$PRIM
Primoris Services Corp Stock $prim

$prim Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000155837021001389 Filed on February 23, 2021

Income Statement

Concept	2020	2019 Q4	2019 Q3
Revenue	$3.491B	$789.8M	$865.1M
YoY Change	12.4%	-10.01%	-4.82%
Cost Of Revenue	$3.121B	$700.3M	$756.6M
YoY Change	12.46%	-9.57%	-5.7%
Gross Profit	$370.2M	$89.51M	$108.4M
YoY Change	11.87%	-13.31%	1.8%
Gross Profit Margin	10.6%	11.33%	12.53%
Selling, General & Admin	$202.8M	$48.60M	$49.83M
YoY Change	7.25%	-2.8%	-3.44%
% of Gross Profit	54.79%	54.29%	45.96%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$82.50M	$20.90M	$21.10M
YoY Change	-3.4%	-9.91%	1.44%
% of Gross Profit	22.28%	23.35%	19.46%
Operating Expenses	$202.8M	$48.50M	$49.83M
YoY Change	7.25%	-2.81%	-3.44%
Operating Profit	$163.9M	$41.01M	$58.59M
YoY Change	16.38%	-23.13%	14.72%
Interest Expense	$20.30M	-$2.200M	$5.186M
YoY Change	1.01%	-71.43%	-19.57%
% of Operating Profit	12.38%	-5.36%	8.85%
Other Income/Expense, Net	$1.234M	$0.00	-$2.928M
YoY Change	-139.37%	-100.0%	-9250.0%
Pretax Income	$145.6M	$38.70M	$50.39M
YoY Change	23.52%	-14.95%	10.69%
Income Tax	$40.66M	$11.20M	$14.56M
% Of Pretax Income	27.92%	28.94%	28.9%
Net Earnings	$105.0M	$26.95M	$35.65M
YoY Change	27.51%	-16.75%	9.05%
Net Earnings / Revenue	3.01%	3.41%	4.12%
Basic Earnings Per Share	$2.17	$0.53	$0.70
Diluted Earnings Per Share	$2.16	$0.53	$0.70
COMMON SHARES
Basic Shares Outstanding	48.30M	50.48M	50.98M
Diluted Shares Outstanding	48.63M	50.71M	51.22M

Balance Sheet

Concept	2020	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$326.7M	$120.3M	$43.80M
YoY Change	171.57%	-20.38%	-27.0%
Cash & Equivalents	$326.7M	$120.3M	$43.84M
Short-Term Investments
Other Short-Term Assets	$30.20M	$42.70M	$34.20M
YoY Change	-29.27%	17.31%	52.68%
Inventory
Prepaid Expenses
Receivables	$758.3M	$749.7M	$883.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.115B	$912.7M	$961.5M
YoY Change	22.2%	-1.27%	2.51%
LONG-TERM ASSETS
Property, Plant & Equipment	$563.5M	$375.9M	$379.7M
YoY Change	-8.86%	0.0%	2.88%
Goodwill		$206.2M	$215.1M
YoY Change		0.0%
Intangibles		$69.83M	$72.58M
YoY Change		-14.0%
Long-Term Investments
YoY Change
Other Assets	$14.70M	$13.45M	$11.05M
YoY Change	0.68%	168.95%	-45.04%
Total Long-Term Assets	$854.3M	$917.8M	$907.5M
YoY Change	-6.92%	37.04%	32.84%
TOTAL ASSETS
Total Short-Term Assets	$1.115B	$912.7M	$961.5M
Total Long-Term Assets	$854.3M	$917.8M	$907.5M
Total Assets	$1.970B	$1.830B	$1.869B
YoY Change	7.6%	14.82%	15.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$245.9M	$236.0M	$219.8M
YoY Change	4.19%	-5.31%	-8.91%
Accrued Expenses	$186.9M	$183.5M	$219.5M
YoY Change	7.11%	56.14%	79.6%
Deferred Revenue		$192.4M	$189.7M
YoY Change		1.51%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$47.70M	$55.66M	$60.10M
YoY Change	-14.36%	-10.93%	-5.94%
Total Short-Term Liabilities	$764.4M	$670.4M	$692.1M
YoY Change	14.02%	7.82%	5.2%
LONG-TERM LIABILITIES
Long-Term Debt	$268.8M	$295.6M	$307.4M
YoY Change	-9.07%	-3.28%	0.42%
Other Long-Term Liabilities	$208.0M	$45.80M	$49.29M
YoY Change	-4.15%	-11.09%	-23.82%
Total Long-Term Liabilities	$476.8M	$341.4M	$356.7M
YoY Change	-6.98%	-4.41%	-3.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$764.4M	$670.4M	$692.1M
Total Long-Term Liabilities	$476.8M	$341.4M	$356.7M
Total Liabilities	$1.255B	$1.201B	$1.215B
YoY Change	4.39%	21.66%	17.52%
SHAREHOLDERS EQUITY
Retained Earnings		$531.3M	$507.3M
YoY Change		15.23%
Common Stock		$97.14M	$146.8M
YoY Change		-32.57%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$714.8M	$628.5M	$653.7M
YoY Change
Total Liabilities & Shareholders Equity	$1.970B	$1.830B	$1.869B
YoY Change	7.6%	14.82%	15.29%

Cashflow Statement

Concept	2020	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$105.0M	$26.95M	$35.65M
YoY Change	27.51%	-16.75%	9.05%
Depreciation, Depletion And Amortization	$82.50M	$20.90M	$21.10M
YoY Change	-3.4%	-9.91%	1.44%
Cash From Operating Activities	$313.0M	$158.1M	$56.40M
YoY Change	163.15%	13.17%	-562.3%
INVESTING ACTIVITIES
Capital Expenditures	$64.36M	-$16.20M	-$21.40M
YoY Change	-31.89%	-44.9%	-38.33%
Acquisitions
YoY Change
Other Investing Activities	$21.90M	$4.200M	$3.200M
YoY Change	-23.43%	75.0%	-15.79%
Cash From Investing Activities	-$42.51M	-$12.00M	-$18.20M
YoY Change	-35.47%	-55.72%	-40.91%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$10.88M
YoY Change	502.83%
Debt Paid & Issued, Net	$68.88M
YoY Change	-4.43%
Cash From Financing Activities	-62.82M	-69.80M	-47.90M
YoY Change	-24.57%	232.38%	-33.29%
NET CHANGE
Cash From Operating Activities	313.0M	158.1M	56.40M
Cash From Investing Activities	-42.51M	-12.00M	-18.20M
Cash From Financing Activities	-62.82M	-69.80M	-47.90M
Net Change In Cash	207.5M	76.30M	-9.700M
YoY Change	-796.14%	-16.7%	-91.55%
FREE CASH FLOW
Cash From Operating Activities	$313.0M	$158.1M	$56.40M
Capital Expenditures	$64.36M	-$16.20M	-$21.40M
Free Cash Flow	$248.6M	$174.3M	$77.80M
YoY Change	916.87%	3.08%	245.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001361538
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	prim	Minimum Liquidation Period Of Assets In Which Significant Working Capital Invested MinimumLiquidationPeriodOfAssetsInWhichSignificantWorkingCapitalInvested	P1Y
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CY2019Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OperatingLeaseLiabilityNoncurrent
CY2020	prim	Income Tax Period Of Statute Of Limitations Of State And Foreign Jurisdictions Minimum IncomeTaxPeriodOfStatuteOfLimitationsOfStateAndForeignJurisdictionsMinimum	P3Y
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48110442
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48665138
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-34145
CY2020	dei	Entity Registrant Name EntityRegistrantName	Primoris Services Corporation
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-4743916
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	2300 N. Field Street, Suite 1900
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Dallas
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75201
CY2020	dei	City Area Code CityAreaCode	214
CY2020	dei	Local Phone Number LocalPhoneNumber	740-5600
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $0.0001 par value
CY2020	dei	Trading Symbol TradingSymbol	PRIM
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	86685000
