|
Loans and Allowance for Loan Losses (Components of allowance for loan losses) (Details) (USD $) In Thousands, unless otherwise specified
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Dec. 31, 2010
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
$ 9,088 |
$ 10,233 |
$ 12,690 |
$ 14,367 |
$ 13,687 |
$ 12,455 |
| Individually evaluated allowance |
3,213 |
|
6,250 |
|
|
|
| Collectively evaluated allowance |
5,875 |
|
6,440 |
|
|
|
|
Commercial
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
3,073 |
2,429 |
2,817 |
2,751 |
2,782 |
2,925 |
| Individually evaluated allowance |
1,732 |
|
1,300 |
|
|
|
| Collectively evaluated allowance |
1,341 |
|
1,517 |
|
|
|
|
Commercial real estate
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
2,728 |
4,032 |
4,880 |
5,563 |
5,086 |
3,655 |
| Individually evaluated allowance |
604 |
|
2,804 |
|
|
|
| Collectively evaluated allowance |
2,124 |
|
2,076 |
|
|
|
|
Commercial construction
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
67 |
94 |
500 |
722 |
728 |
540 |
| Individually evaluated allowance |
0 |
|
252 |
|
|
|
| Collectively evaluated allowance |
67 |
|
248 |
|
|
|
|
Land and land development loans
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
1,654 |
1,565 |
2,273 |
2,099 |
2,046 |
2,408 |
| Individually evaluated allowance |
345 |
|
728 |
|
|
|
| Collectively evaluated allowance |
1,309 |
|
1,545 |
|
|
|
|
Agriculture
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
187 |
207 |
172 |
802 |
909 |
779 |
| Individually evaluated allowance |
10 |
|
32 |
|
|
|
| Collectively evaluated allowance |
177 |
|
140 |
|
|
|
|
Multifamily
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
56 |
57 |
91 |
95 |
90 |
83 |
| Individually evaluated allowance |
0 |
|
0 |
|
|
|
| Collectively evaluated allowance |
56 |
|
91 |
|
|
|
|
Residential real estate
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
1,042 |
1,601 |
1,566 |
1,643 |
1,324 |
1,252 |
| Individually evaluated allowance |
405 |
|
939 |
|
|
|
| Collectively evaluated allowance |
637 |
|
627 |
|
|
|
|
Residential construction
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
13 |
4 |
59 |
80 |
119 |
65 |
| Individually evaluated allowance |
0 |
|
0 |
|
|
|
| Collectively evaluated allowance |
13 |
|
59 |
|
|
|
|
Consumer
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
198 |
201 |
295 |
584 |
577 |
613 |
| Individually evaluated allowance |
117 |
|
195 |
|
|
|
| Collectively evaluated allowance |
81 |
|
100 |
|
|
|
|
Municipal
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
|
|
| Total allowance |
70 |
43 |
37 |
28 |
26 |
135 |
| Individually evaluated allowance |
0 |
|
0 |
|
|
|
| Collectively evaluated allowance |
$ 70 |
|
$ 37 |
|
|
|