Loans and Allowance for Credit Losses Total Impaired Loans by Class Segments (Details) (USD $) In Thousands, unless otherwise specified
|
12 Months Ended |
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
$ 132,702 |
$ 156,599 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
94,451 |
109,938 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
100,345 |
107,573 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
839 |
1,092 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
214,981 |
256,798 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
175,889 |
203,451 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
188,026 |
267,604 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
2,481 |
4,470 |
|
Unpaid Principal Balance |
347,683 |
413,397 |
|
Recorded Investment |
270,340 |
313,389 |
|
Related Allowance |
79,175 |
96,577 |
|
Impaired Financing Receivable, Average Recorded Investment |
288,371 |
375,177 |
772,300 |
Interest income on impaired loans |
3,320 |
5,562 |
27,400 |
Leasing and Other and Overdrafts [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
10 |
56 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
10 |
56 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
83 |
59 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
0 |
0 |
|
Related Allowance |
7 |
37 |
|
Construction other [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
576 |
1,127 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
576 |
1,127 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
974 |
1,100 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
7 |
1 |
|
Related Allowance |
326 |
663 |
|
Real Estate - Home Equity [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
300 |
199 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
300 |
199 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
433 |
80 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
2 |
0 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
12,843 |
5,294 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
12,843 |
5,294 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
8,017 |
1,952 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
23 |
0 |
|
Related Allowance |
8,380 |
3,076 |
|
Consumer - Direct [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
29 |
368 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
29 |
368 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
84 |
189 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
0 |
2 |
|
Related Allowance |
25 |
228 |
|
Real-estate commercial mortage
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
44,649 |
54,445 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
34,189 |
46,768 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
41,575 |
44,486 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
538 |
647 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
69,173 |
100,529 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
55,443 |
79,566 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
64,739 |
79,831 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
755 |
1,270 |
|
Related Allowance |
21,612 |
36,060 |
|
Commercial - Secured [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
40,409 |
35,529 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
30,112 |
28,440 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
26,443 |
30,829 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
50 |
182 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
52,660 |
61,970 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
39,114 |
47,652 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
45,217 |
78,380 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
97 |
1,231 |
|
Related Allowance |
17,187 |
26,248 |
|
Commercial - Unsecured [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
132 |
0 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
131 |
0 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
52 |
177 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
0 |
3 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
2,142 |
3,139 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
2,083 |
2,789 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
2,604 |
3,864 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
6 |
34 |
|
Related Allowance |
1,597 |
2,177 |
|
Real-estate - residential mortgage
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
486 |
0 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
486 |
0 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
989 |
4,242 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
45 |
43 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
53,610 |
39,918 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
53,610 |
39,918 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
44,791 |
53,610 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
1,446 |
1,458 |
|
Related Allowance |
24,108 |
16,295 |
|
Construction - Commercial Residential [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
40,432 |
62,822 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
23,548 |
31,233 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
27,361 |
24,770 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
185 |
195 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
21,336 |
41,176 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
9,831 |
25,632 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
19,284 |
47,529 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
130 |
457 |
|
Related Allowance |
4,787 |
11,287 |
|
Construction - Commercial [Member]
|
|
|
|
Impaired Financing Receivables [Line Items] |
|
|
|
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |
6,294 |
3,604 |
|
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |
5,685 |
3,298 |
|
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |
3,492 |
2,989 |
|
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |
19 |
22 |
|
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |
2,602 |
3,221 |
|
Impaired Financing Receivable, with Related Allowance, Recorded Investment |
2,350 |
1,049 |
|
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |
2,233 |
1,090 |
|
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |
17 |
17 |
|
Related Allowance |
$ 1,146 |
$ 506 |
|