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	9000
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1770000
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	10132000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	105856000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	83311000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	76553000
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	562183000
CY2018	us-gaap	Profit Loss ProfitLoss	87593000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-908000
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2245000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1253000
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	20000000
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	13084000
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	12299000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	984000
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	606983000
CY2019	us-gaap	Profit Loss ProfitLoss	84097000
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9577000
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-13894000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2998000
CY2019	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-1519000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1579000
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	50000000
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3505000
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	12087000
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	629530000
CY2020	us-gaap	Profit Loss ProfitLoss	104983000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	882000
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1710000
CY2020	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-572000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	2274000
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	11453000
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1000000
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	11562000
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	714792000
CY2020	us-gaap	Profit Loss ProfitLoss	104983000
CY2019	us-gaap	Profit Loss ProfitLoss	84097000
CY2018	us-gaap	Profit Loss ProfitLoss	87593000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	82497000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	85400000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	79250000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	2274000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	1579000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	1253000
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	8059000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	11947000
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3556000
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2762000
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-3619000
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2829000
CY2020	us-gaap	Other Noncash Expense OtherNoncashExpense	374000
CY2019	us-gaap	Other Noncash Expense OtherNoncashExpense	320000
CY2018	us-gaap	Other Noncash Expense OtherNoncashExpense	275000
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	30035000
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	28240000
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-20912000
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-19288000
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-19677000
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	67593000
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-12488000
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	7248000
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	2278000
CY2020	prim	Increase Decrease In Deferred Tax Assets Liabilities Net IncreaseDecreaseInDeferredTaxAssetsLiabilitiesNet	5080000
CY2019	prim	Increase Decrease In Deferred Tax Assets Liabilities Net IncreaseDecreaseInDeferredTaxAssetsLiabilitiesNet	-13947000
CY2018	prim	Increase Decrease In Deferred Tax Assets Liabilities Net IncreaseDecreaseInDeferredTaxAssetsLiabilitiesNet	-17155000
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-2170000
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-1249000
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-244000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	311927000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	117981000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	126815000
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-3724000
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	32323000
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	74791000
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1221000
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-43801000
CY2020	prim	Increase Decrease In Operating Lease Assets And Liabilities IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities	-747000
CY2019	prim	Increase Decrease In Operating Lease Assets And Liabilities IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities	3191000
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	20142000
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-22924000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5933000
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	23008000
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-3242000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64357000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	94494000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	110189000
CY2018	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	15000000
CY2018	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	15000000
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	21851000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	28621000
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	11657000
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	110620000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42506000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-65873000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-209152000
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	212880000
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	190000000
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	212880000
