|
Available-for-Sale and Other Securities (Maturities/Unrealized) (Details) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
12 Months Ended |
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Dec. 31, 2013
|
| Investment maturity date range |
|
|
|
| Total investment securities, Amortized Cost |
|
$ 8,495,131
|
$ 7,368,907
|
| Available-for-sale and other securities |
|
8,491,037
|
7,308,753
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
8,495,131
|
7,368,907
|
| Total investment securities, Unrealized Gross Losses |
|
(116,210)
|
(152,696)
|
| Available-for-sale and other securities |
|
8,491,037
|
7,308,753
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
1,445,330
|
2,722,688
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(23,988)
|
(67,184)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
1,130,795
|
178,956
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(92,222)
|
(85,512)
|
| Total temporarily impaired securities, Fair Value |
|
2,576,125
|
2,901,644
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(116,210)
|
(152,696)
|
|
U.S. Treasury [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
50,112
|
50,793
|
| Fair Value, Under 1 year |
|
50,191
|
51,086
|
| Amortized Cost, 1-5 years |
|
506
|
507
|
| Fair Value, 1-5 years |
|
518
|
516
|
| Amortized Cost, 6-10 years |
|
0
|
0
|
| Fair Value, 6-10 years |
|
0
|
0
|
| Amortized Cost, Over 10 years |
|
0
|
1
|
| Fair Value, Over 10 years |
|
0
|
2
|
| Total investment securities, Amortized Cost |
|
50,618
|
51,301
|
| Available-for-sale and other securities |
|
50,709
|
51,604
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
50,618
|
51,301
|
| Total investment securities, Unrealized Gross Gains |
|
(91)
|
(303)
|
| Total investment securities, Unrealized Gross Losses |
0
|
0
|
0
|
| Available-for-sale and other securities |
|
50,709
|
51,604
|
| 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
|
0
|
|
Federal agencies - mortgage backed securities [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
14,669
|
16,548
|
| Fair Value, Under 1 year |
|
14,735
|
16,607
|
| Amortized Cost, 1-5 years |
|
253,110
|
164,794
|
| Fair Value, 1-5 years |
|
256,259
|
166,946
|
| Amortized Cost, 6-10 years |
|
331,483
|
440,116
|
| Fair Value, 6-10 years |
|
338,205
|
443,456
|
| Amortized Cost, Over 10 years |
|
4,106,656
|
2,940,986
|
| Fair Value, Over 10 years |
|
4,138,667
|
2,939,212
|
| Total investment securities, Amortized Cost |
|
4,705,918
|
3,562,444
|
| Available-for-sale and other securities |
|
4,747,866
|
3,566,221
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
4,705,918
|
3,562,444
|
| Total investment securities, Unrealized Gross Gains |
|
(62,906)
|
(42,319)
|
| Total investment securities, Unrealized Gross Losses |
|
(20,958)
|
(38,542)
|
| Available-for-sale and other securities |
|
4,747,866
|
3,566,221
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
724,180
|
1,628,454
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(3,704)
|
(37,174)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
470,997
|
12,682
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(17,254)
|
(1,368)
|
| Total temporarily impaired securities, Fair Value |
|
1,195,177
|
1,641,136
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(20,958)
|
(38,542)
|
|
Other Federal Agencies [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
33,624
|
2,833
|
| Fair Value, Under 1 year |
|
34,040
|
2,880
|
| Amortized Cost, 1-5 years |
|
9,727
|
291,726
|
| Fair Value, 1-5 years |
|
10,253
|
297,510
|
| Amortized Cost, 6-10 years |
|
33,613
|
19,318
|
| Fair Value, 6-10 years |
|
33,801
|
19,498
|
| Amortized Cost, Over 10 years |
|
61,136
|
0
|
| Fair Value, Over 10 years |
|
61,532
|
0
|
| Total investment securities, Amortized Cost |
|
138,100
|
313,877
|
| Available-for-sale and other securities |
|
139,626
|
319,888
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
138,100
|
313,877
|
| Total investment securities, Unrealized Gross Gains |
|
(1,653)
|
(6,105)
|
| Total investment securities, Unrealized Gross Losses |
|
(127)
|
(94)
|
| Available-for-sale and other securities |
|
139,626
|
319,888
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
