|
Impaired Loans (Detail) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
Mar. 31, 2014
|
Mar. 31, 2013
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
$ 3,669 |
$ 3,791 |
| Unpaid Principal Balance |
4,273 |
4,120 |
| Average Recorded Investment |
3,731 |
4,194 |
| Interest Income Recognized |
28 |
14 |
| Interest Recognized-Cash Method |
30 |
6 |
| Recorded Investment |
2,918 |
3,129 |
| Unpaid Principal Balance |
3,255 |
3,466 |
| Related Allowance |
1,460 |
1,529 |
| Average Recorded Investment |
3,024 |
3,926 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
6,587 |
6,920 |
| Unpaid Principal Balance |
7,528 |
7,586 |
| Related Allowance |
1,460 |
1,529 |
| Average Recorded Investment |
6,755 |
8,120 |
| Interest Income Recognized |
28 |
14 |
| Interest Recognized-Cash Method |
30 |
6 |
|
Residential
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
1,373 |
1,591 |
| Unpaid Principal Balance |
1,671 |
1,869 |
| Average Recorded Investment |
1,482 |
1,594 |
| Interest Income Recognized |
10 |
4 |
| Interest Recognized-Cash Method |
13 |
3 |
| Recorded Investment |
265 |
449 |
| Unpaid Principal Balance |
293 |
487 |
| Related Allowance |
70 |
112 |
| Average Recorded Investment |
357 |
776 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
1,638 |
2,040 |
| Unpaid Principal Balance |
1,964 |
2,356 |
| Related Allowance |
70 |
112 |
| Average Recorded Investment |
1,839 |
2,370 |
| Interest Income Recognized |
10 |
4 |
| Interest Recognized-Cash Method |
13 |
3 |
|
Land
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
118 |
120 |
| Unpaid Principal Balance |
132 |
131 |
| Average Recorded Investment |
119 |
125 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
0 |
3 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
118 |
120 |
| Unpaid Principal Balance |
132 |
131 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
119 |
128 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
|
Construction
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Average Recorded Investment |
0 |
332 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
0 |
0 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
0 |
332 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
|
Commercial Real Estate
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
1,792 |
1,637 |
| Unpaid Principal Balance |
2,053 |
1,643 |
| Average Recorded Investment |
1,715 |
2,022 |
| Interest Income Recognized |
17 |
9 |
| Interest Recognized-Cash Method |
17 |
3 |
| Recorded Investment |
931 |
949 |
| Unpaid Principal Balance |
1,040 |
1,048 |
| Related Allowance |
127 |
145 |
| Average Recorded Investment |
940 |
1,318 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
2,723 |
2,586 |
| Unpaid Principal Balance |
3,093 |
2,691 |
| Related Allowance |
127 |
145 |
| Average Recorded Investment |
2,655 |
3,340 |
| Interest Income Recognized |
17 |
9 |
| Interest Recognized-Cash Method |
17 |
3 |
|
Commercial Business
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
189 |
189 |
| Unpaid Principal Balance |
209 |
209 |
| Average Recorded Investment |
189 |
0 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
1,709 |
1,709 |
| Unpaid Principal Balance |
1,909 |
1,909 |
| Related Allowance |
1,259 |
1,259 |
| Average Recorded Investment |
1,709 |
1,776 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
1,898 |
1,898 |
| Unpaid Principal Balance |
2,118 |
2,118 |
| Related Allowance |
1,259 |
1,259 |
| Average Recorded Investment |
1,898 |
1,776 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
|
Home Equity and Second Mortgage
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
197 |
254 |
| Unpaid Principal Balance |
208 |
268 |
| Average Recorded Investment |
226 |
121 |
| Interest Income Recognized |
1 |
1 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
13 |
22 |
| Unpaid Principal Balance |
13 |
22 |
| Related Allowance |
4 |
13 |
| Average Recorded Investment |
18 |
53 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
210 |
276 |
| Unpaid Principal Balance |
221 |
290 |
| Related Allowance |
4 |
13 |
| Average Recorded Investment |
244 |
174 |
| Interest Income Recognized |
1 |
1 |
| Interest Recognized-Cash Method |
0 |
0 |
|
Other Consumer
|
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Average Recorded Investment |
0 |
0 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
0 |
0 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
0 |
0 |
| Recorded Investment |
0 |
0 |
| Unpaid Principal Balance |
0 |
0 |
| Related Allowance |
0 |
0 |
| Average Recorded Investment |
0 |
0 |
| Interest Income Recognized |
0 |
0 |
| Interest Recognized-Cash Method |
$ 0 |
$ 0 |