|
Available-for-Sale and Other Securities (Maturities/Unrealized) (Details) (USD $)
In Thousands, unless otherwise specified
|
Jun. 30, 2013
|
Dec. 31, 2012
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
$ 6,871,130
|
$ 7,507,007
|
| Available-for-sale and other securities |
6,815,658
|
7,566,175
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
6,871,130
|
7,507,007
|
| Total investment securities, Unrealized Gross Losses |
(146,178)
|
(122,768)
|
| Available-for-sale and other securities |
6,815,658
|
7,566,175
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
1,934,895
|
286,627
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(48,788)
|
(3,831)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
144,358
|
264,527
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(97,390)
|
(118,937)
|
| Total temporarily impaired securities, Fair Value |
2,079,253
|
551,154
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
146,178
|
122,768
|
|
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 |
50,782
|
51,111
|
| Fair Value, 1-5 years |
51,254
|
51,770
|
| Amortized Cost, 6-10 years |
507
|
508
|
| Fair Value, 6-10 years |
521
|
539
|
| Amortized Cost, Over 10 years |
1
|
1
|
| Fair Value, Over 10 years |
3
|
2
|
| Total investment securities, Amortized Cost |
51,290
|
51,620
|
| Available-for-sale and other securities |
51,778
|
52,311
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
51,290
|
51,620
|
| Total investment securities, Unrealized Gross Gains |
488
|
691
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
51,778
|
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 |
162,968
|
182,722
|
| Fair Value, 1-5 years |
164,652
|
185,792
|
| Amortized Cost, 6-10 years |
486,260
|
503,045
|
| Fair Value, 6-10 years |
490,116
|
521,068
|
| Amortized Cost, Over 10 years |
2,819,868
|
3,464,196
|
| Fair Value, Over 10 years |
2,847,309
|
3,557,809
|
| Total investment securities, Amortized Cost |
3,469,096
|
4,149,964
|
| Available-for-sale and other securities |
3,502,077
|
4,264,670
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
3,469,096
|
4,149,964
|
| Total investment securities, Unrealized Gross Gains |
50,969
|
114,984
|
| Total investment securities, Unrealized Gross Losses |
(17,988)
|
(278)
|
| Available-for-sale and other securities |
3,502,077
|
4,264,670
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
1,067,989
|
44,836
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(17,988)
|
(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 |
1,067,989
|
44,836
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
17,988
|
278
|
|
Other Federal Agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
5,030
|
4,934
|
| Fair Value, Under 1 year |
5,086
|
5,017
|
| Amortized Cost, 1-5 years |
305,021
|
304,769
|
| Fair Value, 1-5 years |
311,716
|
314,149
|
| Amortized Cost, 6-10 years |
27,899
|
39,143
|
| Fair Value, 6-10 years |
28,312
|
40,460
|
| Amortized Cost, Over 10 years |
0
|
0
|
| Fair Value, Over 10 years |
0
|
0
|
| Total investment securities, Amortized Cost |
337,950
|
348,846
|
| Available-for-sale and other securities |
345,114
|
359,626
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
337,950
|
348,846
|
| Total investment securities, Unrealized Gross Gains |
7,325
|
10,781
|
| Total investment securities, Unrealized Gross Losses |
(161)
|
(1)
|
| Available-for-sale and other securities |
345,114
|
359,626
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
7,587
|
801
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(161)
|
(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 |
7,587
|
801
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
161
|
1
|
|
Total U.S. Government backed agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
3,858,336
|
4,550,430
|
| Available-for-sale and other securities |
3,898,969
|
4,676,607
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
3,858,336
|
4,550,430
|
| Total investment securities, Unrealized Gross Gains |
58,782
|
126,456
|
| Total investment securities, Unrealized Gross Losses |
(18,149)
|
(279)
|
| Available-for-sale and other securities |
3,898,969
|
4,676,607
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
1,075,576
|
45,637
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(18,149)
|
(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 |
1,075,576
|
45,637
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
18,149
|
279
|
|
Municipal securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
6,197
|
466
|
| Fair Value, Under 1 year |
6,239
|
466
|
| Amortized Cost, 1-5 years |
179,502
|
173,300
|
| Fair Value, 1-5 years |
183,855
|
177,593
|
| Amortized Cost, 6-10 years |
337,621
|
257,314
|
| Fair Value, 6-10 years |
330,280
|
265,490
|
| Amortized Cost, Over 10 years |
51,612
|
58,000
|
| Fair Value, Over 10 years |
51,289
|
57,451
|
| Total investment securities, Amortized Cost |
574,932
|
489,080
|
| Available-for-sale and other securities |
571,663
|
501,000
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
574,932
|
489,080
|
| Total investment securities, Unrealized Gross Gains |
7,534
|
13,927
|
| Total investment securities, Unrealized Gross Losses |
(10,803)
|
(2,007)
|
| Available-for-sale and other securities |
571,663
|
501,000
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
