Loans, Changes in the Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
$ 266,302
|
$ 268,315
|
$ 297,409
|
Provision for loan losses |
38,000
|
13,000
|
10,000
|
Charge offs |
(52,280)
|
(44,096)
|
(88,061)
|
Recoveries |
22,242
|
29,083
|
48,967
|
Balance at end of year |
274,264
|
266,302
|
268,315
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
7,963
|
17,866
|
|
Ending balance impaired loans collectively evaluated for impairment |
25,706
|
32,565
|
|
Total Impaired Loans, Related Allowance |
33,669
|
50,431
|
|
Ending balance all other loans collectively evaluated for impairment |
240,595
|
215,871
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
111,487
|
101,822
|
|
Ending balance impaired loans collectively evaluated for impairment |
154,134
|
173,807
|
|
Total Impaired Loans, Recorded Investment |
265,621
|
275,629
|
|
Ending balance all other loans collectively evaluated for impairment |
18,448,722
|
17,318,217
|
|
Total loans |
18,714,343
|
17,593,846
|
|
Commercial and Industrial Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
116,025
|
104,501
|
|
Provision for loan losses |
30,861
|
14,767
|
|
Charge offs |
(27,687)
|
(14,633)
|
|
Recoveries |
9,795
|
11,390
|
|
Balance at end of year |
128,994
|
116,025
|
104,501
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
7,522
|
13,615
|
|
Ending balance impaired loans collectively evaluated for impairment |
640
|
2,852
|
|
Total Impaired Loans, Related Allowance |
8,162
|
16,467
|
|
Ending balance all other loans collectively evaluated for impairment |
120,832
|
99,558
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
89,935
|
45,118
|
|
Ending balance impaired loans collectively evaluated for impairment |
31,299
|
38,437
|
|
Total Impaired Loans, Recorded Investment |
121,234
|
83,555
|
|
Ending balance all other loans collectively evaluated for impairment |
6,026,206
|
5,822,347
|
|
Total loans |
6,147,440
|
5,905,902
|
|
Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
16,510
|
19,476
|
|
Provision for loan losses |
3,894
|
(1,296)
|
|
Charge offs |
(2,645)
|
(3,476)
|
|
Recoveries |
921
|
1,806
|
|
Balance at end of year |
18,680
|
16,510
|
19,476
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
1,490
|
|
Ending balance impaired loans collectively evaluated for impairment |
448
|
1,731
|
|
Total Impaired Loans, Related Allowance |
448
|
3,221
|
|
Ending balance all other loans collectively evaluated for impairment |
18,232
|
13,289
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
6,221
|
20,731
|
|
Ending balance impaired loans collectively evaluated for impairment |
9,705
|
15,548
|
|
Total Impaired Loans, Recorded Investment |
15,926
|
36,279
|
|
Ending balance all other loans collectively evaluated for impairment |
902,286
|
971,658
|
|
Total loans |
918,212
|
1,007,937
|
|
Finance Leases Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
1,610
|
1,607
|
|
Provision for loan losses |
(671)
|
35
|
|
Charge offs |
0
|
(39)
|
|
Recoveries |
26
|
7
|
|
Balance at end of year |
965
|
1,610
|
1,607
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
574
|
|
Ending balance impaired loans collectively evaluated for impairment |
0
|
0
|
|
Total Impaired Loans, Related Allowance |
0
|
574
|
|
Ending balance all other loans collectively evaluated for impairment |
965
|
1,036
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
1,634
|
1,801
|
|
Ending balance impaired loans collectively evaluated for impairment |
0
|
0
|
|
Total Impaired Loans, Recorded Investment |
1,634
|
1,801
|
|
Ending balance all other loans collectively evaluated for impairment |
41,609
|
49,728
|
|
Total loans |
43,243
|
51,529
|
|
Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
46,333
|
58,156
|
|
Provision for loan losses |
(2,827)
|
(17,290)
|
|
Charge offs |
(4,645)
|
(4,529)
|
|
Recoveries |
4,157
|
9,996
|
|
Balance at end of year |
43,018
|
46,333
|
58,156
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
229
|
1,649
|
|
Ending balance impaired loans collectively evaluated for impairment |
1,602
|
1,938
|
|
Total Impaired Loans, Related Allowance |
1,831
|
3,587
|
|
Ending balance all other loans collectively evaluated for impairment |