33,657
|
2,069
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(105)
|
(94)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
1,287
|
0
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(22)
|
0
|
| Total temporarily impaired securities, Fair Value |
|
34,944
|
2,069
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(127)
|
(94)
|
|
Total U.S. Government backed agencies [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Total investment securities, Amortized Cost |
|
4,894,636
|
3,927,622
|
| Available-for-sale and other securities |
|
4,938,201
|
3,937,713
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
4,894,636
|
3,927,622
|
| Total investment securities, Unrealized Gross Gains |
|
(64,650)
|
(48,727)
|
| Total investment securities, Unrealized Gross Losses |
|
(21,085)
|
(38,636)
|
| Available-for-sale and other securities |
|
4,938,201
|
3,937,713
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
757,837
|
1,630,523
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(3,809)
|
(37,268)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
472,284
|
12,682
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(17,276)
|
(1,368)
|
| Total temporarily impaired securities, Fair Value |
|
1,230,121
|
1,643,205
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(21,085)
|
(38,636)
|
|
Municipal securities [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
246,054
|
191,788
|
| Fair Value, Under 1 year |
|
244,167
|
190,762
|
| Amortized Cost, 1-5 years |
|
247,963
|
206,719
|
| Fair Value, 1-5 years |
|
249,887
|
211,916
|
| Amortized Cost, 6-10 years |
|
807,081
|
556,873
|
| Fair Value, 6-10 years |
|
813,171
|
554,772
|
| Amortized Cost, Over 10 years |
|
386,146
|
184,883
|
| Fair Value, Over 10 years |
|
386,196
|
188,542
|
| Total investment securities, Amortized Cost |
|
1,687,244
|
1,140,263
|
| Available-for-sale and other securities |
|
1,693,421
|
1,145,992
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
1,687,244
|
1,140,263
|
| Total investment securities, Unrealized Gross Gains |
|
(27,978)
|
(18,825)
|
| Total investment securities, Unrealized Gross Losses |
|
(21,801)
|
(13,096)
|
| Available-for-sale and other securities |
|
1,693,421
|
1,145,992
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
579,519
|
551,114
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(19,774)
|
(12,395)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
171,530
|
7,531
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(2,027)
|
(701)
|
| Total temporarily impaired securities, Fair Value |
|
751,049
|
558,645
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(21,801)
|
(13,096)
|
|
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 |
|
1,664
|
1,997
|
| Fair Value, 6-10 years |
|
1,744
|
2,089
|
| Amortized Cost, Over 10 years |
|
45,785
|
49,241
|
| Fair Value, Over 10 years |
|
44,055
|
47,015
|
| Total investment securities, Amortized Cost |
|
47,449
|
51,238
|
| Available-for-sale and other securities |
|
45,799
|
49,104
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
47,449
|
51,238
|
| Total investment securities, Unrealized Gross Gains |
|
(1,238)
|
(1,188)
|
| Total investment securities, Unrealized Gross Losses |
|
(2,888)
|
(3,322)
|
| Available-for-sale and other securities |
|
45,799
|
49,104
|
| 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 |
|
22,969
|
22,639
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(2,888)
|
(3,322)
|
| Total temporarily impaired securities, Fair Value |
|
22,969
|
22,639
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(2,888)
|
(3,322)
|
|
Other Asset Backed Securities [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
5,289
|
0
|
| Fair Value, Under 1 year |
|
5,290
|
0
|
| Amortized Cost, 1-5 years |
|
324,832
|
434,825
|
| Fair Value, 1-5 years |
|
327,084
|
438,156
|
| Amortized Cost, 6-10 years |
|
84,740
|
260,354
|
| Fair Value, 6-10 years |
|
84,643
|
260,880
|
| Amortized Cost, Over 10 years |
|
628,313
|
477,105
|
| Fair Value, Over 10 years |
|
562,981
|
392,004
|
| Total investment securities, Amortized Cost |
|
1,043,174
|
1,172,284
|
| Available-for-sale and other securities |
|
979,998
|
