|
Fair Values of Assets and Liabilities (Recurring basis) (Details) (USD $)
In Thousands, unless otherwise specified
|
Jun. 30, 2014
|
Dec. 31, 2013
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
$ 50,541
|
$ 35,573
|
| Available-for-sale and other securities |
8,491,037
|
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 |
316,182
|
278,928
|
| Trading account securities |
50,541
|
35,573
|
| Available-for-sale and other securities |
8,159,977
|
6,987,762
|
| Automobile loans |
25,498
|
52,286
|
| MSR's |
26,747
|
34,236
|
| Derivative assets |
225,929
|
200,029
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
122,840
|
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 |
50,709
|
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 |
4,747,866
|
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 |
139,626
|
319,888
|
|
Recurring Basis [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
8,598
|
2,180
|
| Available-for-sale and other securities |
1,693,421
|
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 |
45,799
|
49,104
|
|
Recurring Basis [Member] | Asset-backed Securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Available-for-sale and other securities |
979,998
|
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 |
480,465
|
457,240
|
|
Recurring Basis [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
41,943
|
32,559
|
| Available-for-sale and other securities |
22,093
|
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 |
36,446
|
32,081
|
| Available-for-sale and other securities |
68,986
|
68,575
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
30,180
|
36,774
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
35,561
|
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 |
50,709
|
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 |
36,446
|
32,081
|
| Available-for-sale and other securities |
18,277
|
16,971
|
|
Recurring Basis [Member] | Level 2 [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Mortgage loans held for sale |
316,182
|
278,928
|
| Trading account securities |
14,095
|
3,492
|
| Available-for-sale and other securities |
6,746,442
|
6,125,091
|
| Automobile loans |
0
|
0
|
| MSR's |
0
|
0
|
| Derivative assets |
250,809
|
219,045
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
114,347
|
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 |
4,747,866
|
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 |
139,626
|
319,888
|
|
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
8,598
|
2,180
|
| Available-for-sale and other securities |
486,966
|
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 |
14,166
|
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 |
873,537
|
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 |
480,465
|
457,240
|
|
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
|
|
|
| Assets measured at fair value on a recurring basis |
|
|
| Trading account securities |
5,497
|
478
|
| Available-for-sale and other securities |
3,816
|
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 |
1,344,549
|
794,096
|
| Automobile loans |
25,498
|
52,286
|
| MSR's |
26,747
|
34,236
|
| Derivative assets |
6,779
|
3,066
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
583
|
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 |
1,206,455
|
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 |
31,633
|
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 |
106,461
|
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 |
(61,839)
|
(58,856)
|
| Liabilities measured at fair value on a recurring basis |
|
|
| Derivatives |
(27,651)
|
(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
|