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	190000000
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	33873000
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	55008000
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	255967000
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	68884000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	72077000
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	145726000
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	578000
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1804000
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1498000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	572000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1519000
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1200000
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1000000
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	3505000
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	13084000
CY2019	prim	Payments For Repurchase Of Common Stock From Related Party PaymentsForRepurchaseOfCommonStockFromRelatedParty	50000000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	11453000
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-784000
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1173000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-62823000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-83284000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	63939000
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-140000
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	399000
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-924000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	206458000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-30777000
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	20000000
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11594000
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12211000
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12343000
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3771000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-19322000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	120286000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	151063000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170385000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	326744000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	120286000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	151063000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	17216000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	16155000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	16105000
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	26594000
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16647000
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14246000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	54803000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	154807000
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2887000
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2919000
CY2018Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	3043000
CY2020	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">Note 1—Nature of Business</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Organization and operations</span><b style="font-weight:bold;"> — </b>Primoris Services Corporation is one of the leading providers of specialty contracting services operating mainly in the United States and Canada. We provide a wide range of specialty construction services, fabrication, maintenance, replacement, and engineering services to a diversified base of customers through our five segments. </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-size:8pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">We have longstanding customer relationships with major utility, refining, petrochemical, power, midstream, and engineering companies, and state departments of transportation. We provide our services to a diversified base of customers, under a range of contracting options. A substantial portion of our services are provided under Master Service Agreements (“MSA”), which are generally multi-year agreements. The remainder of our services are generated from contracts for specific construction or installation projects.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-size:8pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">We are incorporated in the State of Delaware, and our corporate headquarters are located at 2300 N. Field Street, Suite 1900, Dallas, Texas 75201. Unless specifically noted otherwise, as used throughout these consolidated financial statements, “Primoris”, “the Company”, “we”, “our”, “us” or “its” refers to the business, operations and financial results of the Company and its wholly-owned subsidiaries.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Reportable Segments</span> — We segregate our business into five<span style="white-space:pre-wrap;"> reportable segments: the Power, Industrial and Engineering (“Power”) segment, the Pipeline and Underground (“Pipeline”) segment, the Utilities and Distribution (“Utilities”) segment, the Transmission and Distribution (“Transmission”) segment, and the Civil segment. See Note 14 – </span><i style="font-style:italic;">“Reportable Segments”</i> for a brief description of the reportable segments and their operations.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">The classification of revenue and gross profit for segment reporting purposes can at times require judgment on the part of management. Our segments may perform services across industries or perform joint services for customers in multiple industries. To determine reportable segment gross profit, certain allocations, including allocations of shared and indirect costs, such as facility costs, equipment costs and indirect operating expenses were made.