XML 32 R7.htm IDEA: XBRL DOCUMENT v2.4.1.9
CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Change in unrealized investment gains (losses), tax amount $ 2,390us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
Class A  
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Class A | Common Stock  
Stock issued during period (in shares) 1,115us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember