|
Loans and allowance for loan losses (3) (Details) (USD $)
|
Jun. 30, 2012
|
Dec. 31, 2011
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
$ 47,438,036 |
$ 34,623,937 |
| Unpaid principal balance |
55,618,658 |
36,856,805 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
25,016,341 |
32,935,362,000 |
| Unpaid principal balance |
28,034,431 |
34,504,362,000 |
| Related allowance |
6,136,977 |
8,795,046,000 |
| Total [Abstract] |
|
|
| Recorded investment |
72,454,377 |
67,559,299,000 |
| Unpaid principal balance |
83,653,089 |
71,361,167,000 |
| Related Allowance |
6,136,977 |
8,795,046,000 |
|
Commercial [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
15,051,292 |
9,722,132 |
| Unpaid principal balance |
19,436,447 |
11,094,408 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
6,509,162 |
14,885,541,000 |
| Unpaid principal balance |
8,711,930 |
15,785,541,000 |
| Related allowance |
1,133,647 |
3,913,820,000 |
| Total [Abstract] |
|
|
| Recorded investment |
21,560,454 |
24,607,673,000 |
| Unpaid principal balance |
28,148,377 |
26,879,949,000 |
| Related Allowance |
1,133,647 |
3,913,820,000 |
|
Residential [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
489,503 |
624,651 |
| Unpaid principal balance |
978,503 |
712,243 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
0 |
587,235,000 |
| Unpaid principal balance |
0 |
587,235,000 |
| Related allowance |
0 |
320,250,000 |
| Total [Abstract] |
|
|
| Recorded investment |
489,503 |
1,211,886,000 |
| Unpaid principal balance |
978,503 |
1,299,478,000 |
| Related Allowance |
0 |
320,250,000 |
|
Total construction and land development [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
15,540,795 |
10,346,783 |
| Unpaid principal balance |
20,414,950 |
11,806,651 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
6,509,162 |
15,472,776,000 |
| Unpaid principal balance |
8,711,930 |
16,372,776,000 |
| Related allowance |
1,133,647 |
4,234,070,000 |
| Total [Abstract] |
|
|
| Recorded investment |
22,049,957 |
25,819,559,000 |
| Unpaid principal balance |
29,126,880 |
28,179,427,000 |
| Related Allowance |
1,133,647 |
4,234,070,000 |
|
Farmland [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
1,049,489 |
0 |
| Unpaid principal balance |
1,049,489 |
|
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
|
0 |
| Total [Abstract] |
|
|
| Recorded investment |
1,049,489 |
0 |
| Unpaid principal balance |
1,049,489 |
0 |
| Related Allowance |
0 |
0 |
|
Commercial real estate - owner occupied [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
6,872,799 |
6,414,362 |
| Unpaid principal balance |
6,903,383 |
6,414,362 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
7,020,688 |
9,508,393,000 |
| Unpaid principal balance |
7,277,790 |
9,652,393,000 |
| Related allowance |
1,852,684 |
2,031,740,000 |
| Total [Abstract] |
|
|
| Recorded investment |
13,893,487 |
15,922,755,000 |
| Unpaid principal balance |
14,181,173 |
16,066,755,000 |
| Related Allowance |
1,852,684 |
2,031,740,000 |
|
Commercial real estate - non-owner occupied [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
8,374,527 |
7,146,531 |
| Unpaid principal balance |
8,549,256 |
7,146,531 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
5,008,676 |
1,719,690,000 |
| Unpaid principal balance |
5,008,676 |
1,719,690,000 |
| Related allowance |
1,338,605 |
450,000,000 |
| Total [Abstract] |
|
|
| Recorded investment |
13,383,203 |
8,866,221,000 |
| Unpaid principal balance |
13,557,932 |
8,866,221,000 |
| Related Allowance |
1,338,605 |
450,000,000 |
|
Multifamily [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
941,632 |
2,019,675 |
| Unpaid principal balance |
941,632 |
2,019,675 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
0 |
0 |
| Unpaid principal balance |
0 |
0 |
| Related allowance |
0 |
0 |
| Total [Abstract] |
|
|
| Recorded investment |
