|
Available-for-Sale and Other Securities (Maturities/Unrealized) (Details) (USD $)
In Thousands, unless otherwise specified
|
Mar. 31, 2013
|
Dec. 31, 2012
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
$ 7,447,750
|
$ 7,507,007
|
| Available-for-sale and other securities |
7,504,639
|
7,566,175
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
7,447,750
|
7,507,007
|
| Total investment securities, Unrealized Gross Losses |
(112,112)
|
(122,768)
|
| Available-for-sale and other securities |
7,504,639
|
7,566,175
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
567,870
|
286,627
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(6,965)
|
(3,831)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
192,573
|
264,527
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(105,147)
|
(118,937)
|
| Total temporarily impaired securities, Fair Value |
760,443
|
551,154
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
112,112
|
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 |
50,947
|
51,111
|
| Fair Value, 1-5 years |
51,526
|
51,770
|
| Amortized Cost, 6-10 years |
508
|
508
|
| Fair Value, 6-10 years |
537
|
539
|
| Amortized Cost, Over 10 years |
1
|
1
|
| Fair Value, Over 10 years |
3
|
2
|
| Total investment securities, Amortized Cost |
51,456
|
51,620
|
| Available-for-sale and other securities |
52,066
|
52,311
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
51,456
|
51,620
|
| Total investment securities, Unrealized Gross Gains |
610
|
691
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
52,066
|
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 |
170,623
|
182,722
|
| Fair Value, 1-5 years |
173,392
|
185,792
|
| Amortized Cost, 6-10 years |
504,508
|
503,045
|
| Fair Value, 6-10 years |
519,486
|
521,068
|
| Amortized Cost, Over 10 years |
3,400,142
|
3,464,196
|
| Fair Value, Over 10 years |
3,484,055
|
3,557,809
|
| Total investment securities, Amortized Cost |
4,075,273
|
4,149,964
|
| Available-for-sale and other securities |
4,176,933
|
4,264,670
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
4,075,273
|
4,149,964
|
| Total investment securities, Unrealized Gross Gains |
103,210
|
114,984
|
| Total investment securities, Unrealized Gross Losses |
(1,550)
|
(278)
|
| Available-for-sale and other securities |
4,176,933
|
4,264,670
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
198,901
|
44,836
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(1,550)
|
(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 |
198,901
|
44,836
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
1,550
|
278
|
|
Other Federal Agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
5,483
|
4,934
|
| Fair Value, Under 1 year |
5,562
|
5,017
|
| Amortized Cost, 1-5 years |
306,501
|
304,769
|
| Fair Value, 1-5 years |
315,210
|
314,149
|
| Amortized Cost, 6-10 years |
32,758
|
39,143
|
| Fair Value, 6-10 years |
33,719
|
40,460
|
| Amortized Cost, Over 10 years |
0
|
0
|
| Fair Value, Over 10 years |
0
|
0
|
| Total investment securities, Amortized Cost |
344,742
|
348,846
|
| Available-for-sale and other securities |
354,491
|
359,626
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
344,742
|
348,846
|
| Total investment securities, Unrealized Gross Gains |
9,751
|
10,781
|
| Total investment securities, Unrealized Gross Losses |
(2)
|
(1)
|
| Available-for-sale and other securities |
354,491
|
359,626
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
1,099
|
801
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(2)
|
(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 |
1,099
|
801
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
2
|
1
|
|
Total U.S. Government backed agencies [Member]
|
|
|
| Investment maturity date range |
|
|
| Total investment securities, Amortized Cost |
4,471,471
|
4,550,430
|
| Available-for-sale and other securities |
4,583,490
|
4,676,607
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
4,471,471
|
4,550,430
|
| Total investment securities, Unrealized Gross Gains |
113,571
|
126,456
|
| Total investment securities, Unrealized Gross Losses |
(1,552)
|
(279)
|
| Available-for-sale and other securities |
4,583,490
|
4,676,607
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
200,000
|
45,637
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(1,552)
|
(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 |
200,000
|
45,637
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
1,552
|
279
|
|
Municipal securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
125
|
466
|
| Fair Value, Under 1 year |
126
|
466
|
| Amortized Cost, 1-5 years |
180,238
|
173,300
|
| Fair Value, 1-5 years |
185,309
|
177,593
|
| Amortized Cost, 6-10 years |
348,124
|
257,314
|
| Fair Value, 6-10 years |
353,519
|
265,490
|
| Amortized Cost, Over 10 years |
52,643
|
58,000
|
| Fair Value, Over 10 years |
52,111
|
57,451
|
| Total investment securities, Amortized Cost |
581,130
|
489,080
|
| Available-for-sale and other securities |
591,065
|
501,000
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
581,130
|
489,080
|
| Total investment securities, Unrealized Gross Gains |
12,691
|
13,927
|
| Total investment securities, Unrealized Gross Losses |
(2,756)
|
(2,007)
|
| Available-for-sale and other securities |
591,065
|
501,000
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
159,973
|
51,316
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(2,756)
|
(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 |