244,896
|
51,316
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(10,803)
|
(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 |
244,896
|
51,316
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
10,803
|
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 |
2,713
|
7,394
|
| Fair Value, 6-10 years |
2,767
|
7,567
|
| Amortized Cost, Over 10 years |
54,032
|
68,163
|
| Fair Value, Over 10 years |
50,067
|
64,001
|
| Total investment securities, Amortized Cost |
56,745
|
75,557
|
| Available-for-sale and other securities |
52,834
|
71,568
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
56,745
|
75,557
|
| Total investment securities, Unrealized Gross Gains |
781
|
1,087
|
| Total investment securities, Unrealized Gross Losses |
(4,692)
|
(5,076)
|
| Available-for-sale and other securities |
52,834
|
71,568
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
26,089
|
22,793
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(123)
|
0
|
| Total temporarily impaired securities, over 12 months, Fair Value |
21,748
|
34,617
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(4,569)
|
(5,076)
|
| Total temporarily impaired securities, Fair Value |
47,837
|
57,410
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
4,692
|
5,076
|
|
Other Asset Backed Securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
26,000
|
26,000
|
| Fair Value, Under 1 year |
26,087
|
26,258
|
| Amortized Cost, 1-5 years |
540,312
|
506,319
|
| Fair Value, 1-5 years |
545,047
|
514,616
|
| Amortized Cost, 6-10 years |
239,975
|
204,525
|
| Fair Value, 6-10 years |
239,319
|
210,477
|
| Amortized Cost, Over 10 years |
469,582
|
389,471
|
| Fair Value, Over 10 years |
370,477
|
277,732
|
| Total investment securities, Amortized Cost |
1,275,869
|
1,126,315
|
| Available-for-sale and other securities |
1,180,930
|
1,029,083
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
1,275,869
|
1,126,315
|
| Total investment securities, Unrealized Gross Gains |
7,875
|
16,287
|
| Total investment securities, Unrealized Gross Losses |
(102,814)
|
(113,519)
|
| Available-for-sale and other securities |
1,180,930
|
1,029,083
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
347,595
|
28,089
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(10,065)
|
(73)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
119,861
|
108,660
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(92,749)
|
(113,446)
|
| Total temporarily impaired securities, Fair Value |
467,456
|
136,749
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
102,814
|
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 |
281,341
|
282,080
|
| Fair Value, 1-5 years |
286,911
|
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 |
281,341
|
282,080
|
| Available-for-sale and other securities |
286,911
|
290,625
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
281,341
|
282,080
|
| Total investment securities, Unrealized Gross Gains |
5,570
|
8,545
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
286,911
|
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 |
26,585
|
27,153
|
| Fair Value, Under 1 year |
26,650
|
27,411
|
| Amortized Cost, 1-5 years |
258,262
|
458,516
|
| Fair Value, 1-5 years |
265,391
|
468,077
|
| Amortized Cost, 6-10 years |
190,462
|
158,878
|
| Fair Value, 6-10 years |
183,078
|
162,453
|
| Amortized Cost, Over 10 years |
10,130
|
10,146
|
| Fair Value, Over 10 years |
10,444
|
10,201
|
| Total investment securities, Amortized Cost |
485,439
|
654,693
|
| Available-for-sale and other securities |
485,563
|
668,142
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
485,439
|
654,693
|
| Total investment securities, Unrealized Gross Gains |
9,641
|
15,301
|
| Total investment securities, Unrealized Gross Losses |
(9,517)
|
(1,852)
|
| Available-for-sale and other securities |
485,563
|
668,142
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
237,719
|
138,792
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(9,517)
|
(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 |
237,719
|
258,412
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
9,517
|
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 |
3,770
|
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 |
316,172
|
308,075
|
| Marketable equity securities, Amortized Cost |
18,396
|
16,877
|
| Total investment securities, Amortized Cost |
338,468
|
328,852
|
| Non-marketable equity securities, Fair Value |
316,172
|
308,075
|
| Marketable equity securities, fair value |
18,846
|
17,177
|
| Available-for-sale and other securities |
338,788
|
329,150
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
338,468
|
328,852
|
| Total investment securities, Unrealized Gross Gains |
523
|
333
|
| Total investment securities, Unrealized Gross Losses |
(203)
|
(35)
|
| Available-for-sale and other securities |
338,788
|
329,150
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
3,020
|
0
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(131)
|
0
|
| Total temporarily impaired securities, over 12 months, Fair Value |
2,749
|
1,630
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(72)
|
(35)
|
| Total temporarily impaired securities, Fair Value |
5,769
|
1,630
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
$ 203
|
$ 35
|