XML 64 R32.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investment Securities - Schedule of Investment Securities (Details) (USD $)
0 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Schedule of Available-for-sale and Trading Securities [Line Items]    
Derivative, Notional Amount $ 6,731,092,000 $ 6,815,268,000
Investment Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 2,442,827,000 2,495,006,000
Available-for-sale Securities, Amortized Cost Basis 2,455,588,000 2,504,124,000
Available-for-sale Securities, Unrealized Gains 17,520,000 18,025,000
Available-for-sale Securities, Unrealized Losses (17,256,000) (23,767,000)
Available-for-sale securities 2,455,852,000 2,498,382,000
Debt Instrument, Unamortized Discount (Premium), Net 12,761,000 9,118,000
Marketable Securities 2,446,653,000 2,499,333,000
Marketable Securities, Amortized Cost 2,459,414,000 2,508,451,000
Marketable Securities, Unrealized Gains 17,520,000 18,025,000
Marketable Securities, Unrealized Losses (20,018,000) (26,847,000)
Marketable Securities 2,456,916,000 2,499,629,000
Floating Interest Rate [Member] | Auction-rate certificates backed by Government guaranteed student loans
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 74,100,000 74,100,000
Available-for-sale Securities, Amortized Cost Basis 74,100,000 74,100,000
Available-for-sale Securities, Unrealized Gains 0 0
Available-for-sale Securities, Unrealized Losses (9,012,000) (10,941,000)
Available-for-sale securities 65,088,000 63,159,000
Floating Interest Rate [Member] | Asset-backed Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 158,223,000 150,519,000
Available-for-sale Securities, Amortized Cost Basis 157,930,000 150,147,000
Available-for-sale Securities, Unrealized Gains 690,000 933,000
Available-for-sale Securities, Unrealized Losses (328,000) (36,000)
Available-for-sale securities 158,292,000 151,044,000
Trading, at fair value 3,826,000 4,327,000
Trading Securities Amortized Cost 3,826,000 4,327,000
Trading Securities, Unrealized Gains 0 0
Trading Securities, Unrealized Losses (2,762,000) (3,080,000)
Trading securities 1,064,000 1,247,000
Floating Interest Rate [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 104,345,000 76,345,000
Available-for-sale Securities, Amortized Cost Basis 104,334,000 76,313,000
Available-for-sale Securities, Unrealized Gains 359,000 450,000
Available-for-sale Securities, Unrealized Losses (37,000) 0
Available-for-sale securities 104,656,000 76,763,000
Floating Interest Rate [Member] | Government/GSE Guaranteed Mortgage Backed Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 651,590,000 699,062,000
Available-for-sale Securities, Amortized Cost Basis 657,070,000 705,035,000
Available-for-sale Securities, Unrealized Gains 8,033,000 8,035,000
Available-for-sale Securities, Unrealized Losses (996,000) (211,000)
Available-for-sale securities 664,107,000 712,859,000
Floating Interest Rate [Member] | GSE Subordinated Debt
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 70,000,000 70,000,000
Available-for-sale Securities, Amortized Cost Basis 70,000,000 70,000,000
Available-for-sale Securities, Unrealized Gains 0 0
Available-for-sale Securities, Unrealized Losses (6,679,000) (12,569,000)
Available-for-sale securities 63,321,000 57,431,000
Floating Interest Rate [Member] | Senior Agency Debt Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 50,000,000 50,000,000
Available-for-sale Securities, Amortized Cost Basis 49,999,000 49,994,000
Available-for-sale Securities, Unrealized Gains 33,000 61,000
Available-for-sale Securities, Unrealized Losses 0 0
Available-for-sale securities 50,032,000 50,055,000
Fixed Interest Rate [Member] | Asset-backed Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value   6,501,000
Available-for-sale Securities, Amortized Cost Basis   6,501,000
Available-for-sale Securities, Unrealized Gains   0
Available-for-sale Securities, Unrealized Losses   0
Available-for-sale securities   6,501,000
Fixed Interest Rate [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 65,000,000 51,969,000
Available-for-sale Securities, Amortized Cost Basis 65,144,000 52,212,000
Available-for-sale Securities, Unrealized Gains 54,000 204,000
Available-for-sale Securities, Unrealized Losses (133,000) 0
Available-for-sale securities 65,065,000 52,416,000
Fixed Interest Rate [Member] | Government/GSE Guaranteed Mortgage Backed Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 1,434,000 [1] 1,910,000
