$PRA
PROASSURANCE CORP Stock $pra

$pra Overview Financials Valuation SEC Filings Company Website

2022 Q1 Form 10-Q Financial Statement

#000187524622000007 Filed on May 09, 2022

Income Statement

Concept	2022 Q1	2021 Q1
Revenue	$283.1M	$220.0M
YoY Change	28.66%	11.85%
Cost Of Revenue	$209.4M	$149.8M
YoY Change	39.82%	-9.13%
Gross Profit	$73.65M	$70.23M
YoY Change	4.87%	120.38%
Gross Profit Margin	26.02%	31.92%
Selling, General & Admin		$900.0K
YoY Change		-43.75%
% of Gross Profit		1.28%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$32.97M	$24.93M
YoY Change	32.24%	426.59%
% of Gross Profit	44.76%	35.5%
Operating Expenses	$281.8M	$206.6M
YoY Change	36.42%	494.14%
Operating Profit	-$208.2M	-$136.4M
YoY Change	52.67%	4595.87%
Interest Expense	$4.441M	$3.212M
YoY Change	38.26%	-22.21%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$5.577M	$8.471M
YoY Change	-165.84%	-124.89%
Income Tax	-$2.017M	$736.0K
% Of Pretax Income		8.69%
Net Earnings	-$3.560M	$7.735M
YoY Change	-146.02%	-135.23%
Net Earnings / Revenue	-1.26%	3.52%
Basic Earnings Per Share	-$0.07	$0.14
Diluted Earnings Per Share	-$0.07	$0.14
COMMON SHARES
Basic Shares Outstanding	54.01M shares	53.92M shares
Diluted Shares Outstanding	54.14M shares	54.00M shares

Balance Sheet

Concept	2022 Q1	2021 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$72.10M	$214.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$30.12M	$30.59M
YoY Change	-1.56%	-1.7%
Goodwill	$49.61M	$49.61M
YoY Change	0.0%	-76.46%
Intangibles
YoY Change
Long-Term Investments	$4.694B	$3.405B
YoY Change	37.85%	5.05%
Other Assets	$157.2M	$67.70M
YoY Change	132.22%	1.5%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$6.059B	$4.675B
YoY Change	29.61%	-1.19%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$19.19M	$19.20M
YoY Change	-0.05%	-9.86%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$19.19M	$19.20M
YoY Change	-0.05%	-9.86%
LONG-TERM LIABILITIES
Long-Term Debt	$425.5M	$284.4M
YoY Change	49.62%	-0.39%
Other Long-Term Liabilities	$217.3M	$205.1M
YoY Change	5.94%	20.79%
Total Long-Term Liabilities	$642.8M	$489.5M
YoY Change	31.32%	7.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$19.19M	$19.20M
Total Long-Term Liabilities	$642.8M	$489.5M
Total Liabilities	$4.777B	$3.353B
YoY Change	42.45%	1.51%
SHAREHOLDERS EQUITY
Retained Earnings	$1.428B	$1.306B
YoY Change	9.34%	-10.72%
Common Stock	$394.1M	$389.6M
YoY Change	1.16%	1.09%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$416.0M	$416.0M
YoY Change	0.0%	0.0%
Treasury Stock Shares	9.325M shares	9.325M shares
Shareholders Equity	$1.282B	$1.321B
YoY Change
Total Liabilities & Shareholders Equity	$6.059B	$4.675B
YoY Change	29.61%	-1.19%

