|
Details Of Company's Impaired Loans (Detail) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
$ 21,037
|
$ 19,643
|
| Unpaid Principal Balance, with no allowance recorded |
23,092
|
20,633
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
22,034
|
18,590
|
| Interest Income Recognized in Period, with no allowance recorded |
827
|
665
|
| Recorded Investment, with allowance recorded |
16,357
|
17,610
|
| Unpaid Principal Balance, with allowance recorded |
16,944
|
17,860
|
| Related Allowance, with allowance recorded |
3,511
|
4,181
|
| Average Recorded Investment , with allowance recorded |
15,871
|
16,893
|
| Interest Income Recognized in Period, with allowance recorded |
480
|
905
|
| Recorded Investment |
37,394
|
37,253
|
| Unpaid Principal Balance |
40,036
|
38,493
|
| Related Allowance |
3,511
|
4,181
|
| Average Recorded Investment |
37,905
|
35,483
|
| Interest Income Recognized in Period |
1,307
|
1,570
|
|
Commercial Financial and Agricultural Financing Receivable [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
2,602
|
1,264
|
| Unpaid Principal Balance, with no allowance recorded |
2,856
|
1,264
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
2,313
|
1,501
|
| Interest Income Recognized in Period, with no allowance recorded |
105
|
74
|
| Recorded Investment, with allowance recorded |
1,308
|
4,314
|
| Unpaid Principal Balance, with allowance recorded |
1,308
|
4,314
|
| Related Allowance, with allowance recorded |
577
|
1,382
|
| Average Recorded Investment , with allowance recorded |
1,325
|
4,156
|
| Interest Income Recognized in Period, with allowance recorded |
90
|
226
|
| Recorded Investment |
3,910
|
5,578
|
| Unpaid Principal Balance |
4,164
|
5,578
|
| Related Allowance |
577
|
1,382
|
| Average Recorded Investment |
3,638
|
5,657
|
| Interest Income Recognized in Period |
195
|
300
|
|
Commercial Real Estate Construction Financing Receivable [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
6,872
|
11,583
|
| Unpaid Principal Balance, with no allowance recorded |
7,894
|
12,573
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
7,631
|
10,406
|
| Interest Income Recognized in Period, with no allowance recorded |
188
|
226
|
| Recorded Investment, with allowance recorded |
7,550
|
4,679
|
| Unpaid Principal Balance, with allowance recorded |
8,137
|
4,679
|
| Related Allowance, with allowance recorded |
1,013
|
1,482
|
| Average Recorded Investment , with allowance recorded |
6,961
|
3,987
|
| Interest Income Recognized in Period, with allowance recorded |
154
|
94
|
| Recorded Investment |
14,422
|
16,262
|
| Unpaid Principal Balance |
16,031
|
17,252
|
| Related Allowance |
1,013
|
1,482
|
| Average Recorded Investment |
14,592
|
14,393
|
| Interest Income Recognized in Period |
342
|
320
|
|
Commercial Mortgage Loans Owner Occupied [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
5,111
|
2,493
|
| Unpaid Principal Balance, with no allowance recorded |
5,361
|
2,493
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
5,411
|
2,523
|
| Interest Income Recognized in Period, with no allowance recorded |
145
|
153
|
| Recorded Investment, with allowance recorded |
3,195
|
3,515
|
| Unpaid Principal Balance, with allowance recorded |
3,195
|
3,515
|
| Related Allowance, with allowance recorded |
779
|
88
|
| Average Recorded Investment , with allowance recorded |
3,277
|
3,504
|
| Interest Income Recognized in Period, with allowance recorded |
77
|
365
|
| Recorded Investment |
8,306
|
6,008
|
| Unpaid Principal Balance |
8,556
|
6,008
|
| Related Allowance |
779
|
88
|
| Average Recorded Investment |
8,688
|
6,027
|
| Interest Income Recognized in Period |