41,187
|
42,746
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
5,460
|
19,683
|
|
Ending balance impaired loans collectively evaluated for impairment |
25,098
|
26,129
|
|
Total Impaired Loans, Recorded Investment |
30,558
|
45,812
|
|
Ending balance all other loans collectively evaluated for impairment |
3,203,708
|
3,010,673
|
|
Total loans |
3,234,266
|
3,056,485
|
|
Real Estate Construction Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
20,999
|
23,418
|
|
Provision for loan losses |
2,749
|
(1,277)
|
|
Charge offs |
(750)
|
(1,958)
|
|
Recoveries |
2,268
|
816
|
|
Balance at end of year |
25,266
|
20,999
|
23,418
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
328
|
|
Ending balance impaired loans collectively evaluated for impairment |
453
|
767
|
|
Total Impaired Loans, Related Allowance |
453
|
1,095
|
|
Ending balance all other loans collectively evaluated for impairment |
24,813
|
19,904
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
3,776
|
|
Ending balance impaired loans collectively evaluated for impairment |
1,450
|
2,350
|
|
Total Impaired Loans, Recorded Investment |
1,450
|
6,126
|
|
Ending balance all other loans collectively evaluated for impairment |
1,160,695
|
1,002,830
|
|
Total loans |
1,162,145
|
1,008,956
|
|
Home Equity Portfolio Segments [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
26,464
|
27,932
|
|
Provision for loan losses |
906
|
6,278
|
|
Charge offs |
(7,048)
|
(10,946)
|
|
Recoveries |
3,233
|
3,200
|
|
Balance at end of year |
23,555
|
26,464
|
27,932
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
46
|
11
|
|
Ending balance impaired loans collectively evaluated for impairment |
10,072
|
11,371
|
|
Total Impaired Loans, Related Allowance |
10,118
|
11,382
|
|
Ending balance all other loans collectively evaluated for impairment |
13,437
|
15,082
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
1,281
|
962
|
|
Ending balance impaired loans collectively evaluated for impairment |
21,032
|
23,698
|
|
Total Impaired Loans, Recorded Investment |
22,313
|
24,660
|
|
Ending balance all other loans collectively evaluated for impairment |
983,489
|
1,027,267
|
|
Total loans |
1,005,802
|
1,051,927
|
|
Installment and Credit Cards Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
6,435
|
2,416
|
|
Provision for loan losses |
2,194
|
6,279
|
|
Charge offs |
(3,869)
|
(2,876)
|
|
Recoveries |
765
|
616
|
|
Balance at end of year |
5,525
|
6,435
|
2,416
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
0
|
|
Ending balance impaired loans collectively evaluated for impairment |
195
|
308
|
|
Total Impaired Loans, Related Allowance |
195
|
308
|
|
Ending balance all other loans collectively evaluated for impairment |
5,330
|
6,127
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
0
|
0
|
|
Ending balance impaired loans collectively evaluated for impairment |
1,154
|
1,587
|
|
Total Impaired Loans, Recorded Investment |
1,154
|
1,587
|
|
Ending balance all other loans collectively evaluated for impairment |
418,814
|
452,632
|
|
Total loans |
419,968
|
454,219
|
|
Residential Portfolio Segment [Member] |
|
|
|
Changes in the allowance for loan losses by portfolio segment |
|
|
|
Balance at beginning of year |
31,926
|
30,809
|
|
Provision for loan losses |
894
|
5,504
|
|
Charge offs |
(5,636)
|
(5,639)
|
|
Recoveries |
1,077
|
1,252
|
|
Balance at end of year |
28,261
|
31,926
|
$ 30,809
|
Allowance for loan losses: |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
166
|
199
|
|
Ending balance impaired loans collectively evaluated for impairment |
12,296
|
13,598
|
|
Total Impaired Loans, Related Allowance |
12,462
|
13,797
|
|
Ending balance all other loans collectively evaluated for impairment |
15,799
|
18,129
|
|
Loans [Abstract] |
|
|
|
Ending balance impaired loans individually evaluated for impairment |
6,956
|
9,751
|
|
Ending balance impaired loans collectively evaluated for impairment |
64,396
|
66,058
|
|
Total Impaired Loans, Recorded Investment |
71,352
|
75,809
|
|
Ending balance all other loans collectively evaluated for impairment |
5,711,915
|
4,981,082
|
|
Total loans |
$ 5,783,267
|
$ 5,056,891
|
|