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Acquisition of Willbros Group, Inc. </span>— On June 1, 2018, we completed our acquisition of Willbros Group, Inc. (“Willbros”) for approximately $110.6 million, net of cash and restricted cash acquired. Willbros was a specialty energy infrastructure contractor serving the oil and gas and power industries through its utility transmission and distribution, oil and gas, and Canadian operations, which principally provides unit-price maintenance services in existing operating facilities and executes industrial and power projects. The utility transmission and distribution operations formed the Transmission segment, the oil and gas operations are included in the Pipeline segment, and the Canadian operations are included in the Power segment. See Note 4 — “<i style="font-style:italic;">Business Combinations</i>”.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:35.3pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Joint Ventures </span>— We own a 50<span style="white-space:pre-wrap;">% interest in the Carlsbad Power Constructors joint venture (“Carlsbad”), which engineered and constructed a gas-fired power generation facility located in Southern California, and its operations are included as part of the Power segment. As a result of determining that we are the primary beneficiary of the variable interest entity (“VIE”), the results of the Carlsbad joint venture are consolidated in our financial statements. The project was substantially complete as of December 31, 2018, and the warranty period expires in December 2021. </span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:35.3pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:35.3pt;margin:0pt;">We owned a 50% interest in the “ARB Inc. & B&M Engineering Co.” joint venture (“Wilmington”), which engineered and constructed a gas-fired power generation facility in Southern California, and its operations were included as part of the Power segment. As a result of determining that we were the primary beneficiary of the VIE, the results of the Wilmington joint venture were consolidated in our financial statements. The project has been completed, the project warranty period expired, and dissolution of the joint venture was completed in the first quarter of 2019. </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:35.3pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:35.3pt;margin:0pt;">Financial information for the joint ventures is presented in Note 11— <i style="font-style:italic;">“Noncontrolling Interests”</i>.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Seasonality </span><b style="font-weight:bold;">—</b> Our results of operations are subject to quarterly variations. Some of the variation is the result of weather, particularly rain, ice, snow, and named storms, which can impact our ability to perform construction and specialty services. These seasonal impacts can affect revenue and profitability in all of our businesses since utilities defer routine replacement and repair during </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="white-space:pre-wrap;">their period of peak demand. Any quarter can be affected either negatively or positively by atypical weather patterns in any part of the country. In addition, demand for new projects tends to be lower during the early part of the calendar year due to clients’ internal budget cycles. As a result, we usually experience higher revenue and earnings in the third and fourth quarters of the year as compared to the first two quarters.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Variability </span>— Our project values range in size from several hundred dollars to several hundred million dollars. The bulk of our work is comprised of project sizes that average less than $5.0<span style="white-space:pre-wrap;"> million. We also perform large construction projects which tend not to be seasonal, but can fluctuate from year to year based on customer timing, project duration, weather, and general economic conditions. Our business may be affected by declines or delays in new projects or by client project schedules. Because of the cyclical nature of our business, the financial results for any period may fluctuate from prior periods, and our financial condition and operating results may vary from quarter to quarter. Results from one quarter may not be indicative of financial condition or operating results for any other quarter or for an entire year.</span></p>
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2020	prim	Average Maximum Amount Of Project Size Amount AverageMaximumAmountOfProjectSizeAmount	5000000.0
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Reclassification </span><b style="font-weight:bold;">—</b>Certain previously reported amounts have been reclassified to conform to the current year presentation.</p>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Use of estimates </span><b style="font-weight:bold;">—</b><span style="white-space:pre-wrap;">The preparation of our Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting periods. As a construction contractor, we use estimates for costs to complete construction projects and the contract value of certain construction projects. These estimates have a direct effect on gross profit as reported in these consolidated financial statements. Actual results could materially differ from our estimates.</span></p>
CY2020	prim	Minimum Liquidation Period Of Assets In Which Significant Working Capital Invested MinimumLiquidationPeriodOfAssetsInWhichSignificantWorkingCapitalInvested	P1Y
CY2018	prim	Tax Cuts And Jobs Act Of2017 Change In Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInIncomeTaxExpenseBenefit	1100000
CY2018	prim	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Foreign Tax Credits Income Tax Expense TaxCutsAndJobsActOf2017ChangeInTaxRateForeignTaxCreditsIncomeTaxExpense	600000
CY2018	prim	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Depreciation Income Tax Expense TaxCutsAndJobsActOf2017ChangeInTaxRateDepreciationIncomeTaxExpense	500000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	326700000
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	120300000
CY2020	prim	Percentage Of Labor Force Subject To Collective Bargaining PercentageOfLaborForceSubjectToCollectiveBargaining	0.316
CY2020	prim	Collective Bargaining Agreements Number CollectiveBargainingAgreementsNumber	81
CY2020	prim	Collective Bargaining Agreements Requiring Renegotiation CollectiveBargainingAgreementsRequiringRenegotiation	30
CY2020	prim	Collective Bargaining Agreements Number Of Years Without Work Stoppages CollectiveBargainingAgreementsNumberOfYearsWithoutWorkStoppages	P20Y