Cashflow Statement

Concept	2022 Q1	2021 Q1
OPERATING ACTIVITIES
Net Income	-$3.560M	$7.735M
YoY Change	-146.02%	-135.23%
Depreciation, Depletion And Amortization	$32.97M	$24.93M
YoY Change	32.24%	426.59%
Cash From Operating Activities	$14.27M	$28.70M
YoY Change	-50.3%	-338.19%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$77.13M	$0.00
YoY Change		-100.0%
Cash From Investing Activities	-$77.13M	-$26.26M
YoY Change	193.72%	-136.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$8.632M	-$3.386M
YoY Change	154.93%	-81.16%
NET CHANGE
Cash From Operating Activities	$14.27M	$28.70M
Cash From Investing Activities	-$77.13M	-$26.26M
Cash From Financing Activities	-$8.632M	-$3.386M
Net Change In Cash	-$71.50M	-$947.0K
YoY Change	7450.26%	-102.27%
FREE CASH FLOW
Cash From Operating Activities	$14.27M	$28.70M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001127703
CY2022Q1	dei	Amendment Flag AmendmentFlag	false
CY2022Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2022Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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	0-16533
CY2022Q1	dei	Entity Registrant Name EntityRegistrantName	ProAssurance Corporation
CY2022Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	63-1261433
CY2022Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	100 Brookwood Place,
CY2022Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Birmingham,
CY2022Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	AL
CY2022Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	35209
CY2022Q1	dei	City Area Code CityAreaCode	(205)
CY2022Q1	dei	Local Phone Number LocalPhoneNumber	877-4400
CY2022Q1	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2022Q1	dei	Trading Symbol TradingSymbol	PRA
CY2022Q1	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2022Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022Q1	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	54047919	shares
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3861574000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3814847000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3700821000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3833722000	USD
CY2022Q1	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	49986000	USD
CY2021Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	43914000	USD
CY2022Q1	us-gaap	Trading Securities Debt TradingSecuritiesDebt	49421000	USD
CY2021Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	43670000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	211962000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	211356000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	203925000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	214807000	USD
CY2022Q1	us-gaap	Other Short Term Investments OtherShortTermInvestments	233345000	USD
CY2021Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	216987000	USD
CY2022Q1	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	80879000	USD
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	81767000	USD
CY2022Q1	pra	Investment In Unconsolidated Subsidiaries InvestmentInUnconsolidatedSubsidiaries	321402000	USD
CY2021Q4	pra	Investment In Unconsolidated Subsidiaries InvestmentInUnconsolidatedSubsidiaries	335576000	USD
CY2022Q1	pra	Other Investments Fair Value Disclosure OtherInvestmentsFairValueDisclosure	100678000	USD
CY2021Q4	pra	Other Investments Fair Value Disclosure OtherInvestmentsFairValueDisclosure	98611000	USD
CY2022Q1	us-gaap	Other Long Term Investments OtherLongTermInvestments	103876000	USD
CY2021Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	101794000	USD
CY2022Q1	us-gaap	Investments Investments	4693669000	USD
CY2021Q4	us-gaap	Investments Investments	4828323000	USD
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	72101000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	143602000	USD
CY2022Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	7711000	USD
CY2021Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	7436000	USD
CY2022Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	260929000	USD
CY2021Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	241095000	USD
CY2022Q1	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	14310000	USD
CY2021Q4	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	14599000	USD
CY2022Q1	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	464780000	USD
CY2021Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	451741000	USD
CY2022Q1	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	32198000	USD
CY2021Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	24571000	USD
CY2022Q1	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	65491000	USD
CY2021Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	58940000	USD
CY2022Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	157214000	USD
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	117613000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30117000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30342000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17989000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19595000	USD
CY2022Q1	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	71717000	USD
CY2021Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	73336000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	49610000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	49610000	USD
CY2022Q1	us-gaap	Other Assets OtherAssets	128473000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	138110000	USD
CY2022Q1	us-gaap	Assets Assets	6058598000	USD
CY2021Q4	us-gaap	Assets Assets	6191477000	USD
CY2022Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3603246000	USD
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3579940000	USD
CY2022Q1	us-gaap	Unearned Premiums UnearnedPremiums	486693000	USD
CY2021Q4	us-gaap	Unearned Premiums UnearnedPremiums	433961000	USD
CY2022Q1	us-gaap	Reinsurance Payable ReinsurancePayable	24891000	USD
CY2021Q4	us-gaap	Reinsurance Payable ReinsurancePayable	22627000	USD
CY2022Q1	pra	Policy Liabilities PolicyLiabilities	4114830000	USD
CY2021Q4	pra	Policy Liabilities PolicyLiabilities	4036528000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	19190000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20844000	USD
CY2022Q1	us-gaap	Other Liabilities OtherLiabilities	217280000	USD
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	280732000	USD
CY2022Q1	us-gaap	Long Term Debt LongTermDebt	425530000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	424986000	USD
CY2022Q1	us-gaap	Liabilities Liabilities	4776830000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	4763090000	USD
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	63371520	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	63308741	shares
CY2022Q1	us-gaap	Common Stock Value CommonStockValue	634000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	633000	USD
CY2022Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	393433000	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	392941000	USD
