|
Fair Values of Assets and Liabilities (Recurring basis) (Details) (USD $)
In Thousands, unless otherwise specified
|
Mar. 31, 2014
|
Dec. 31, 2013
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
$ 40,439
|
$ 35,573
|
| Available-for-sale and other securities |
7,754,790
|
7,308,753
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Short-term borrowings |
|
(1,089)
|
|
Recurring Basis [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
280,108
|
278,928
|
| Trading account securities |
40,439
|
35,573
|
| Available-for-sale and other securities |
7,431,639
|
6,987,762
|
| Automobile loans |
37,268
|
52,286
|
| MSR's |
30,628
|
34,236
|
| Derivative assets |
226,929
|
200,029
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
150,919
|
129,274
|
| Other liabilities |
0
|
|
|
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 |
50,989
|
51,604
|
|
Recurring Basis [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 |
4,565,879
|
3,566,221
|
|
Recurring Basis [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
834
|
| Available-for-sale and other securities |
134,600
|
319,888
|
|
Recurring Basis [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
4,418
|
2,180
|
| Available-for-sale and other securities |
1,225,986
|
1,145,992
|
|
Recurring Basis [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
47,527
|
49,104
|
|
Recurring Basis [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
933,356
|
1,091,040
|
|
Recurring Basis [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
285,874
|
|
Recurring Basis [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
452,420
|
457,240
|
|
Recurring Basis [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
36,021
|
32,559
|
| Available-for-sale and other securities |
20,882
|
20,799
|
|
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 |
33,015
|
32,081
|
| Available-for-sale and other securities |
68,051
|
68,575
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
62,174
|
36,774
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
49,853
|
22,787
|
| Other liabilities |
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 |
50,989
|
51,604
|
|
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] | Mortgage-backed Securities, Issued by Private Enterprises [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 |
33,015
|
32,081
|
| Available-for-sale and other securities |
17,062
|
16,971
|
|
Recurring Basis [Member] | Level 2 [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
280,108
|
278,928
|
| Trading account securities |
7,424
|
3,492
|
| Available-for-sale and other securities |
6,487,344
|
6,125,091
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
218,416
|
219,045
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
123,706
|
124,123
|
| Other liabilities |
0
|
|
| Short-term borrowings |
|
(1,089)
|
|
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 |
0
|
0
|
| Available-for-sale and other securities |
4,565,879
|
3,566,221
|
|
Recurring Basis [Member] | Level 2 [Member] | Federal agencies: Other agencies [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
0
|
834
|
| Available-for-sale and other securities |
134,600
|
319,888
|
|
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
4,418
|
2,180
|
| Available-for-sale and other securities |
491,608
|
491,455
|
|
Recurring Basis [Member] | Level 2 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
15,630
|
16,964
|
|
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 |
823,387
|
983,621
|
|
Recurring Basis [Member] | Level 2 [Member] | Covered Bonds [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
0
|
285,874
|
|
Recurring Basis [Member] | Level 2 [Member] | Corporate debt [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
452,420
|
457,240
|
|
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
3,006
|
478
|
| Available-for-sale and other securities |
3,820
|
3,828
|
|
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 |
876,244
|
794,096
|
| Automobile loans |
37,268
|
52,286
|
| MSR's |
30,628
|
34,236
|
| Derivative assets |
4,525
|
3,066
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
825
|
676
|
| Other liabilities |
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 |
734,378
|
654,537
|
|
Recurring Basis [Member] | Level 3 [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
31,897
|
32,140
|
|
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 |
109,969
|
107,419
|
|
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
|
|
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 |
(58,186)
|
(58,856)
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
(23,465)
|
(18,312)
|
| Other liabilities |
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] | Mortgage-backed Securities, Issued by Private Enterprises [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
|