CY2019	prim	Self Insurance Limit Per Claim SelfInsuranceLimitPerClaim	500000
CY2020	prim	Self Insurance Limit Per Claim SelfInsuranceLimitPerClaim	500000
CY2020Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	38700000
CY2019Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	39300000
CY2019Q2	prim	Contingent Consideration Asset Fair Value ContingentConsiderationAssetFairValue	900000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	400000
CY2019Q2	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	2000000.0
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Asset1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1	-900000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1700000
CY2020	prim	Significant Revision In Contract Increase Decrease In Net Income SignificantRevisionInContractIncreaseDecreaseInNetIncome	-28100000
CY2020Q4	prim	Significant Revision In Contract Estimate Earning Per Share Impact SignificantRevisionInContractEstimateEarningPerShareImpact	-0.58
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="font-style:italic;font-weight:bold;">Customer concentration</span> — We operate in multiple industry segments encompassing the construction of commercial, utility, industrial and public works infrastructure assets primarily throughout the United States. Typically, the top ten customers in any one calendar year account for approximately 50.0% of total revenue; however, the group that comprises the top ten customers varies from year to year. For the years ended December 31, 2020, 2019 and 2018, approximately 47.0%, 47.2% and 52.2%, respectively, of total revenue was generated from our top ten customers in each year. In each of the years, a different group of customers comprised the top ten customers by revenue, and no one customer accounted for more than 10% of total revenue.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">On January 29, 2019, one of our California utility customers filed for reorganization under Chapter 11 of the U.S. Bankruptcy Code. For the year ended December 31, 2019, the customer accounted for approximately 7.2% of our total revenue. In the third quarter of 2019, we entered into an agreement with a financial institution to sell, on a non-recourse basis, except in limited circumstances, substantially all of our pre-petition bankruptcy receivables with the customer. We received approximately $48.3 million upon the closing of this transaction in October 2019. During the year ended December 31, 2019, we recorded a loss of approximately $2.9 million in “<i style="font-style:italic;">Other income (expense), net</i>” on the Consolidated Statements of Income related to the sale agreement. During 2020, the customer emerged from bankruptcy. We are continuing to perform services for the customer and the amounts billed for these services continue to be collected in the ordinary course of the customer’s business.</p>
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1720000000
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.75
CY2020	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	9900000
CY2019	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	24100000
CY2020Q4	prim	Contract With Customer Liability Modification Of Contract ContractWithCustomerLiabilityModificationOfContract	63600000
CY2020	us-gaap	Contract With Customer Asset Cumulative Catch Up Adjustment To Revenue Modification Of Contract ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueModificationOfContract	57500000
CY2020Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	192176000
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	251429000
CY2020Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	115877000
CY2019Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	81393000
CY2020Q4	us-gaap	Inventory For Long Term Contracts Or Programs InventoryForLongTermContractsOrPrograms	17796000
CY2019Q4	us-gaap	Inventory For Long Term Contracts Or Programs InventoryForLongTermContractsOrPrograms	11984000
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	325849000
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	344806000
CY2020	prim	Increase Decrease In Contract With Customer Asset Net Current IncreaseDecreaseInContractWithCustomerAssetNetCurrent	19000000.0
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	146000000.0
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	153100000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3491497000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3106329000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2939478000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3491497000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3106329000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2939478000
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	267227000
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	192397000
CY2020	prim	Increase Decrease In Contract With Customer Liability Current IncreaseDecreaseInContractWithCustomerLiabilityCurrent	74800000
CY2018	us-gaap	Gross Profit GrossProfit	325737000
CY2018	prim	Gross Profit As Percentage Of Segment Revenue GrossProfitAsPercentageOfSegmentRevenue	0.111
CY2020Q4	prim	Contract With Customer Liability Deferred Revenue Current ContractWithCustomerLiabilityDeferredRevenueCurrent	252781000
CY2019Q4	prim	Contract With Customer Liability Deferred Revenue Current ContractWithCustomerLiabilityDeferredRevenueCurrent	186081000
CY2020Q4	prim	Contract With Customer Liability Accrued Loss Provision Current ContractWithCustomerLiabilityAccruedLossProvisionCurrent	14446000
CY2019Q4	prim	Contract With Customer Liability Accrued Loss Provision Current ContractWithCustomerLiabilityAccruedLossProvisionCurrent	6316000
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	773393000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	774903000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	417199000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	399015000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	356194000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	375888000
CY2020	us-gaap	Depreciation Depreciation	73700000
CY2019	us-gaap	Depreciation Depreciation	74000000.0
CY2018	us-gaap	Depreciation Depreciation	67900000
CY2020	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0
