscalYear	0.64
CY2022Q1	strl	Contract With Customer Liability Revenue Recognized During The Period ContractWithCustomerLiabilityRevenueRecognizedDuringThePeriod	227079000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	155558000	USD
CY2021Q4	strl	Business Acquisition Goodwill Expected Tax Deductible Period BusinessAcquisitionGoodwillExpectedTaxDeductiblePeriod	P15Y
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1526884000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1493115000	USD
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.68
CY2022Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	strl	Consolidated50 Owned Subsidiaries Number Of Entities Consolidated50OwnedSubsidiariesNumberOfEntities	2	entity
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	strl	Members Interest Subject To Mandatory Redemption MembersInterestSubjectToMandatoryRedemption	40000000	USD
CY2022Q1	strl	Number Of Death And Disability Insurance Policies NumberOfDeathAndDisabilityInsurancePolicies	2	insurancePolicy
CY2022Q1	strl	Death And Disability Insurance Policies Per Policy Amount DeathAndDisabilityInsurancePoliciesPerPolicyAmount	20000000	USD
CY2022Q1	strl	Members Interest Subject To Mandatory Redemption MembersInterestSubjectToMandatoryRedemption	40000000	USD
CY2021Q4	strl	Members Interest Subject To Mandatory Redemption MembersInterestSubjectToMandatoryRedemption	40000000	USD
CY2022Q1	strl	Undistributed Earnings Of Domestic Subsidiaries Net UndistributedEarningsOfDomesticSubsidiariesNet	15754000	USD
CY2021Q4	strl	Undistributed Earnings Of Domestic Subsidiaries Net UndistributedEarningsOfDomesticSubsidiariesNet	15115000	USD
CY2022Q1	strl	Members Interest Subject To Mandatory Redemption And Undistributed Earnings MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings	55754000	USD
CY2021Q4	strl	Members Interest Subject To Mandatory Redemption And Undistributed Earnings MembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings	55115000	USD
CY2022Q1	strl	Consolidated50 Owned Subsidiaries Number Of Entities Consolidated50OwnedSubsidiariesNumberOfEntities	2	entity
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	363792000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	347584000	USD
CY2022Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	151189000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	143268000	USD
CY2022Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	212603000	USD
CY2022Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	212603000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	204316000	USD
CY2022Q1	us-gaap	Depreciation Depreciation	8199000	USD
CY2021Q1	us-gaap	Depreciation Depreciation	5439000	USD
CY2022Q1	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P24Y
CY2022Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	335417000	USD
CY2022Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	35362000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	335017000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	31794000	USD
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3568000	USD
CY2021Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2866000	USD
CY2022Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	452522000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	462197000	USD
CY2022Q1	strl	Longterm Debt Current Maturities Gross LongtermDebtCurrentMaturitiesGross	30368000	USD
CY2021Q4	strl	Longterm Debt Current Maturities Gross LongtermDebtCurrentMaturitiesGross	28230000	USD
CY2022Q1	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	4823000	USD
CY2021Q4	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	5379000	USD
CY2022Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	417331000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	428588000	USD
CY2022Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	556000	USD
CY2021Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	660000	USD
CY2020Q2	strl	Consolidated50 Owned Subsidiaries Number Of Entities Consolidated50OwnedSubsidiariesNumberOfEntities	2	entity
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	1285000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-293000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	992000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	126000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-29000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	97000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-741000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	170000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-571000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-1034000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	236000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-798000	USD
CY2021Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	6000	USD
CY2022Q1	us-gaap	Lease Cost LeaseCost	45000	USD
CY2021Q1	us-gaap	Lease Cost LeaseCost	56000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	2026000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-463000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1563000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	1160000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-265000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	895000	USD
CY2022Q1	strl	Lessee Lease Termination Period LesseeLeaseTerminationPeriod	P10Y
CY2022Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	2693000	USD
CY2021Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	1512000	USD
CY2022Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3168000	USD
CY2021Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2124000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	41000	USD
CY2021Q1	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	50000	USD
CY2022Q1	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	4000	USD
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	2991000	USD
CY2021Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1518000	USD
CY2022Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	4000	USD
CY2021Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	6000	USD
CY2022Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	41000	USD
CY2021Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	50000	USD
CY2022Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	15897000	USD
CY2021Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	896000	USD
CY2022Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2021Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	37344000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	24520000	USD
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	10117000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8841000	USD
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	27326000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15831000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	37443000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	24672000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	1479000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	1479000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	953000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	907000	USD
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	526000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	572000	USD
CY2022Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	143000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	148000	USD
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	188000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	224000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	331000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	372000	USD
CY2022Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y7M6D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2022Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y3M18D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y6M
CY2022Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.049
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.050
CY2022Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.043
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.043
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	8786000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	116000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9507000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	154000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7453000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	77000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5713000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3926000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3579000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3978000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	42942000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	347000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5499000	USD
CY2022Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	16000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	37443000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	331000	USD
CY2022Q1	strl	Consolidated Entities Ownership Percentage ConsolidatedEntitiesOwnershipPercentage	0.50
CY2022Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	957000	USD
CY2021Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	618000	USD
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5640000	USD
CY2021Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4142000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6597000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4760000	USD
CY2022Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	USD
CY2021Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	USD
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.253
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	254000	shares
CY2022Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	688000	shares
CY2022Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2296000	USD
CY2021Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1835000	USD
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19252000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10555000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29964000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28279000	shares
CY2022Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	148000	shares
CY2021Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	484000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	30112000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28763000	shares
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2022Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	5703000	USD
CY2021Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	7238000	USD
CY2022Q1	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	16305000	USD
CY2021Q1	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	7921000	USD
CY2022Q1	strl	Increase Decrease In Receivables From And Equity In Construction Joint Ventures IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures	2396000	USD
CY2021Q1	strl	Increase Decrease In Receivables From And Equity In Construction Joint Ventures IncreaseDecreaseInReceivablesFromAndEquityInConstructionJointVentures	1513000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1399000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-246000	USD
CY2022Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2876000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	12799000	USD
CY2022Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-331000	USD
CY2021Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	59000	USD
CY2022Q1	strl	Increase Decrease In Members Interest Subject To Mandatory Redemption And Undistributed Earnings IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings	-1789000	USD
CY2021Q1	strl	Increase Decrease In Members Interest Subject To Mandatory Redemption And Undistributed Earnings IncreaseDecreaseInMembersInterestSubjectToMandatoryRedemptionAndUndistributedEarnings	325000	USD
CY2022Q1	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	19393000	USD
CY2021Q1	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-11233000	USD
CY2022Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2022Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	255000	USD
CY2021Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2022Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	28269000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	22755000	USD