CY2022Q1	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	-33755000	USD
CY2021Q4	us-gaap	Aoci Tax Attributable To Parent AociTaxAttributableToParent	4423000	USD
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-124566000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	16284000	USD
CY2022Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1428229000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1434491000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	9325180	shares
CY2022Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	9325180	shares
CY2022Q1	us-gaap	Treasury Stock Value TreasuryStockValue	415962000	USD
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	415962000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1281768000	USD
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CY2022Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6058598000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6191477000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1428387000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	7000	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1342000	USD
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CY2022Q1	us-gaap	Dividends Common Stock DividendsCommonStock	2702000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-140850000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-3560000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1281768000	USD
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CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	2699000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33705000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	7735000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1321316000	USD
CY2022Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	265711000	USD
CY2021Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	187358000	USD
CY2022Q1	us-gaap	Net Investment Income NetInvestmentIncome	20443000	USD
CY2021Q1	us-gaap	Net Investment Income NetInvestmentIncome	15017000	USD
CY2022Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	7620000	USD
CY2021Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	6788000	USD
CY2022Q1	pra	Other Net Realized Investment Gain Loss OtherNetRealizedInvestmentGainLoss	-13506000	USD
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CY2021Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	8849000	USD
CY2022Q1	us-gaap	Other Income OtherIncome	2804000	USD
CY2021Q1	us-gaap	Other Income OtherIncome	2005000	USD
CY2022Q1	us-gaap	Revenues Revenues	283072000	USD
CY2021Q1	us-gaap	Revenues Revenues	220017000	USD
CY2022Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	209423000	USD
CY2021Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	149785000	USD
CY2022Q1	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	38810000	USD
CY2021Q1	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	31522000	USD
CY2022Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	32966000	USD
CY2021Q1	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	24929000	USD
CY2022Q1	pra	Segregated Portfolio Cells Income Tax Expense Benefit SegregatedPortfolioCellsIncomeTaxExpenseBenefit	642000	USD
CY2021Q1	pra	Segregated Portfolio Cells Income Tax Expense Benefit SegregatedPortfolioCellsIncomeTaxExpenseBenefit	356000	USD
CY2022Q1	pra	Segregated Portfolio Cells Dividend Expense Income SegregatedPortfolioCellsDividendExpenseIncome	2367000	USD
CY2021Q1	pra	Segregated Portfolio Cells Dividend Expense Income SegregatedPortfolioCellsDividendExpenseIncome	1742000	USD
CY2022Q1	us-gaap	Interest Expense InterestExpense	4441000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	3212000	USD
CY2022Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	288649000	USD
CY2021Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	211546000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-5577000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8471000	USD
CY2022Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-607000	USD
CY2021Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3008000	USD
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1410000	USD
CY2021Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2272000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2017000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	736000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-3560000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	7735000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-140850000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-33705000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-144410000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-25970000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54012000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53918000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54143000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53998000	shares
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-3560000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	7735000	USD
CY2022Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10350000	USD
CY2021Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6722000	USD
CY2022Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	-888000	USD
CY2021Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	-915000	USD
CY2022Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-13506000	USD
CY2021Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	8849000	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1343000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1031000	USD
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1410000	USD
CY2021Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2272000	USD
CY2022Q1	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	6551000	USD
CY2021Q1	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	420000	USD
CY2022Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	7620000	USD
CY2021Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	6788000	USD
CY2022Q1	pra	Return On Invested Capital From Unconsolidated Subsidiaries ReturnOnInvestedCapitalFromUnconsolidatedSubsidiaries	14176000	USD
CY2021Q1	pra	Return On Invested Capital From Unconsolidated Subsidiaries ReturnOnInvestedCapitalFromUnconsolidatedSubsidiaries	5658000	USD
CY2022Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1056000	USD
CY2021Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	661000	USD
CY2022Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	19834000	USD
CY2021Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	9165000	USD
CY2022Q1	pra	Increase Decrease In Reinsurance Related Assets And Liabilities IncreaseDecreaseInReinsuranceRelatedAssetsAndLiabilities	18113000	USD
CY2021Q1	pra	Increase Decrease In Reinsurance Related Assets And Liabilities IncreaseDecreaseInReinsuranceRelatedAssetsAndLiabilities	12290000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12367000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-13151000	USD
CY2022Q1	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	23306000	USD
