|
Available-for-Sale and Other Securities (Maturities/Unrealized) (Details) (USD $)
In Thousands, unless otherwise specified
|
Sep. 30, 2013
|
Dec. 31, 2012
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
$ 6,491,890
|
$ 7,507,007
|
| Available-for-sale and other securities |
6,446,681
|
7,566,175
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
6,491,890
|
7,507,007
|
| Total investment securities, Unrealized Gross Losses |
134,049
|
122,768
|
| Available-for-sale and other securities |
6,446,681
|
7,566,175
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
1,735,673
|
286,627
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
47,830
|
3,831
|
| Total temporarily impaired securities, over 12 months, Fair Value |
140,334
|
264,527
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
86,219
|
118,937
|
| Total temporarily impaired securities, Fair Value |
1,876,007
|
551,154
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
134,049
|
122,768
|
|
U.S. Treasury [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
50,614
|
0
|
| Fair Value, Under 1 year |
51,030
|
0
|
| Amortized Cost, 1-5 years |
507
|
51,111
|
| Fair Value, 1-5 years |
521
|
51,770
|
| Amortized Cost, 6-10 years |
0
|
508
|
| Fair Value, 6-10 years |
0
|
539
|
| Amortized Cost, Over 10 years |
1
|
1
|
| Fair Value, Over 10 years |
3
|
2
|
| Total investment securities, Amortized Cost |
51,122
|
51,620
|
| Available-for-sale and other securities |
51,554
|
52,311
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
51,122
|
51,620
|
| Total investment securities, Unrealized Gross Gains |
(432)
|
(691)
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
51,554
|
52,311
|
| 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
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
0
|
0
|
|
Federal agencies - mortgage backed securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
0
|
1
|
| Fair Value, Under 1 year |
0
|
1
|
| Amortized Cost, 1-5 years |
174,631
|
182,722
|
| Fair Value, 1-5 years |
176,076
|
185,792
|
| Amortized Cost, 6-10 years |
455,677
|
503,045
|
| Fair Value, 6-10 years |
458,965
|
521,068
|
| Amortized Cost, Over 10 years |
2,567,734
|
3,464,196
|
| Fair Value, Over 10 years |
2,586,670
|
3,557,809
|
| Total investment securities, Amortized Cost |
3,198,042
|
4,149,964
|
| Available-for-sale and other securities |
3,221,711
|
4,264,670
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
3,198,042
|
4,149,964
|
| Total investment securities, Unrealized Gross Gains |
(45,997)
|
(114,984)
|
| Total investment securities, Unrealized Gross Losses |
22,328
|
278
|
| Available-for-sale and other securities |
3,221,711
|
4,264,670
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
938,245
|
44,836
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
22,328
|
278
|
| 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 |
938,245
|
44,836
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
22,328
|
278
|
|
Other Federal Agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
5,080
|
4,934
|
| Fair Value, Under 1 year |
5,128
|
5,017
|
| Amortized Cost, 1-5 years |
303,788
|
304,769
|
| Fair Value, 1-5 years |
310,437
|
314,149
|
| Amortized Cost, 6-10 years |
23,611
|
39,143
|
| Fair Value, 6-10 years |
23,854
|
40,460
|
| Amortized Cost, Over 10 years |
0
|
0
|
| Fair Value, Over 10 years |
0
|
0
|
| Total investment securities, Amortized Cost |
332,479
|
348,846
|
| Available-for-sale and other securities |
339,419
|
359,626
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
332,479
|
348,846
|
| Total investment securities, Unrealized Gross Gains |
(7,078)
|
(10,781)
|
| Total investment securities, Unrealized Gross Losses |
138
|
1
|
| Available-for-sale and other securities |
339,419
|
359,626
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
6,510
|
801
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
138
|
1
|
| 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 |
6,510
|
801
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
138
|
1
|
|
Total U.S. Government backed agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
3,581,643
|
4,550,430
|
| Available-for-sale and other securities |
3,612,684
|
4,676,607
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
3,581,643
|
4,550,430
|
| Total investment securities, Unrealized Gross Gains |
(53,507)
|
(126,456)
|
| Total investment securities, Unrealized Gross Losses |
22,466
|
279
|
| Available-for-sale and other securities |
3,612,684
|
4,676,607
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
944,755
|
45,637
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
22,466
|
279
|
| 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 |
944,755
|
45,637
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
22,466
|
279
|
|
Municipal securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
21,515
|
466
|
| Fair Value, Under 1 year |
21,736
|
466
|
| Amortized Cost, 1-5 years |
168,071
|
173,300
|
| Fair Value, 1-5 years |
172,716
|
177,593
|
| Amortized Cost, 6-10 years |
336,606
|
257,314
|
| Fair Value, 6-10 years |
331,031
|
265,490
|
| Amortized Cost, Over 10 years |
39,345
|
58,000
|
| Fair Value, Over 10 years |
40,995
|
57,451
|
| Total investment securities, Amortized Cost |
565,537
|
489,080
|
| Available-for-sale and other securities |
566,478
|
501,000
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
565,537
|
489,080
|
| Total investment securities, Unrealized Gross Gains |
(9,309)
|
(13,927)
|
| Total investment securities, Unrealized Gross Losses |
8,368
|
2,007
|
| Available-for-sale and other securities |
566,478
|
501,000
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
236,408
|
51,316
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
8,368
|
2,007
|
