Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale and Other Securities (Maturities/Unrealized) (Details)

v2.4.0.6
Available-for-Sale and Other Securities (Maturities/Unrealized) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Investment maturity date range    
Fair Value, Total $ 186,820 $ 194,062
Available-for-sale and other securities 8,666,778 8,078,014
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Unrealized Gross Losses 146,338 165,080
Available-for-sale and other securities 8,666,778 8,078,014
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 588,453 1,294,714
Total temporarily impaired securities, less than 12 months, Unrealized Losses 4,228 13,478
Total temporarily impaired securities, over 12 months, Fair Value 410,054 385,035
Total temporarily impaired securities, over 12 months, Unrealized Losses 142,110 151,602
Total temporarily impaired securities, Fair Value 998,507 1,679,749
Total investment securities, Unrealized Gross Losses 146,338 165,080
U.S. Treasury [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 0 0
Fair Value, Under 1 year 0 0
Amortized Cost, 1-5 years 51,446 51,773
Fair Value, 1-5 years 52,180 52,672
Amortized Cost, 6-10 years 509 509
Fair Value, 6-10 years 538 532
Amortized Cost, Over 10 years 0 0
Fair Value, Over 10 years 0 0
Amortized Cost, Total 51,955 52,282
Fair Value, Total 52,718 53,204
Total investment securities, Amortized Cost 51,955 52,282
Available-for-sale and other securities 52,718 53,204
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 51,955 52,282
Total investment securities, Unrealized Gross Gains 763 922
Total investment securities, Unrealized Gross Losses 0 0
Available-for-sale and other securities 52,718 53,204
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 0 0
Total temporarily impaired securities, less than 12 months, Unrealized Losses 0 0
Total temporarily impaired securities, over 12 months, Fair Value 0 0
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 0
Total temporarily impaired securities, Fair Value 0 0
Total investment securities, Unrealized Gross Losses 0 0
Total U.S. Government backed agencies [Member]
    
Investment maturity date range    
Amortized Cost, Total 5,840,719 5,155,631
Fair Value, Total 5,942,480 5,253,640
Total investment securities, Amortized Cost 5,840,719 5,155,631
Available-for-sale and other securities 5,942,480 5,253,640
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 5,840,719 5,155,631
Total investment securities, Unrealized Gross Gains 104,399 100,009
Total investment securities, Unrealized Gross Losses 2,638 2,000
Available-for-sale and other securities 5,942,480 5,253,640
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 443,358 420,684
Total temporarily impaired securities, less than 12 months, Unrealized Losses 2,638 2,000
Total temporarily impaired securities, over 12 months, Fair Value 0 0
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 0
Total temporarily impaired securities, Fair Value 443,358 420,684
Total investment securities, Unrealized Gross Losses 2,638 2,000
Automobile Asset Backed securities [Member]
    
Investment maturity date range    
Fair Value, Total 67,000 145,000
Federal agencies - mortgage backed securities [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 3 0
Fair Value, Under 1 year 3 0
Amortized Cost, 1-5 years 201,011 218,410
Fair Value, 1-5 years 202,701 219,055
Amortized Cost, 6-10 years 439,964 400,105
Fair Value, 6-10 years 451,257 409,521
Amortized Cost, Over 10 years 4,467,222 3,760,108
Fair Value, Over 10 years 4,540,056 3,836,316
Total investment securities, Amortized Cost 5,108,200 4,378,623
Available-for-sale and other securities 5,194,017 4,464,892
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 5,108,200 4,378,623
Total investment securities, Unrealized Gross Gains 88,436 88,266
Total investment securities, Unrealized Gross Losses 2,619 1,997
Available-for-sale and other securities 5,194,017 4,464,892
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 441,849 417,614
Total temporarily impaired securities, less than 12 months, Unrealized Losses 2,619 1,997
Total temporarily impaired securities, over 12 months, Fair Value 0 0
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 0
Total temporarily impaired securities, Fair Value 441,849 417,614
Total investment securities, Unrealized Gross Losses 2,619 1,997
Federal agencies - mortgage backed securities [Member] | Total U.S. Government backed agencies [Member]
    