CY2021Q1	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	21071000	USD
CY2022Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	52732000	USD
CY2021Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	13699000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-56259000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-837000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	14265000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28700000	USD
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	231557000	USD
CY2021Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	342197000	USD
CY2022Q1	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	28129000	USD
CY2021Q1	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	38232000	USD
CY2022Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	12757000	USD
CY2021Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	33252000	USD
CY2022Q1	pra	Payments For Proceeds From Investment In Unconsolidated Subsidiaries PaymentsForProceedsFromInvestmentInUnconsolidatedSubsidiaries	9685000	USD
CY2021Q1	pra	Payments For Proceeds From Investment In Unconsolidated Subsidiaries PaymentsForProceedsFromInvestmentInUnconsolidatedSubsidiaries	5319000	USD
CY2022Q1	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	176820000	USD
CY2021Q1	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	195266000	USD
CY2022Q1	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	27305000	USD
CY2021Q1	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	82048000	USD
CY2022Q1	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	9205000	USD
CY2021Q1	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	12026000	USD
CY2022Q1	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	-6119000	USD
CY2021Q1	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	3163000	USD
CY2022Q1	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	17302000	USD
CY2021Q1	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	17618000	USD
CY2022Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	16632000	USD
CY2021Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-56836000	USD
CY2022Q1	pra	Unsettled Security Transactions Net UnsettledSecurityTransactionsNet	2076000	USD
CY2021Q1	pra	Unsettled Security Transactions Net UnsettledSecurityTransactionsNet	-27025000	USD
CY2022Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	811000	USD
CY2021Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	1243000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-77134000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-26261000	USD
CY2022Q1	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2021Q1	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	390000	USD
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2691000	USD
CY2021Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2686000	USD
CY2022Q1	pra	External Capital Contribution Received Return Of Capital For Segregated Portfolio Cells ExternalCapitalContributionReceivedReturnOfCapitalForSegregatedPortfolioCells	-5085000	USD
CY2021Q1	pra	External Capital Contribution Received Return Of Capital For Segregated Portfolio Cells ExternalCapitalContributionReceivedReturnOfCapitalForSegregatedPortfolioCells	-53000	USD
CY2022Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-856000	USD
CY2021Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-257000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8632000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3386000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-71501000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-947000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	143602000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	215782000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	72101000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	214835000	USD
CY2022Q1	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2702000	USD
CY2021Q1	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	2699000	USD
CY2022Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5	segment
CY2022Q1	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:11pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Accounting Policies</span></div><div style="margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, revenues and expenses, and disclosures related to these amounts at the date of the financial statements. The Company evaluates these estimates and assumptions on an ongoing basis based on current and historical developments, market conditions, industry trends and other information that the Company believes to be reasonable under the circumstances, including the potential impacts of the COVID-19 pandemic (see "Item 1A, Risk Factors" in ProAssurance's December 31, 2021 report on Form 10-K for additional information). The Company can make no assurance that actual results will conform to its estimates and assumptions; reported results of operations may be materially affected by changes in these estimates and assumptions.</span></div><div style="margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The significant accounting policies followed by ProAssurance in making estimates that materially affect financial reporting are summarized in Note 1 of the Notes to Consolidated Financial Statements in ProAssurance’s December 31, 2021 report on Form 10-K.</span></div>
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	57565000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-1253000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	16779000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	1140000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	1529000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	5023000	USD
CY2022Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	68568000	USD
CY2022Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	64000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	11958000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-159000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	12232000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	321000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	3010000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	7474000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	19234000	USD
CY2021Q1	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2022Q1	us-gaap	Alternative Investment AlternativeInvestment	267125000	USD
CY2021Q4	us-gaap	Alternative Investment AlternativeInvestment	270816000	USD
CY2022Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	32000000	USD
CY2021Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	39500000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3861574000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	10940000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	171693000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3700821000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3814847000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	49690000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	30815000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3833722000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3861574000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3700821000	USD