CY2018Q4	us-gaap	Goodwill Goodwill	206159000
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	8944000
CY2019Q4	us-gaap	Goodwill Goodwill	215103000
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	109215000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	48203000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	61012000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	109215000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	39386000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	69829000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8800000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11400000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11300000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	7577000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6416000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5581000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4862000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4140000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	32436000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	61012000
CY2020Q4	prim	Contract With Customer Accounts Payable Due To Subcontractors ContractWithCustomerAccountsPayableDueToSubcontractors	12600000
CY2019Q4	prim	Contract With Customer Accounts Payable Due To Subcontractors ContractWithCustomerAccountsPayableDueToSubcontractors	11300000
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	81088000
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	64705000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	73033000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	74036000
CY2020Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	8365000
CY2019Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	9918000
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	13783000
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	9027000
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	24404000
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	25815000
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	200673000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	183501000
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	317078000
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	352088000
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	521000
CY2019Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	787000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	316557000
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	351301000
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	47722000
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	55659000
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	268835000
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	295642000
CY2020Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.037
CY2019Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.040
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	47722000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	42190000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	177579000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	8880000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	15007000
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	25700000
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	317078000
CY2020	prim	Number Of Instruments Used For Trading NumberOfInstrumentsUsedForTrading	0
CY2020Q4	us-gaap	Cash Cash	326744000
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	267227000
CY2019Q4	us-gaap	Cash Cash	120286000
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	235972000
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	192397000
CY2020	us-gaap	Lease Practical Expedients Package LeasePracticalExpedientsPackage	true
CY2020	us-gaap	Lease Practical Expedient Use Of Hindsight LeasePracticalExpedientUseOfHindsight	true
CY2020	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	90965000
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	77222000
CY2018	us-gaap	Operating Lease Cost OperatingLeaseCost	53415000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	73033000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	74036000
CY2020	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	48400000
CY2019	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	41000000.0
CY2018	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	48800000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	137913000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	171225000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	210946000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	245261000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	79229000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	61235000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	47586000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	22232000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	5197000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	8995000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	224474000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	13528000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	210946000
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	93107000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	77229000
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M3D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y11M26D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0359
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0385
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3491497000
CY2020	prim	Revenue Percentage RevenuePercentage	1.000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3106329000
CY2019	prim	Revenue Percentage RevenuePercentage	1.000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2939478000
CY2018	prim	Revenue Percentage RevenuePercentage	1.000
CY2020	us-gaap	Gross Profit GrossProfit	370214000
CY2020	prim	Gross Profit As Percentage Of Segment Revenue GrossProfitAsPercentageOfSegmentRevenue	0.106
CY2019	us-gaap	Gross Profit GrossProfit	330926000
CY2019	prim	Gross Profit As Percentage Of Segment Revenue GrossProfitAsPercentageOfSegmentRevenue	0.107
CY2018	us-gaap	Multiemployer Plan Pension Significant Plan Contribution MultiemployerPlanPensionSignificantPlanContribution	30637000