Investment maturity date range    
Amortized Cost, Total 5,108,200 4,378,623
Fair Value, Total 5,194,017 4,464,892
Private label CMO [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 0 0
Fair Value, Under 1 year 0 0
Amortized Cost, 1-5 years 0 0
Fair Value, 1-5 years 0 0
Amortized Cost, 6-10 years 9,254 11,740
Fair Value, 6-10 years 9,325 11,783
Amortized Cost, Over 10 years 65,246 72,858
Fair Value, Over 10 years 57,820 60,581
Amortized Cost, Total 74,500 84,598
Fair Value, Total 67,145 72,364
Total investment securities, Amortized Cost 74,500 84,598
Available-for-sale and other securities 67,145 72,364
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 74,500 84,598
Total investment securities, Unrealized Gross Gains 955 347
Total investment securities, Unrealized Gross Losses 8,310 12,581
Available-for-sale and other securities 67,145 72,364
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 0 11,613
Total temporarily impaired securities, less than 12 months, Unrealized Losses 0 48
Total temporarily impaired securities, over 12 months, Fair Value 50,081 51,039
Total temporarily impaired securities, over 12 months, Unrealized Losses 8,310 12,533
Total temporarily impaired securities, Fair Value 50,081 62,652
Total investment securities, Unrealized Gross Losses 8,310 12,581
Other Federal Agencies [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 1,247 101,346
Fair Value, Under 1 year 1,284 101,656
Amortized Cost, 1-5 years 610,968 611,047
Fair Value, 1-5 years 624,625 620,639
Amortized Cost, 6-10 years 53,349 12,333
Fair Value, 6-10 years 54,836 13,249
Amortized Cost, Over 10 years 15,000 0
Fair Value, Over 10 years 15,000 0
Amortized Cost, Total 680,564 724,726
Fair Value, Total 695,745 735,544
Total investment securities, Amortized Cost 680,564 724,726
Available-for-sale and other securities 695,745 735,544
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 680,564 724,726
Total investment securities, Unrealized Gross Gains 15,200 10,821
Total investment securities, Unrealized Gross Losses 19 3
Available-for-sale and other securities 695,745 735,544
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 1,509 3,070
Total temporarily impaired securities, less than 12 months, Unrealized Losses 19 3
Total temporarily impaired securities, over 12 months, Fair Value 0 0
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 0
Total temporarily impaired securities, Fair Value 1,509 3,070
Total investment securities, Unrealized Gross Losses 19 3
Municipal securities [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 0 0
Fair Value, Under 1 year 0 0
Amortized Cost, 1-5 years 182,086 186,250
Fair Value, 1-5 years 186,353 190,228
Amortized Cost, 6-10 years 114,392 98,801
Fair Value, 6-10 years 121,314 104,857
Amortized Cost, Over 10 years 70,894 109,811
Fair Value, Over 10 years 71,994 112,641
Amortized Cost, Total 367,372 394,862
Fair Value, Total 379,661 407,726
Total investment securities, Amortized Cost 367,372 394,862
Available-for-sale and other securities 379,661 407,726
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 367,372 394,862
Total investment securities, Unrealized Gross Gains 12,289 12,889
Total investment securities, Unrealized Gross Losses 0 25
Available-for-sale and other securities 379,661 407,726
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 229 6,667
Total temporarily impaired securities, less than 12 months, Unrealized Losses 0 1
Total temporarily impaired securities, over 12 months, Fair Value 0 7,311
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 24
Total temporarily impaired securities, Fair Value 229 13,978
Total investment securities, Unrealized Gross Losses 0 25
Other Asset Backed Securities [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 3,253 0
Fair Value, Under 1 year 3,249 0
Amortized Cost, 1-5 years 619,571 644,080
Fair Value, 1-5 years 625,053 646,315
Amortized Cost, 6-10 years 250,635 197,940
Fair Value, 6-10 years 254,465 199,075
Amortized Cost, Over 10 years 309,067 258,270
Fair Value, Over 10 years 177,693 121,698
Amortized Cost, Total 1,182,526 1,100,290
Fair Value, Total 1,060,460 967,088
Total investment securities, Amortized Cost 1,182,526 1,100,290
Available-for-sale and other securities 1,060,460 967,088
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 1,182,526 1,100,290
Total investment securities, Unrealized Gross Gains 9,413 3,925
Total investment securities, Unrealized Gross Losses 131,479 137,127
Available-for-sale and other securities 1,060,460 967,088
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 55,203 252,671
Total temporarily impaired securities, less than 12 months, Unrealized Losses 48 547
Total temporarily impaired securities, over 12 months, Fair Value 115,260 113,663
Total temporarily impaired securities, over 12 months, Unrealized Losses 131,431 136,580
Total temporarily impaired securities, Fair Value 170,463 366,334
Total investment securities, Unrealized Gross Losses 131,479 137,127
Covered Bonds [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 0 0
Fair Value, Under 1 year 0 0
Amortized Cost, 1-5 years 282,814 510,937
Fair Value, 1-5 years 287,649 504,045
Amortized Cost, 6-10 years 0 0
Fair Value, 6-10 years 0 0
Amortized Cost, Over 10 years 0 0
Fair Value, Over 10 years 0 0
Amortized Cost, Total 282,814 510,937
Fair Value, Total 287,649 504,045
Total investment securities, Amortized Cost 282,814 510,937
Available-for-sale and other securities 287,649 504,045
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 282,814 510,937
Total investment securities, Unrealized Gross Gains 4,835 860
Total investment securities, Unrealized Gross Losses 0 7,752
Available-for-sale and other securities 287,649 504,045
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 0 363,694
Total temporarily impaired securities, less than 12 months, Unrealized Losses 0 7,214
Total temporarily impaired securities, over 12 months, Fair Value 0 14,684
Total temporarily impaired securities, over 12 months, Unrealized Losses 0 538
Total temporarily impaired securities, Fair Value 0 378,378
Total investment securities, Unrealized Gross Losses 0 7,752
Corporate debt [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 1,501 501
Fair Value, Under 1 year 1,528 518
Amortized Cost, 1-5 years 463,162 383,909
Fair Value, 1-5 years 464,069 379,657
Amortized Cost, 6-10 years 97,293 148,896
Fair Value, 6-10 years 99,095 148,708
Amortized Cost, Over 10 years 10,162 0
Fair Value, Over 10 years 9,953 0
Amortized Cost, Total 572,118 533,306
Fair Value, Total 574,645 528,883
Total investment securities, Amortized Cost 572,118 533,306
Available-for-sale and other securities 574,645 528,883
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 572,118 533,306
Total investment securities, Unrealized Gross Gains 6,303 891
Total investment securities, Unrealized Gross Losses 3,776 5,314
Available-for-sale and other securities 574,645 528,883
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 89,663 237,401
Total temporarily impaired securities, less than 12 months, Unrealized Losses 1,542 3,652
Total temporarily impaired securities, over 12 months, Fair Value 242,766 198,338
Total temporarily impaired securities, over 12 months, Unrealized Losses 2,234 1,662
Total temporarily impaired securities, Fair Value 332,429 435,739
Total investment securities, Unrealized Gross Losses 3,776 5,314
Other Securities [Member]
    