CY2022Q1	pra	Number Of Investment Affiliates Exceeding Shareholders Equity Ten Percent Threshold Limit NumberOfInvestmentAffiliatesExceedingShareholdersEquityTenPercentThresholdLimit	0	investment
CY2022Q1	pra	Threshold Limit Of Investments Based On Shareholders Equity ThresholdLimitOfInvestmentsBasedOnShareholdersEquity	0.10
CY2022Q1	us-gaap	Assets Held By Insurance Regulators AssetsHeldByInsuranceRegulators	54500000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2992610000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	171693000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2739198000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	147893000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	253412000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	23800000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2088498000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	30815000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1947941000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	25389000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	140557000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	5426000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	552000	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold	552000	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	63500000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	61900000	USD
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	231600000	USD
CY2021Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	342200000	USD
CY2022Q1	pra	Business Owned Life Insurance Cost BusinessOwnedLifeInsuranceCost	42000000	USD
CY2022Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	2181000	USD
CY2021Q1	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	2086000	USD
CY2022Q1	us-gaap	Net Investment Income NetInvestmentIncome	20443000	USD
CY2021Q1	us-gaap	Net Investment Income NetInvestmentIncome	15017000	USD
CY2022Q1	pra	Investment In Unconsolidated Subsidiaries InvestmentInUnconsolidatedSubsidiaries	321402000	USD
CY2021Q4	pra	Investment In Unconsolidated Subsidiaries InvestmentInUnconsolidatedSubsidiaries	335576000	USD
CY2022Q1	pra	Numberof L Ps Ll Cswith Equity Method Investment Ownership Percentage Over25percent NumberofLPsLLCswithEquityMethodInvestmentOwnershipPercentageOver25percent	4	business
CY2022Q1	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-2388000	USD
CY2021Q1	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-3368000	USD
CY2022Q1	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1205000	USD
CY2021Q1	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	3324000	USD
CY2022Q1	pra	Income Lossfrom Historical Projects Equity Method Investments IncomeLossfromHistoricalProjectsEquityMethodInvestments	0	USD
CY2021Q1	pra	Income Lossfrom Historical Projects Equity Method Investments IncomeLossfromHistoricalProjectsEquityMethodInvestments	182000	USD
CY2022Q1	pra	Historic Tax Credits Investmentsand Other Tax Benefits Amount HistoricTaxCreditsInvestmentsandOtherTaxBenefitsAmount	0	USD
CY2021Q1	pra	Historic Tax Credits Investmentsand Other Tax Benefits Amount HistoricTaxCreditsInvestmentsandOtherTaxBenefitsAmount	50000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1187000	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	4294000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	1124000	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	187000	USD
CY2022Q1	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	-75000	USD
CY2021Q1	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	72000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-220000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	4189000	USD
CY2022Q1	pra	Other Investments Realized Gain Loss OtherInvestmentsRealizedGainLoss	650000	USD
CY2021Q1	pra	Other Investments Realized Gain Loss OtherInvestmentsRealizedGainLoss	3196000	USD
CY2022Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-326000	USD
CY2021Q1	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-214000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-11485000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-2937000	USD
CY2022Q1	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	-2476000	USD
CY2021Q1	us-gaap	Unrealized Gain Loss On Hybrid Instrument Net UnrealizedGainLossOnHybridInstrumentNet	-190000	USD
CY2022Q1	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	363000	USD
CY2021Q1	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	626000	USD
CY2022Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-13506000	USD
CY2021Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	8849000	USD
CY2022Q1	pra	Impairment Losses Investments Portion In Other Comprehensive Loss Before Tax Portion Attributable To Parent ImpairmentLossesInvestmentsPortionInOtherComprehensiveLossBeforeTaxPortionAttributableToParent	0	USD
CY2022Q1	pra	Impairment Loss Debt Securities Portion Recognizedin Earnings ImpairmentLossDebtSecuritiesPortionRecognizedinEarnings	0	USD
CY2021Q1	pra	Impairment Losses Investments Portion In Other Comprehensive Loss Before Tax Portion Attributable To Parent ImpairmentLossesInvestmentsPortionInOtherComprehensiveLossBeforeTaxPortionAttributableToParent	0	USD
CY2021Q1	pra	Impairment Loss Debt Securities Portion Recognizedin Earnings ImpairmentLossDebtSecuritiesPortionRecognizedinEarnings	0	USD
CY2021Q4	pra	Credit Losses Recognized In Earnings In Which A Portion Of Losses Are Recognized In Comprehensive Income Loss Credit Losses On Debt Securities Held CreditLossesRecognizedInEarningsInWhichAPortionOfLossesAreRecognizedInComprehensiveIncomeLossCreditLossesOnDebtSecuritiesHeld	0	USD
CY2020Q4	pra	Credit Losses Recognized In Earnings In Which A Portion Of Losses Are Recognized In Comprehensive Income Loss Credit Losses On Debt Securities Held CreditLossesRecognizedInEarningsInWhichAPortionOfLossesAreRecognizedInComprehensiveIncomeLossCreditLossesOnDebtSecuritiesHeld	552000	USD
CY2022Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	0	USD
CY2021Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	552000	USD
CY2022Q1	pra	Credit Losses Recognized In Earnings In Which A Portion Of Losses Are Recognized In Comprehensive Income Loss Credit Losses On Debt Securities Held CreditLossesRecognizedInEarningsInWhichAPortionOfLossesAreRecognizedInComprehensiveIncomeLossCreditLossesOnDebtSecuritiesHeld	0	USD
CY2021Q1	pra	Credit Losses Recognized In Earnings In Which A Portion Of Losses Are Recognized In Comprehensive Income Loss Credit Losses On Debt Securities Held CreditLossesRecognizedInEarningsInWhichAPortionOfLossesAreRecognizedInComprehensiveIncomeLossCreditLossesOnDebtSecuritiesHeld	0	USD
CY2021Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	7900000	USD
CY2022Q1	us-gaap	Income Tax Receivable IncomeTaxReceivable	7900000	USD