| 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 |
236,408
|
51,316
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
8,368
|
2,007
|
|
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 |
2,293
|
7,394
|
| Fair Value, 6-10 years |
2,396
|
7,567
|
| Amortized Cost, Over 10 years |
51,423
|
68,163
|
| Fair Value, Over 10 years |
48,370
|
64,001
|
| Total investment securities, Amortized Cost |
53,716
|
75,557
|
| Available-for-sale and other securities |
50,766
|
71,568
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
53,716
|
75,557
|
| Total investment securities, Unrealized Gross Gains |
(1,012)
|
(1,087)
|
| Total investment securities, Unrealized Gross Losses |
3,962
|
5,076
|
| Available-for-sale and other securities |
50,766
|
71,568
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
0
|
22,793
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
0
|
0
|
| Total temporarily impaired securities, over 12 months, Fair Value |
22,178
|
34,617
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
3,962
|
5,076
|
| Total temporarily impaired securities, Fair Value |
22,178
|
57,410
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
3,962
|
5,076
|
|
Other Asset Backed Securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
17,333
|
26,000
|
| Fair Value, Under 1 year |
17,354
|
26,258
|
| Amortized Cost, 1-5 years |
477,629
|
506,319
|
| Fair Value, 1-5 years |
481,841
|
514,616
|
| Amortized Cost, 6-10 years |
239,863
|
204,525
|
| Fair Value, 6-10 years |
240,376
|
210,477
|
| Amortized Cost, Over 10 years |
476,650
|
389,471
|
| Fair Value, Over 10 years |
388,756
|
277,732
|
| Total investment securities, Amortized Cost |
1,211,475
|
1,126,315
|
| Available-for-sale and other securities |
1,128,327
|
1,029,083
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
1,211,475
|
1,126,315
|
| Total investment securities, Unrealized Gross Gains |
(7,434)
|
(16,287)
|
| Total investment securities, Unrealized Gross Losses |
90,582
|
113,519
|
| Available-for-sale and other securities |
1,128,327
|
1,029,083
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
360,373
|
28,089
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
8,369
|
73
|
| Total temporarily impaired securities, over 12 months, Fair Value |
114,901
|
108,660
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
82,213
|
113,446
|
| Total temporarily impaired securities, Fair Value |
475,274
|
136,749
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
90,582
|
113,519
|
|
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 |
280,969
|
282,080
|
| Fair Value, 1-5 years |
286,924
|
290,625
|
| 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
|
| Total investment securities, Amortized Cost |
280,969
|
282,080
|
| Available-for-sale and other securities |
286,924
|
290,625
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
280,969
|
282,080
|
| Total investment securities, Unrealized Gross Gains |
(5,955)
|
(8,545)
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
286,924
|
290,625
|
| 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
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
0
|
0
|
|
Corporate debt [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
702
|
27,153
|
| Fair Value, Under 1 year |
713
|
27,411
|
| Amortized Cost, 1-5 years |
257,667
|
458,516
|
| Fair Value, 1-5 years |
266,984
|
468,077
|
| Amortized Cost, 6-10 years |
189,733
|
158,878
|
| Fair Value, 6-10 years |
182,756
|
162,453
|
| Amortized Cost, Over 10 years |
10,121
|
10,146
|
| Fair Value, Over 10 years |
10,519
|
10,201
|
| Total investment securities, Amortized Cost |
458,223
|
654,693
|
| Available-for-sale and other securities |
460,972
|
668,142
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
458,223
|
654,693
|
| Total investment securities, Unrealized Gross Gains |
(11,250)
|
(15,301)
|
| Total investment securities, Unrealized Gross Losses |
8,501
|
1,852
|
| Available-for-sale and other securities |
460,972
|
668,142
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
191,113
|
138,792
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
8,501
|
1,472
|
| Total temporarily impaired securities, over 12 months, Fair Value |
0
|
119,620
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
0
|
380
|
| Total temporarily impaired securities, Fair Value |
191,113
|
258,412
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
8,501
|
1,852
|
|
Other Securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
0
|
1,500
|
| Fair Value, Under 1 year |
0
|
1,498
|
| Amortized Cost, 1-5 years |
3,900
|
2,400
|
| Fair Value, 1-5 years |
3,774
|
2,400
|
| 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
|
| Non-marketable equity securities, Amortized Cost Non-marketable equity securities, Amortized Cost |
317,462
|
308,075
|
| Marketable equity securities, Amortized Cost |
18,965
|
16,877
|
| Total investment securities, Amortized Cost |
340,327
|
328,852
|
| Non-marketable equity securities, Fair Value |
317,462
|
308,075
|
| Marketable equity securities, fair value |
19,294
|
17,177
|
| Available-for-sale and other securities |
340,530
|
329,150
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
340,327
|
328,852
|
| Total investment securities, Unrealized Gross Gains |
(373)
|
(333)
|
| Total investment securities, Unrealized Gross Losses |
170
|
35
|
| Available-for-sale and other securities |
340,530
|
329,150
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
3,024
|
0
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
126
|
0
|
| Total temporarily impaired securities, over 12 months, Fair Value |
3,255
|
1,630
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
44
|
35
|
| Total temporarily impaired securities, Fair Value |
6,279
|
1,630
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
$ 170
|
$ 35
|