1,091,040
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
1,043,174
|
1,172,284
|
| Total investment securities, Unrealized Gross Gains |
|
(4,421)
|
(6,771)
|
| Total investment securities, Unrealized Gross Losses |
|
(67,597)
|
(88,015)
|
| Available-for-sale and other securities |
|
979,998
|
1,091,040
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
95,813
|
391,665
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(296)
|
(9,720)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
347,932
|
107,419
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(67,301)
|
(78,295)
|
| Total temporarily impaired securities, Fair Value |
|
443,745
|
499,084
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(67,597)
|
(88,015)
|
|
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 |
|
0
|
280,595
|
| Fair Value, 1-5 years |
|
0
|
285,874
|
| 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 |
|
0
|
280,595
|
| Available-for-sale and other securities |
|
0
|
285,874
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
0
|
280,595
|
| Total investment securities, Unrealized Gross Gains |
|
0
|
(5,279)
|
| Total investment securities, Unrealized Gross Losses |
|
0
|
0
|
| Available-for-sale and other securities |
|
0
|
285,874
|
| 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 |
|
501
|
903
|
| Fair Value, Under 1 year |
|
506
|
916
|
| Amortized Cost, 1-5 years |
|
295,820
|
283,079
|
| Fair Value, 1-5 years |
|
307,892
|
292,989
|
| Amortized Cost, 6-10 years |
|
173,895
|
161,398
|
| Fair Value, 6-10 years |
|
172,067
|
152,608
|
| Amortized Cost, Over 10 years |
|
0
|
10,113
|
| Fair Value, Over 10 years |
|
0
|
10,727
|
| Total investment securities, Amortized Cost |
|
470,216
|
455,493
|
| Available-for-sale and other securities |
|
480,465
|
457,240
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
470,216
|
455,493
|
| Total investment securities, Unrealized Gross Gains |
|
(12,953)
|
(11,241)
|
| Total investment securities, Unrealized Gross Losses |
|
(2,704)
|
(9,494)
|
| Available-for-sale and other securities |
|
480,465
|
457,240
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
10,618
|
146,308
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(58)
|
(7,729)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
114,664
|
26,155
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(2,646)
|
(1,765)
|
| Total temporarily impaired securities, Fair Value |
|
125,282
|
172,463
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
(2,704)
|
(9,494)
|
|
Other Securities [Member]
|
|
|
|
| Investment maturity date range |
|
|
|
| Amortized Cost, Under 1 year |
|
750
|
500
|
| Fair Value, Under 1 year |
|
750
|
500
|
| Amortized Cost, 1-5 years |
|
3,150
|
3,399
|
| Fair Value, 1-5 years |
|
3,066
|
3,327
|
| 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 |
|
331,060
|
320,991
|
| Marketable equity securities, Amortized Cost |
|
17,452
|
16,522
|
| Total investment securities, Amortized Cost |
|
352,412
|
341,412
|
| Non-marketable equity securities, Fair Value |
|
331,060
|
320,992
|
| Marketable equity securities, fair value |
|
18,277
|
16,971
|
| Available-for-sale and other securities |
|
353,153
|
341,790
|
| Amortized cost, fair value, and gross unrealized gains and losses recognized in accumulated other comprehensive income |
|
|
|
| Total investment securities, Amortized Cost |
|
352,412
|
341,412
|
| Total investment securities, Unrealized Gross Gains |
|
(876)
|
(511)
|
| Total investment securities, Unrealized Gross Losses |
|
(135)
|
(133)
|
| Available-for-sale and other securities |
|
353,153
|
341,790
|
| Investment securities in unrealized loss position |
|
|
|
| Total temporarily impaired securities, less than 12 months, Fair value |
|
1,543
|
3,078
|
| Total temporarily impaired securities, less than 12 months, Unrealized Losses |
|
(51)
|
(72)
|
| Total temporarily impaired securities, over 12 months, Fair Value |
|
1,416
|
2,530
|
| Total temporarily impaired securities, over 12 months, Unrealized Losses |
|
(84)
|
(61)
|
| Total temporarily impaired securities, Fair Value |
|
2,959
|
5,608
|
| Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total |
|
$ (135)
|
$ (133)
|