Available-for-sale Securities, Amortized Cost Basis 5,612,000 [1] 1,911,000
Available-for-sale Securities, Unrealized Gains 221,000 [1] 154,000
Available-for-sale Securities, Unrealized Losses 0 [1] 0
Available-for-sale securities 5,833,000 [1] 2,065,000
Derivative, Notional Amount 152,400,000  
Fixed Interest Rate [Member] | Senior Agency Debt Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 119,000,000 72,700,000
Available-for-sale Securities, Amortized Cost Basis 119,369,000 72,987,000
Available-for-sale Securities, Unrealized Gains 102,000 128,000
Available-for-sale Securities, Unrealized Losses (4,000) (1,000)
Available-for-sale securities 119,467,000 73,114,000
Fixed Interest Rate [Member] | US Treasury Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 1,052,000,000 1,163,400,000
Available-for-sale Securities, Amortized Cost Basis 1,054,233,000 1,165,640,000
Available-for-sale Securities, Unrealized Gains 214,000 258,000
Available-for-sale Securities, Unrealized Losses (66,000) (9,000)
Available-for-sale securities 1,054,381,000 1,165,889,000
Fixed Interest Rate [Member] | GSE Preferred Stock
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 78,500,000 78,500,000
Available-for-sale Securities, Amortized Cost Basis 79,079,000 79,284,000
Available-for-sale Securities, Unrealized Gains 7,810,000 7,802,000
Available-for-sale Securities, Unrealized Losses 0 0
Available-for-sale securities 86,889,000 87,086,000
Fixed Interest Rate [Member] | Taxable Municipal Bonds [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 18,635,000  
Available-for-sale Securities, Amortized Cost Basis 18,718,000  
Available-for-sale Securities, Unrealized Gains 4,000  
Available-for-sale Securities, Unrealized Losses (1,000)  
Available-for-sale securities 18,721,000  
Investment Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Available-for-sale, at fair value 2,455,852,000 2,498,382,000
Trading, at fair value 1,064,000 1,247,000
Marketable Securities 2,456,916,000 2,499,629,000
Available-for-sale Securities [Member] | Investment Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 12,761,000 9,118,000
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | Auction-rate certificates backed by Government guaranteed student loans
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 0 0
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | Asset-backed Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net (293,000) (372,000)
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net (11,000) (32,000)
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | Government/GSE Guaranteed Mortgage Backed Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 5,480,000 5,973,000
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | GSE Subordinated Debt
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 0 0
Available-for-sale Securities [Member] | Floating Interest Rate [Member] | Senior Agency Debt Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net (1,000) (6,000)
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Interest-Only-Strip [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 4,300,000  
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Asset-backed Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net   0
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 144,000 243,000
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Government/GSE Guaranteed Mortgage Backed Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 4,178,000 [1] 1,000
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Senior Agency Debt Securities
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 369,000 287,000
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | US Treasury Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 2,233,000 2,240,000
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | GSE Preferred Stock
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 579,000 784,000
Available-for-sale Securities [Member] | Fixed Interest Rate [Member] | Taxable Municipal Bonds [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net 83,000  
Trading Account Assets [Member] | Floating Interest Rate [Member] | Asset-backed Securities [Member]
   
Schedule of Available-for-sale and Trading Securities [Line Items]    
Debt Instrument, Unamortized Discount (Premium), Net $ 0 $ 0
[1] Fair value includes $4.3 million of an interest-only security with a notional amount of $152.4 million.