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Label Element Value
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 $ 154,346,000
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption (18,000)
Retained Earnings [Member]  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 (136,462,000)
Cumulative Effect of New Accounting Principle in Period of Adoption us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption (18,000)
Comprehensive Income [Member]  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 513,000
Additional Paid-in Capital [Member]  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 $ 290,216,000
Preferred Stock [Member]  
Shares, Outstanding us-gaap_SharesOutstanding 0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 $ 0
Public And Common Stock [Member]  
Shares, Outstanding us-gaap_SharesOutstanding 7,882,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1 $ 79,000
Employee Stock Option [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 $ 40.741
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 620,553