941,632 |
2,019,675,000 |
| Unpaid principal balance |
941,632 |
2,019,675,000 |
| Related Allowance |
0 |
0 |
|
Total commercial real estate [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
17,238,447 |
15,580,568 |
| Unpaid principal balance |
17,443,760 |
15,580,568 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
12,029,364 |
11,228,083,000 |
| Unpaid principal balance |
12,286,466 |
11,372,083,000 |
| Related allowance |
3,191,289 |
2,481,740,000 |
| Total [Abstract] |
|
|
| Recorded investment |
29,267,811 |
26,808,651,000 |
| Unpaid principal balance |
29,730,226 |
26,952,651,000 |
| Related Allowance |
3,191,289 |
2,481,740,000 |
|
Home equity lines [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
1,725,387 |
702,338 |
| Unpaid principal balance |
1,887,187 |
702,338 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
418,936 |
756,892,000 |
| Unpaid principal balance |
467,220 |
756,892,000 |
| Related allowance |
154,665 |
233,606,000 |
| Total [Abstract] |
|
|
| Recorded investment |
2,144,323 |
1,459,230,000 |
| Unpaid principal balance |
2,354,407 |
1,459,230,000 |
| Related Allowance |
154,665 |
233,606,000 |
|
Secured by 1-4 family residential, secured by first deeds of trust [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
10,988,639 |
6,319,837 |
| Unpaid principal balance |
13,033,493 |
6,792,837 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
4,426,370 |
4,224,325,000 |
| Unpaid principal balance |
4,598,717 |
4,749,325,000 |
| Related allowance |
719,908 |
1,007,155,000 |
| Total [Abstract] |
|
|
| Recorded investment |
15,415,009 |
10,544,162,000 |
| Unpaid principal balance |
17,632,210 |
11,542,162,000 |
| Related Allowance |
719,908 |
1,007,155,000 |
|
Secured by 1-4 family residential, secured by second deeds of trust [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
836,754 |
336,257 |
| Unpaid principal balance |
1,012,754 |
336,257 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
117,322 |
167,523,000 |
| Unpaid principal balance |
117,322 |
167,523,000 |
| Related allowance |
105,997 |
119,524,000 |
| Total [Abstract] |
|
|
| Recorded investment |
954,076 |
503,780,000 |
| Unpaid principal balance |
1,130,076 |
503,780,000 |
| Related Allowance |
105,997 |
119,524,000 |
|
Total consumer real estate [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
13,550,780 |
7,358,432 |
| Unpaid principal balance |
15,933,434 |
7,831,432 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
4,962,628 |
5,148,740,000 |
| Unpaid principal balance |
5,183,259 |
5,673,740,000 |
| Related allowance |
980,570 |
1,360,285,000 |
| Total [Abstract] |
|
|
| Recorded investment |
18,513,408 |
12,507,172,000 |
| Unpaid principal balance |
21,116,693 |
13,505,172,000 |
| Related Allowance |
980,570 |
1,360,285,000 |
|
Commercial and industrial loans (except those secured by real estate) [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
1,071,027 |
1,194,913 |
| Unpaid principal balance |
1,789,527 |
1,494,913 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
1,515,187 |
818,597,000 |
| Unpaid principal balance |
1,852,776 |
818,597,000 |
| Related allowance |
831,471 |
452,773,000 |
| Total [Abstract] |
|
|
| Recorded investment |
2,586,214 |
2,013,510,000 |
| Unpaid principal balance |
3,642,303 |
2,313,510,000 |
| Related Allowance |
831,471 |
452,773,000 |
|
Consumer and other [Member]
|
|
|
| With no related allowance recorded [Abstract] |
|
|
| Recorded investment |
36,987 |
143,241 |
| Unpaid principal balance |
36,987 |
143,241 |
| With an allowance recorded [Abstract] |
|
|
| Recorded investment |
0 |
267,166,000 |
| Unpaid principal balance |
0 |
267,166,000 |
| Related allowance |
0 |
266,178,000 |
| Total [Abstract] |
|
|
| Recorded investment |
36,987 |
410,407,000 |
| Unpaid principal balance |
36,987 |
410,407,000 |
| Related Allowance |
$ 0 |
$ 266,178,000 |