Investment maturity date range    
Amortized Cost, Under 1 year 3,150 1,900
Fair Value, Under 1 year 3,143 1,900
Amortized Cost, 1-5 years 750 2,250
Fair Value, 1-5 years 750 2,234
Amortized Cost, 6-10 years 0 0
Fair Value, 6-10 years 0 0
Amortized Cost, Over 10 years 0 0
Fair Value, Over 10 years 0 0
Amortized Cost, Total 354,405 344,330
Fair Value, Total 354,738 344,268
Non-marketable equity securities, Amortized Cost Non-marketable equity securities, Amortized Cost 296,034 286,515
Marketable equity securities, Amortized Cost 54,471 53,665
Total investment securities, Amortized Cost 354,405 344,330
Non-marketable equity securities, Fair Value 296,034 286,515
Marketable equity securities, fair value 54,811 53,619
Available-for-sale and other securities 354,738 344,268
Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income    
Total investment securities, Amortized Cost 354,405 344,330
Total investment securities, Unrealized Gross Gains 468 219
Total investment securities, Unrealized Gross Losses 135 281
Available-for-sale and other securities 354,738 344,268
Investment securities in unrealized loss position    
Total temporarily impaired securities, less than 12 months, Fair value 0 1,984
Total temporarily impaired securities, less than 12 months, Unrealized Losses 0 16
Total temporarily impaired securities, over 12 months, Fair Value 1,947 0
Total temporarily impaired securities, over 12 months, Unrealized Losses 135 265
Total temporarily impaired securities, Fair Value 1,947 1,984
Total investment securities, Unrealized Gross Losses $ 135 $ 281