CY2022Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3400000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3400000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	400000	USD
CY2022Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	400000	USD
CY2022Q1	pra	Minimum Period For Claims Resolution MinimumPeriodForClaimsResolution	P5Y
CY2022Q1	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-top:5pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Activity in the reserve for losses and loss adjustment expenses is summarized as follows:</span></div><div style="margin-top:10pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:84.649%"><tr><td style="width:1.0%"/><td style="width:47.086%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.343%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.663%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.480%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.663%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.965%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">(In thousands)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Three Months Ended March 31, 2022</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Three Months Ended March 31, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year Ended December 31, 2021</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Balance, beginning of year</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 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%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">3,579,940</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,417,179 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,417,179 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less reinsurance recoverables on unpaid losses and loss adjustment expenses</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">451,741</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">385,087 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">385,087 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Net balance, beginning of year</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">3,128,199</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,032,092 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,032,092 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;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:400;line-height:100%">Net reserves acquired from NORCAL acquisition</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,089,103 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Net losses:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:27pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">214,753</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">154,634 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">797,732 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:27pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Favorable development of reserves established in prior years, net</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(2)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(5,330)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,849)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(45,483)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 39.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">209,423</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149,785 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">752,249 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Paid related to:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 16pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(13,179)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,513)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(109,925)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 16pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(185,977)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(126,534)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(635,320)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 27.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total paid</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(199,156)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(137,047)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(745,245)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Net balance, end of period</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">3,138,466</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,044,830 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,128,199 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Plus reinsurance recoverables on unpaid losses and loss adjustment expenses</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">464,780</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">393,420 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">451,741 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;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:400;line-height:100%">Balance, end of period</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 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%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">3,603,246</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,438,250 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,579,940 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div style="margin-top:5pt;padding-left:49.5pt;padding-right:40.5pt;text-align:justify;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Current year net losses for the three months ended March 31, 2022 and year ended December 31, 2021 included $2.5 million and $6.7 million, respectively, of amortization of the negative VOBA associated with NORCAL's assumed unearned premium, which is being amortized over a period in proportion to the earn-out of the associated premium as a reduction to current accident year net losses (see Note 2 of the Notes to Consolidated Financial Statements in ProAssurance's December 31, 2021 report on Form 10-K).</span></div><div style="margin-top:5pt;padding-left:49.5pt;padding-right:40.5pt;text-align:justify;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(2) </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net favorable prior year reserve development recognized for the three months ended March 31, 2022 and year ended December 31, 2021 included $2.9 million and $7.9 million, respectively, of amortization of the purchase accounting fair value adjustment on NORCAL's assumed net reserve and amortization of the negative VOBA associated with NORCAL's DDR reserve which is recorded as a reduction to prior accident year net losses and loss adjustment expenses (see Note 2 of the Notes to Consolidated Financial Statements in ProAssurance's December 31, 2021 report on Form 10-K). ProAssurance has not recognized any development related to NORCAL's prior accident year reserves since the date of acquisition on May 5, 2021.</span></div>
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3579940000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2417179000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2417179000	USD