CY2020	us-gaap	Multiemployer Plan Pension Insignificant Plan Contribution MultiemployerPlanPensionInsignificantPlanContribution	15489000
CY2019	us-gaap	Multiemployer Plan Pension Insignificant Plan Contribution MultiemployerPlanPensionInsignificantPlanContribution	12964000
CY2018	us-gaap	Multiemployer Plan Pension Insignificant Plan Contribution MultiemployerPlanPensionInsignificantPlanContribution	18153000
CY2020	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	48397000
CY2019	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	41000000
CY2018	prim	Multiemployer Plans Plan Contributions Total MultiemployerPlansPlanContributionsTotal	48790000
CY2020	prim	Multiemployer Plans Annual Contributions Number Of Pension Plans MultiemployerPlansAnnualContributionsNumberOfPensionPlans	36
CY2020	us-gaap	Multiemployer Plan Pension Significant Plan Contribution MultiemployerPlanPensionSignificantPlanContribution	32908000
CY2019	us-gaap	Multiemployer Plan Pension Significant Plan Contribution MultiemployerPlanPensionSignificantPlanContribution	28036000
CY2019Q4	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	2316960
CY2019Q4	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	50000000.0
CY2019Q4	us-gaap	Share Price SharePrice	21.58
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000.0
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25765000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	140346000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	107639000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	111002000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	5293000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	10270000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2356000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-139000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3578000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13947000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16516000
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1502000
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-634000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	145639000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117909000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	113358000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	37315000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12513000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3405000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6680000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4398000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4536000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1741000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2954000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	674000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	45736000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19865000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8615000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3207000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12283000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	14535000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	438000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1940000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2120000
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-809000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-276000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40656000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33812000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	825000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
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CY2019Q4	prim	Deferred Tax Assets Disallowed Interest DeferredTaxAssetsDisallowedInterest	533000
CY2020Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	10974000
CY2019Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	10126000
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CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Unearned Premiums Reserve DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve	3146000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	4191000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	2276000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	825000
CY2020Q4	prim	Deferred Tax Liabilities Lease Assets DeferredTaxLiabilitiesLeaseAssets	47961000
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	815000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	890000
CY2020Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	600000
CY2020	prim	Income Tax Period Of Statute Of Limitations Of State And Foreign Jurisdictions Maximum IncomeTaxPeriodOfStatuteOfLimitationsOfStateAndForeignJurisdictionsMaximum	P5Y
CY2020Q4	prim	Deferred Tax Liabilities Prepaid Expenses And Other DeferredTaxLiabilitiesPrepaidExpensesAndOther	1387000
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CY2019Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	1193000
CY2020Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	2412000
CY2019Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	1630000
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CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	1932000
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	130243000
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CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	66150000
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CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	115498000
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CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	26384000
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CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	588000
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	377000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	295000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	146000
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	717000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1555000
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	158000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	231000
