XML 52 R41.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments (Unrealized Losses) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Investment securities available for sale:    
Fair Value, Less than 12 months $ 411,279 $ 5,340,271
Unrealized Losses, Less than 12 months 3,187 24,777
Fair Value, 12 months or more 197,332 280,126
Unrealized Losses, Greater than 12 months 1,039 6,094
Fair Value, Total 608,611 5,620,397
Unrealized Losses, Total 4,226 30,871
U. S. Treasury    
Investment securities available for sale:    
Fair Value, Less than 12 months   1,539,637
Unrealized Losses, Less than 12 months   1,118
Fair Value, 12 months or more   0
Unrealized Losses, Greater than 12 months   0
Fair Value, Total   1,539,637
Unrealized Losses, Total 0 1,118
Government Agency    
Investment securities available for sale:    
Fair Value, Less than 12 months   229,436
Unrealized Losses, Less than 12 months   374
Fair Value, 12 months or more   0
Unrealized Losses, Greater than 12 months   0
Fair Value, Total   229,436
Unrealized Losses, Total 0 374
Mortgage Backed Securities    
Investment securities available for sale:    
Fair Value, Less than 12 months 364,840 3,570,470
Unrealized Losses, Less than 12 months 1,236 23,275
Fair Value, 12 months or more 197,332 280,126
Unrealized Losses, Greater than 12 months 1,039 6,094
Fair Value, Total 562,172 3,850,596
Unrealized Losses, Total 2,275 29,369
Equity Securities    
Investment securities available for sale:    
Fair Value, Less than 12 months 44,489 728
Unrealized Losses, Less than 12 months 1,786 10
Fair Value, 12 months or more 0 0
Unrealized Losses, Greater than 12 months 0 0
Fair Value, Total 44,489 728
Unrealized Losses, Total 1,786 10
Other Debt Obligations    
Investment securities available for sale:    
Fair Value, Less than 12 months 1,950  
Unrealized Losses, Less than 12 months 165  
Fair Value, 12 months or more 0  
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses Acumulated In Investments 0  
Fair Value, Total 1,950  
Unrealized Losses, Total $ 165 $ 0