|
Loans - Information on Impaired Loans, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
$ 54,744
|
$ 121,689
|
|
| Unpaid Principal Balance |
61,561
|
124,849
|
|
| With No Related Allowance Recorded |
28,830
|
45,464
|
|
| With an Allowance Recorded |
25,914
|
76,225
|
|
| Related Allowance |
6,231
|
23,382
|
|
| Average Recorded Investment |
60,732
|
134,359
|
|
| Interest Income Recognized |
4,541
|
8,348
|
11,473
|
|
Real Estate Loans [Member] | Retail [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
2,930
|
1,260
|
|
| Unpaid Principal Balance |
3,024
|
1,260
|
|
| With No Related Allowance Recorded |
2,930
|
1,100
|
|
| With an Allowance Recorded |
|
160
|
|
| Related Allowance |
|
126
|
|
| Average Recorded Investment |
2,357
|
105
|
|
| Interest Income Recognized |
136
|
|
|
|
Real Estate Loans [Member] | Land [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
2,097
|
3,178
|
|
| Unpaid Principal Balance |
2,307
|
3,210
|
|
| With No Related Allowance Recorded |
2,097
|
|
|
| With an Allowance Recorded |
|
3,178
|
|
| Related Allowance |
|
360
|
|
| Average Recorded Investment |
2,140
|
16,910
|
|
| Interest Income Recognized |
179
|
78
|
|
|
Real Estate Loans [Member] | Other [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
527
|
14,773
|
|
| Unpaid Principal Balance |
527
|
14,823
|
|
| With No Related Allowance Recorded |
|
1,131
|
|
| With an Allowance Recorded |
527
|
13,642
|
|
| Related Allowance |
67
|
3,004
|
|
| Average Recorded Investment |
835
|
14,850
|
|
| Interest Income Recognized |
43
|
907
|
|
|
Real Estate Loans [Member] | Construction [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
|
14,120
|
|
| Unpaid Principal Balance |
|
14,120
|
|
| With No Related Allowance Recorded |
|
14,120
|
|
| With an Allowance Recorded |
|
|
|
| Related Allowance |
|
|
|
| Average Recorded Investment |
6,012
|
14,353
|
|
| Interest Income Recognized |
207
|
1,077
|
|
|
Real Estate Loans [Member] | Residential Property [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
3,265
|
5,368
|
|
| Unpaid Principal Balance |
3,308
|
5,408
|
|
| With No Related Allowance Recorded |
1,866
|
3,208
|
|
| With an Allowance Recorded |
1,399
|
2,160
|
|
| Related Allowance |
94
|
128
|
|
| Average Recorded Investment |
3,268
|
5,399
|
|
| Interest Income Recognized |
164
|
279
|
|
|
Commercial and Industrial Loans [Member] | Unsecured [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
14,532
|
16,035
|
|
| Unpaid Principal Balance |
15,515
|
16,559
|
|
| With No Related Allowance Recorded |
6,826
|
244
|
|
| With an Allowance Recorded |
7,706
|
15,791
|
|
| Related Allowance |
2,144
|
10,793
|
|
| Average Recorded Investment |
14,160
|
15,685
|
|
| Interest Income Recognized |
821
|
1,043
|
|
|
Commercial and Industrial Loans [Member] | Secured By Real Estate [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
22,050
|
53,159
|
|
| Unpaid Principal Balance |
23,221
|
54,156
|
|
| With No Related Allowance Recorded |
9,520
|
14,990
|
|
| With an Allowance Recorded |
12,530
|
38,169
|
|
| Related Allowance |
2,319
|
7,062
|
|
| Average Recorded Investment |
21,894
|
51,977
|
|
| Interest Income Recognized |
1,723
|
3,652
|
|
|
Commercial and Industrial Loans [Member] | Commercial Lines of Credit [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
1,521
|
1,431
|
|
| Unpaid Principal Balance |
1,704
|
1,554
|
|
| With No Related Allowance Recorded |
848
|
715
|
|
| With an Allowance Recorded |
673
|
716
|
|
| Related Allowance |
230
|
716
|
|
| Average Recorded Investment |
1,688
|
1,590
|
|
| Interest Income Recognized |
64
|
82
|
|
|
Commercial and Industrial Loans [Member] | SBA Loans [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
6,170
|
11,619
|
|
| Unpaid Principal Balance |
10,244
|
12,971
|
|
| With No Related Allowance Recorded |
4,294
|
9,445
|
|
| With an Allowance Recorded |
1,876
|
2,174
|
|
| Related Allowance |
762
|
1,167
|
|
| Average Recorded Investment |
7,173
|
12,658
|
|
| Interest Income Recognized |
1,131
|
1,186
|
|
|
Consumer Loans [Member] | Consumer Loans [Member]
|
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
|
| Recorded Investment |
1,652
|
746
|
|
| Unpaid Principal Balance |
1,711
|
788
|
|
| With No Related Allowance Recorded |
449
|
511
|
|
| With an Allowance Recorded |
1,203
|
235
|
|
| Related Allowance |
615
|
26
|
|
| Average Recorded Investment |
1,205
|
832
|
|
| Interest Income Recognized |
$ 73
|
$ 44
|
|