CY2021Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	451741000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	385087000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	385087000	USD
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3128199000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2032092000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2032092000	USD
CY2022Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	0	USD
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	0	USD
CY2021	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	1089103000	USD
CY2022Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	214753000	USD
CY2021Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	154634000	USD
CY2021	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	797732000	USD
CY2022Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-5330000	USD
CY2021Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-4849000	USD
CY2021	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-45483000	USD
CY2022Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	209423000	USD
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	149785000	USD
CY2022Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3138466000	USD
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2044830000	USD
CY2021	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	752249000	USD
CY2022Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	13179000	USD
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	10513000	USD
CY2021	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	109925000	USD
CY2022Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	185977000	USD
CY2021Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	126534000	USD
CY2021	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	635320000	USD
CY2022Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	199156000	USD
CY2021Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	137047000	USD
CY2021	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	745245000	USD
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3128199000	USD
CY2022Q1	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	464780000	USD
CY2021Q1	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	393420000	USD
CY2021Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	451741000	USD
CY2022Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3603246000	USD
CY2021Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2438250000	USD
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3579940000	USD
CY2022Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	426351000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	425900000	USD
CY2022Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	821000	USD
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	914000	USD
CY2022Q1	us-gaap	Long Term Debt LongTermDebt	425530000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	424986000	USD
CY2022Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2022Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2700000	USD
CY2021Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2700000	USD
CY2022Q1	pra	Stock Repurchase Or Debt Repayment Remaining Authorized Amount StockRepurchaseOrDebtRepaymentRemainingAuthorizedAmount	110000000	USD
CY2022Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-38200000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-8300000	USD
CY2022Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-140808000	USD
CY2022Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	42000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-140850000	USD
CY2021Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-30415000	USD
CY2021Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	3290000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-33705000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54012000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53918000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54143000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53998000	shares
CY2022Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0
CY2021Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0
CY2021Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2022Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5	segment
CY2022Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	5	segment
CY2022Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	265711000	USD
CY2022Q1	us-gaap	Net Investment Income NetInvestmentIncome	20443000	USD
CY2022Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	7620000	USD
CY2022Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-13506000	USD
CY2022Q1	us-gaap	Other Income OtherIncome	2804000	USD
CY2022Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	209423000	USD
CY2022Q1	pra	Underwriting Policy Acquisition And Operating Expense UnderwritingPolicyAcquisitionAndOperatingExpense	70599000	USD
CY2022Q1	pra	Segregated Portfolio Cells Income Tax Expense Benefit SegregatedPortfolioCellsIncomeTaxExpenseBenefit	642000	USD
CY2022Q1	pra	Segregated Portfolio Cells Dividend Expense Income SegregatedPortfolioCellsDividendExpenseIncome	2367000	USD
CY2022Q1	us-gaap	Interest Expense InterestExpense	4441000	USD
CY2022Q1	pra	Income Tax Expense Benefit Excluding Business Acquisition Tax Effect IncomeTaxExpenseBenefitExcludingBusinessAcquisitionTaxEffect	-1770000	USD
CY2022Q1	pra	Segment Profit Loss SegmentProfitLoss	-2630000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-3560000	USD
CY2022Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10350000	USD
CY2021Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	187358000	USD
CY2021Q1	us-gaap	Net Investment Income NetInvestmentIncome	15017000	USD
CY2021Q1	pra	Equity In Earnings Loss Of Unconsolidated Subsidiaries EquityInEarningsLossOfUnconsolidatedSubsidiaries	6788000	USD
CY2021Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	8849000	USD
CY2021Q1	us-gaap	Other Income OtherIncome	2005000	USD
CY2021Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	149785000	USD
CY2021Q1	pra	Underwriting Policy Acquisition And Operating Expense UnderwritingPolicyAcquisitionAndOperatingExpense	56451000	USD
CY2021Q1	pra	Segregated Portfolio Cells Income Tax Expense Benefit SegregatedPortfolioCellsIncomeTaxExpenseBenefit	356000	USD
CY2021Q1	pra	Segregated Portfolio Cells Dividend Expense Income SegregatedPortfolioCellsDividendExpenseIncome	1742000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	3212000	USD
CY2021Q1	pra	Income Tax Expense Benefit Excluding Business Acquisition Tax Effect IncomeTaxExpenseBenefitExcludingBusinessAcquisitionTaxEffect	736000	USD
CY2021Q1	pra	Segment Profit Loss SegmentProfitLoss	7735000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	7735000	USD
CY2021Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6722000	USD
CY2022Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	265711000	USD
CY2021Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	187358000	USD

