XML 52 R64.htm IDEA: XBRL DOCUMENT v2.4.0.8
Comprehensive Income - Accumulated Other Comprehensive Income (Loss), Net Consisted of Unrealized Gains (Losses) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     $ (240,264) $ (356,441)
Net gain (loss) during period (1,818) 53,409 12,493 78,592
Ending Balance (227,771) (277,849) (227,771) (277,849)
Defined Benefit Plans [Member]
       
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (276,771)  
Net gain (loss) during period     10,182  
Ending Balance (266,589)   (266,589)  
Other [Member]
       
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (284)  
Net gain (loss) during period     (1,046)  
Ending Balance (1,330)   (1,330)  
Investment Securities [Member] | Investment Securities With OTTI [Member]
       
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     (55,790)  
Net gain (loss) during period     64,759  
Ending Balance 8,969   8,969  
Investment Securities [Member] | Investment Securities All Other [Member]
       
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     92,581  
Net gain (loss) during period     (61,402)  
Ending Balance $ 31,179   $ 31,179