159,973
|
51,316
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
2,756
|
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 |
6,043
|
7,394
|
| Fair Value, 6-10 years |
6,245
|
7,567
|
| Amortized Cost, Over 10 years |
64,033
|
68,163
|
| Fair Value, Over 10 years |
60,735
|
64,001
|
| Total investment securities, Amortized Cost |
70,076
|
75,557
|
| Available-for-sale and other securities |
66,980
|
71,568
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
70,076
|
75,557
|
| Total investment securities, Unrealized Gross Gains |
1,081
|
1,087
|
| Total investment securities, Unrealized Gross Losses |
(4,177)
|
(5,076)
|
| Available-for-sale and other securities |
66,980
|
71,568
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
21,434
|
22,793
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
0
|
0
|
| Total temporarily impaired securities, over 12 months, Fair Value |
29,855
|
34,617
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(4,177)
|
(5,076)
|
| Total temporarily impaired securities, Fair Value |
51,289
|
57,410
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
4,177
|
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 |
26,180
|
26,258
|
| Amortized Cost, 1-5 years |
497,044
|
506,319
|
| Fair Value, 1-5 years |
504,242
|
514,616
|
| Amortized Cost, 6-10 years |
264,637
|
204,525
|
| Fair Value, 6-10 years |
271,501
|
210,477
|
| Amortized Cost, Over 10 years |
395,436
|
389,471
|
| Fair Value, Over 10 years |
296,940
|
277,732
|
| Total investment securities, Amortized Cost |
1,183,117
|
1,126,315
|
| Available-for-sale and other securities |
1,098,863
|
1,029,083
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
1,183,117
|
1,126,315
|
| Total investment securities, Unrealized Gross Gains |
16,759
|
16,287
|
| Total investment securities, Unrealized Gross Losses |
(101,013)
|
(113,519)
|
| Available-for-sale and other securities |
1,098,863
|
1,029,083
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
48,626
|
28,089
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(368)
|
(73)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
115,455
|
108,660
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(100,645)
|
(113,446)
|
| Total temporarily impaired securities, Fair Value |
164,081
|
136,749
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
101,013
|
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 |
281,711
|
282,080
|
| Fair Value, 1-5 years |
289,409
|
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 |
281,711
|
282,080
|
| Available-for-sale and other securities |
289,409
|
290,625
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
281,711
|
282,080
|
| Total investment securities, Unrealized Gross Gains |
7,698
|
8,545
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
| Available-for-sale and other securities |
289,409
|
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 |
26,768
|
27,153
|
| Fair Value, Under 1 year |
26,951
|
27,411
|
| Amortized Cost, 1-5 years |
293,788
|
458,516
|
| Fair Value, 1-5 years |
307,094
|
468,077
|
| Amortized Cost, 6-10 years |
196,952
|
158,878
|
| Fair Value, 6-10 years |
197,343
|
162,453
|
| Amortized Cost, Over 10 years |
10,138
|
10,146
|
| Fair Value, Over 10 years |
10,327
|
10,201
|
| Total investment securities, Amortized Cost |
527,646
|
654,693
|
| Available-for-sale and other securities |
541,715
|
668,142
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
527,646
|
654,693
|
| Total investment securities, Unrealized Gross Gains |
16,668
|
15,301
|
| Total investment securities, Unrealized Gross Losses |
(2,599)
|
(1,852)
|
| Available-for-sale and other securities |
541,715
|
668,142
|
| Investment securities in unrealized loss position |
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
137,837
|
138,792
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
(2,289)
|
(1,472)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
44,690
|
119,620
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(310)
|
(380)
|
| Total temporarily impaired securities, Fair Value |
182,527
|
258,412
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
2,599
|
1,852
|
|
Other Securities [Member]
|
|
|
| Investment maturity date range |
|
|
| Amortized Cost, Under 1 year |
500
|
1,500
|
| Fair Value, Under 1 year |
500
|
1,498
|
| Amortized Cost, 1-5 years |
2,400
|
2,400
|
| Fair Value, 1-5 years |
2,400
|
2,400
|
| Amortized Cost, 6-10 years |
1,500
|
0
|
| Fair Value, 6-10 years |
1,500
|
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 |
311,738
|
308,075
|
| Marketable equity securities, Amortized Cost |
16,461
|
16,877
|
| Total investment securities, Amortized Cost |
332,599
|
328,852
|
| Non-marketable equity securities, Fair Value |
311,738
|
308,075
|
| Marketable equity securities, fair value |
16,979
|
17,177
|
| Available-for-sale and other securities |
333,117
|
329,150
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
| Total investment securities, Amortized Cost |
332,599
|
328,852
|
| Total investment securities, Unrealized Gross Gains |
533
|
333
|
| Total investment securities, Unrealized Gross Losses |
(15)
|
(35)
|
| Available-for-sale and other securities |
333,117
|
329,150
|
| 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 |
2,573
|
1,630
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
(15)
|
(35)
|
| Total temporarily impaired securities, Fair Value |
2,573
|
1,630
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
$ 15
|
$ 35
|