Files In Submission

Name	View Source	Status
0001875246-22-000007-index-headers.html	Edgar Link	pending
0001875246-22-000007-index.html	Edgar Link	pending
0001875246-22-000007.txt	Edgar Link	pending
0001875246-22-000007-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
pra-20220331.htm	Edgar Link	pending
pra-20220331.xsd	Edgar Link	pending
pra-20220331xex311.htm	Edgar Link	pending
pra-20220331xex312.htm	Edgar Link	pending
pra-20220331xex321.htm	Edgar Link	pending
pra-20220331xex322.htm	Edgar Link	pending
pra-20220331_cal.xml	Edgar Link	unprocessable
pra-20220331_def.xml	Edgar Link	unprocessable
pra-20220331_g1.jpg	Edgar Link	pending
pra-20220331_g2.jpg	Edgar Link	pending
pra-20220331_htm.xml	Edgar Link	completed
pra-20220331_lab.xml	Edgar Link	unprocessable
pra-20220331_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
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$PRA
PROASSURANCE CORP Stock $pra

2022 Q1 Form 10-Q Financial Statement

#000187524622000007 Filed on May 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRA PROASSURANCE CORP Stock $pra

2022 Q1 Form 10-Q Financial Statement

#000187524622000007 Filed on May 09, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRA
PROASSURANCE CORP Stock $pra