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1305000
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	198000
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	139000
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	94000
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1553000
CY2020Q4	prim	Deferral Of Fica Tax Payments Reserve DeferralOfFicaTaxPaymentsReserve	40800000
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
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CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
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CY2020	us-gaap	Net Income Loss NetIncomeLoss	104974000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	82327000
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CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48303000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50784000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51350000
CY2020	prim	Incremental Common Shares Attributable To Shares Issued To Independent Directors Under Share Based Payment Arrangements IncrementalCommonSharesAttributableToSharesIssuedToIndependentDirectorsUnderShareBasedPaymentArrangements	5000
CY2019	prim	Incremental Common Shares Attributable To Shares Issued To Independent Directors Under Share Based Payment Arrangements IncrementalCommonSharesAttributableToSharesIssuedToIndependentDirectorsUnderShareBasedPaymentArrangements	3000
CY2018	prim	Incremental Common Shares Attributable To Shares Issued To Independent Directors Under Share Based Payment Arrangements IncrementalCommonSharesAttributableToSharesIssuedToIndependentDirectorsUnderShareBasedPaymentArrangements	3000
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	325000
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	297000
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	317000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48633000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51084000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51670000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.17
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
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CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
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CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
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CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	48110442
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	48665138
CY2020	prim	Stock Issued Share Based Compensation Restriction Period For Trade StockIssuedShareBasedCompensationRestrictionPeriodForTrade	P1Y
CY2020Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	25000000.0
CY2020	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	694260
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	11500000
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	16.50
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000.0
CY2018Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	5000000.0
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	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	825146
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	20000000.0
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CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	743243000
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	908216000
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	942700000
CY2020Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	897338000
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CY2020Q1	us-gaap	Profit Loss ProfitLoss	-3734000
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CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.08
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CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48270000
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48253000
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48104000
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48588000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48668000
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48574000
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48410000
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	661558000
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	789929000
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	865064000
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	789778000
CY2019Q1	us-gaap	Gross Profit GrossProfit	52460000
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CY2019Q3	us-gaap	Gross Profit GrossProfit	108421000
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CY2019Q1	us-gaap	Profit Loss ProfitLoss	2936000
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CY2019Q3	us-gaap	Profit Loss ProfitLoss	35826000
CY2019Q4	us-gaap	Profit Loss ProfitLoss	27511000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	1947000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	17787000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	35648000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	26945000
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CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.35
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
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CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50770000
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50912000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50976000
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50478000
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51188000
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51228000
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51215000
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50711000

Files In Submission

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$PRIM
Primoris Services Corp Stock $prim

2020 Form 10-K Financial Statement

#000155837021001389 Filed on February 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRIM Primoris Services Corp Stock $prim

2020 Form 10-K Financial Statement

#000155837021001389 Filed on February 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRIM
Primoris Services Corp Stock $prim