222
|
518
|
|
One To Four Family Mortgage Loans [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
2,166
|
1,293
|
| Unpaid Principal Balance, with no allowance recorded |
2,388
|
1,293
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
2,177
|
1,241
|
| Interest Income Recognized in Period, with no allowance recorded |
108
|
44
|
| Recorded Investment, with allowance recorded |
4,002
|
4,397
|
| Unpaid Principal Balance, with allowance recorded |
4,002
|
4,397
|
| Related Allowance, with allowance recorded |
1,007
|
904
|
| Average Recorded Investment , with allowance recorded |
4,001
|
4,484
|
| Interest Income Recognized in Period, with allowance recorded |
139
|
198
|
| Recorded Investment |
6,168
|
5,690
|
| Unpaid Principal Balance |
6,390
|
5,690
|
| Related Allowance |
1,007
|
904
|
| Average Recorded Investment |
6,178
|
5,725
|
| Interest Income Recognized in Period |
247
|
242
|
|
Other Real Estate Mortgage Loans [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
4,151
|
2,837
|
| Unpaid Principal Balance, with no allowance recorded |
4,249
|
2,837
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
4,206
|
2,746
|
| Interest Income Recognized in Period, with no allowance recorded |
275
|
162
|
| Recorded Investment, with allowance recorded |
302
|
331
|
| Unpaid Principal Balance, with allowance recorded |
302
|
331
|
| Related Allowance, with allowance recorded |
135
|
0
|
| Average Recorded Investment , with allowance recorded |
307
|
337
|
| Interest Income Recognized in Period, with allowance recorded |
20
|
22
|
| Recorded Investment |
4,453
|
3,168
|
| Unpaid Principal Balance |
4,551
|
3,168
|
| Related Allowance |
135
|
0
|
| Average Recorded Investment |
4,513
|
3,083
|
| Interest Income Recognized in Period |
295
|
184
|
|
Residential Real Estate Mortgage Loans [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
11,428
|
6,623
|
| Unpaid Principal Balance, with no allowance recorded |
11,998
|
6,623
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
11,794
|
6,510
|
| Interest Income Recognized in Period, with no allowance recorded |
528
|
359
|
| Recorded Investment, with allowance recorded |
7,499
|
8,243
|
| Unpaid Principal Balance, with allowance recorded |
7,499
|
8,243
|
| Related Allowance, with allowance recorded |
1,921
|
992
|
| Average Recorded Investment , with allowance recorded |
7,585
|
8,325
|
| Interest Income Recognized in Period, with allowance recorded |
236
|
585
|
| Recorded Investment |
18,927
|
14,866
|
| Unpaid Principal Balance |
19,497
|
14,866
|
| Related Allowance |
1,921
|
992
|
| Average Recorded Investment |
19,379
|
14,835
|
| Interest Income Recognized in Period |
764
|
944
|
|
Consumer Portfolio Segment [Member]
|
|
|
| Statement [Line Items] |
|
|
| Recorded Investment, with no allowance recorded |
135
|
173
|
| Unpaid Principal Balance, with no allowance recorded |
344
|
173
|
| Related Allowance, with no allowance recorded |
0
|
0
|
| Average Recorded Investment , with no allowance recorded |
296
|
173
|
| Interest Income Recognized in Period, with no allowance recorded |
6
|
6
|
| Recorded Investment, with allowance recorded |
0
|
374
|
| Unpaid Principal Balance, with allowance recorded |
0
|
624
|
| Related Allowance, with allowance recorded |
0
|
325
|
| Average Recorded Investment , with allowance recorded |
0
|
425
|
| Interest Income Recognized in Period, with allowance recorded |
0
|
0
|
| Recorded Investment |
135
|
547
|
| Unpaid Principal Balance |
344
|
797
|
| Related Allowance |
0
|
325
|
| Average Recorded Investment |
296
|
598
|
| Interest Income Recognized in Period |
$ 6
|
$ 6
|