Fair Values of Assets and Liabilities (Recurring basis) (Details) (USD $) In Thousands, unless otherwise specified
|
Jun. 30, 2012
|
Dec. 31, 2011
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
$ 570,189
|
$ 343,588
|
Recurring Basis [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
570,189
|
343,588
|
Trading account securities |
53,837
|
45,899
|
Available-for-sale and other securities |
8,370,745
|
7,791,499
|
Automobile loans |
210,031
|
296,250
|
MSR's |
45,061
|
65,001
|
Derivative assets |
403,753
|
403,002
|
Liabilities measured at fair value on a recurring basis |
|
|
Securitization trust notes payable |
32,794
|
123,039
|
Derivative liabilities |
190,073
|
265,316
|
Other liabilities |
0
|
751
|
Recurring Basis [Member] | U.S. Treasury [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
52,718
|
53,204
|
Recurring Basis [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
3,775
|
5,541
|
Available-for-sale and other securities |
5,194,017
|
4,464,892
|
Recurring Basis [Member] | Federal agencies: Other agencies [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
695,745
|
735,544
|
Recurring Basis [Member] | Municipal securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
15,537
|
8,147
|
Available-for-sale and other securities |
379,661
|
407,726
|
Recurring Basis [Member] | Private label CMO [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
67,145
|
72,364
|
Recurring Basis [Member] | Asset-backed Securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
1,060,460
|
967,088
|
Recurring Basis [Member] | Covered Bonds [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
287,649
|
504,045
|
Recurring Basis [Member] | Corporate debt [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
574,645
|
528,883
|
Recurring Basis [Member] | Other securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
34,525
|
32,211
|
Available-for-sale and other securities |
58,705
|
57,753
|
Recurring Basis [Member] | Level 1 [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
0
|
0
|
Trading account securities |
34,007
|
32,085
|
Available-for-sale and other securities |
107,530
|
106,823
|
Automobile loans |
0
|
0
|
MSR's |
0
|
0
|
Derivative assets |
4,293
|
4,886
|
Liabilities measured at fair value on a recurring basis |
|
|
Securitization trust notes payable |
0
|
0
|
Derivative liabilities |
11,658
|
12,245
|
Other liabilities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | U.S. Treasury [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
52,718
|
53,204
|
Recurring Basis [Member] | Level 1 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Federal agencies: Other agencies [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Municipal securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Private label CMO [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Asset-backed Securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Covered Bonds [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Corporate debt [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 1 [Member] | Other securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
34,007
|
32,085
|
Available-for-sale and other securities |
54,812
|
53,619
|
Recurring Basis [Member] | Level 2 [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
570,189
|
343,588
|
Trading account securities |
19,830
|
13,814
|
Available-for-sale and other securities |
7,998,245
|
7,395,522
|
Automobile loans |
0
|
0
|
MSR's |
0
|
0
|
Derivative assets |
496,263
|
485,428
|
Liabilities measured at fair value on a recurring basis |
|
|
Securitization trust notes payable |
32,794
|
123,039
|
Derivative liabilities |
258,682
|
246,132
|
Other liabilities |
0
|
751
|
Recurring Basis [Member] | Level 2 [Member] | U.S. Treasury [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 2 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
3,775
|
5,541
|
Available-for-sale and other securities |
5,194,017
|
4,464,892
|
Recurring Basis [Member] | Level 2 [Member] | Federal agencies: Other agencies [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
695,745
|
735,544
|
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
15,537
|
8,147
|
Available-for-sale and other securities |
301,510
|
312,634
|
Recurring Basis [Member] | Level 2 [Member] | Private label CMO [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 2 [Member] | Asset-backed Securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
940,786
|
845,390
|
Recurring Basis [Member] | Level 2 [Member] | Covered Bonds [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
287,649
|
504,045
|
Recurring Basis [Member] | Level 2 [Member] | Corporate debt [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
574,645
|
528,883
|
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
518
|
126
|
Available-for-sale and other securities |
3,893
|
4,134
|
Recurring Basis [Member] | Level 3 [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
0
|
0
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
264,970
|
289,154
|
Automobile loans |
210,031
|
296,250
|
MSR's |
45,061
|
65,001
|
Derivative assets |
12,844
|
6,770
|
Liabilities measured at fair value on a recurring basis |
|
|
Securitization trust notes payable |
0
|
0
|
Derivative liabilities |
453
|
6,939
|
Other liabilities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | U.S. Treasury [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | Federal agencies: Other agencies [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | Municipal securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
78,151
|
95,092
|
Recurring Basis [Member] | Level 3 [Member] | Private label CMO [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
67,145
|
72,364
|
Recurring Basis [Member] | Level 3 [Member] | Asset-backed Securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
119,674
|
121,698
|
Recurring Basis [Member] | Level 3 [Member] | Covered Bonds [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | Corporate debt [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Level 3 [Member] | Other securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Mortgage loans held for sale |
0
|
0
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Automobile loans |
0
|
0
|
MSR's |
0
|
0
|
Derivative assets |
(109,647)
|
(94,082)
|
Liabilities measured at fair value on a recurring basis |
|
|
Securitization trust notes payable |
0
|
0
|
Derivative liabilities |
(80,720)
|
0
|
Other liabilities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | U.S. Treasury [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies - mortgage backed securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies: Other agencies [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Municipal securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Private label CMO [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Asset-backed Securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Covered Bonds [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Corporate debt [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Available-for-sale and other securities |
0
|
0
|
Recurring Basis [Member] | Netting Adjustments [Member] | Other securities [Member]
|
|
|
Assets measured at fair value on a recurring basis |
|
|
Trading account securities |
0
|
0
|
Available-for-sale and other securities |
$ 0
|
$ 0
|