Files In Submission

Name	View Source	Status
0000874238-22-000048-index-headers.html	Edgar Link	pending
0000874238-22-000048-index.html	Edgar Link	pending
0000874238-22-000048.txt	Edgar Link	pending
0000874238-22-000048-xbrl.zip	Edgar Link	pending
a2022033110-qexhibit311.htm	Edgar Link	pending
a2022033110-qexhibit312.htm	Edgar Link	pending
a2022033110-qexhibit321.htm	Edgar Link	pending
a2022033110-qexhibit322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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strl-20220331.htm	Edgar Link	pending
strl-20220331.xsd	Edgar Link	pending
strl-20220331_cal.xml	Edgar Link	unprocessable
strl-20220331_def.xml	Edgar Link	unprocessable
strl-20220331_htm.xml	Edgar Link	completed
strl-20220331_lab.xml	Edgar Link	unprocessable
strl-20220331_pre.xml	Edgar Link	unprocessable

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$STRL
STERLING INFRASTRUCTURE, INC. Stock $strl

2022 Q1 Form 10-Q Financial Statement

#000087423822000048 Filed on May 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STRL STERLING INFRASTRUCTURE, INC. Stock $strl

2022 Q1 Form 10-Q Financial Statement

#000087423822000048 Filed on May 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STRL
STERLING INFRASTRUCTURE, INC. Stock $strl