v2.4.0.8
Accumulated Other Comprehensive Income (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax $ (12,044) [1] $ 20,149 [1]  
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (32,159) [1]    
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (34) [1],[2]    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent (32,193) [1] (4,984) 12,852
Accumulated Defined Benefit Plans Adjustment [Member]
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax (1,936) [1] (769) [1]  
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (1,432) [1]    
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 265 [1],[2]    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent (1,167) [1]    
Accumulated Net Unrealized Investment Gain (Loss) [Member]
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax (10,108) [1] 20,918 [1]  
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (30,727) [1]    
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (299) [1],[2]    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ (31,026) [1]    
[1] (1) All amounts are net of tax. Amounts in parenthesis indicate debits.
[2] (2) See following table for details about these reclassifications.