|
Loans and allowance for loan losses (4) (Details) (USD $)
|
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
$ 47,943,537 |
$ 26,874,702 |
$ 46,818,745 |
$ 24,777,891 |
| Interest income recognized |
901,164 |
5,102 |
1,907,541 |
178,792 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
21,978,421 |
20,141,128 |
21,797,674 |
19,880,706 |
| Interest income recognized |
398 |
2,080 |
173,818 |
8,016 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
69,921,958 |
47,015,830 |
68,616,419 |
44,658,597 |
| Interest income recognized |
901,562 |
7,182 |
2,081,359 |
186,808 |
|
Residential [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
248,422 |
343,992 |
191,544 |
168,361 |
| Interest income recognized |
3,050 |
0 |
14,791 |
4,045 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
0 |
184,660 |
0 |
138,495 |
| Interest income recognized |
0 |
0 |
0 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
248,422 |
528,652 |
191,544 |
306,856 |
| Interest income recognized |
3,050 |
0 |
14,791 |
4,045 |
|
Commercial [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
12,460,662 |
9,224,062 |
10,188,879 |
8,608,213 |
| Interest income recognized |
89,431 |
3,989 |
270,464 |
23,977 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
4,896,911 |
14,083,611 |
5,929,859 |
13,828,972 |
| Interest income recognized |
0 |
1,630 |
1,373 |
4,785 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
17,357,573 |
23,307,673 |
16,118,738 |
22,437,185 |
| Interest income recognized |
89,431 |
5,619 |
271,837 |
28,762 |
|
Total construction and land development [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
12,709,084 |
9,568,054 |
10,380,423 |
8,776,574 |
| Interest income recognized |
92,481 |
3,989 |
285,255 |
28,022 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
4,896,911 |
14,268,271 |
5,929,859 |
13,967,467 |
| Interest income recognized |
0 |
1,630 |
1,373 |
4,785 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
17,605,995 |
23,836,325 |
16,310,282 |
22,744,041 |
| Interest income recognized |
92,481 |
5,619 |
286,628 |
32,807 |
|
Farmland [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
1,049,489 |
0 |
1,049,489 |
0 |
| Interest income recognized |
2,000 |
0 |
17,405 |
0 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
0 |
0 |
|
|
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
1,049,489 |
0 |
1,049,489 |
0 |
| Interest income recognized |
2,000 |
0 |
17,405 |
0 |
|
Commercial real estate - owner occupied [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
7,770,119 |
1,253,390 |
8,631,653 |
1,651,229 |
| Interest income recognized |
213,499 |
0 |
439,458 |
0 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
7,380,990 |
1,753,731 |
7,362,455 |
2,220,067 |
| Interest income recognized |
398 |
0 |
52,668 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
15,151,109 |
3,007,121 |
15,994,108 |
3,871,296 |
| Interest income recognized |
213,897 |
0 |
492,126 |
0 |
|
Commercial real estate - non-owner occupied [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
12,778,883 |
2,289,859 |
13,340,847 |
1,866,440 |
| Interest income recognized |
437,034 |
0 |
677,127 |
49,627 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
4,482,345 |
558,472 |
4,304,172 |
418,854 |
| Interest income recognized |
0 |
0 |
26,222 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
17,261,228 |
2,848,331 |
17,645,019 |
2,285,294 |
| Interest income recognized |
437,034 |
0 |
703,349 |
49,627 |
|
Multifamily [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
1,361,630 |
187,721 |
1,580,204 |
974,736 |
| Interest income recognized |
44,333 |
0 |
71,631 |
0 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
0 |
0 |
0 |
0 |
| Interest income recognized |
0 |
0 |
0 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
1,361,630 |
187,721 |
1,580,204 |
974,736 |
| Interest income recognized |
44,333 |
0 |
71,631 |
0 |
|
Total commercial real estate [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
22,960,121 |
3,730,970 |
24,602,193 |
4,492,405 |
| Interest income recognized |
696,866 |
0 |
1,205,621 |
49,627 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
11,863,335 |
2,312,203 |
11,666,627 |
2,638,921 |
| Interest income recognized |
398 |
0 |
78,890 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
34,823,456 |
6,043,173 |
36,268,820 |
7,131,326 |
| Interest income recognized |
697,264 |
0 |
1,284,511 |
49,627 |
|
Home equity lines [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
1,454,661 |
32,607 |
1,175,339 |
204,024 |
| Interest income recognized |
22,556 |
765 |
55,535 |
13,153 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
431,298 |
246,129 |
406,192 |
203,270 |
| Interest income recognized |
0 |
0 |
6,814 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
1,885,959 |
278,736 |
1,581,531 |
407,294 |
| Interest income recognized |
22,556 |
765 |
62,349 |
13,153 |
|
Secured by 1-4 family residential, secured by first deeds of trust [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
9,222,570 |
9,045,607 |
9,142,698 |
8,154,334 |
| Interest income recognized |
78,162 |
0 |
308,917 |
56,654 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
3,233,526 |
3,233,526 |
2,315,032 |
2,990,049 |
| Interest income recognized |
0 |
0 |
52,470 |
2,502 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
12,456,096 |
12,279,133 |
11,457,730 |
11,144,383 |
| Interest income recognized |
78,162 |
0 |
361,387 |
59,156 |
|
Secured by 1-4 family residential, secured by second deeds of trust [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
674,842 |
160,812 |
646,695 |
189,526 |
| Interest income recognized |
4,677 |
348 |
22,789 |
3,397 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
117,246 |
80,999 |
117,388 |
80,999 |
| Interest income recognized |
0 |
450 |
1,684 |
729 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
792,088 |
241,811 |
764,083 |
270,525 |
| Interest income recognized |
4,677 |
798 |
24,473 |
4,126 |
|
Total consumer real estate [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
11,352,073 |
9,239,026 |
10,964,732 |
8,547,884 |
| Interest income recognized |
105,395 |
1,113 |
387,241 |
73,204 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
3,782,070 |
3,560,654 |
2,838,612 |
3,274,318 |
| Interest income recognized |
0 |
450 |
60,968 |
3,231 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
15,134,143 |
12,799,680 |
13,803,344 |
11,822,202 |
| Interest income recognized |
105,395 |
1,563 |
448,209 |
76,435 |
|
Commercial and industrial loans (except those secured by real estate) [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
876,549 |
3,984,776 |
816,643 |
2,764,133 |
| Interest income recognized |
5,416 |
0 |
27,325 |
27,667 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
1,436,105 |
0 |
1,362,576 |
0 |
| Interest income recognized |
0 |
0 |
32,587 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
2,312,654 |
3,984,776 |
2,179,219 |
2,764,133 |
| Interest income recognized |
5,416 |
0 |
59,912 |
27,667 |
|
Consumer and other [Member]
|
|
|
|
|
| Impaired Loans With No Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
45,710 |
351,876 |
54,754 |
196,895 |
| Interest income recognized |
1,006 |
0 |
2,099 |
272 |
| Impaired Loans With Related Allowance Recorded [Abstract] |
|
|
|
|
| Average recorded investment |
0 |
0 |
0 |
0 |
| Interest income recognized |
0 |
0 |
0 |
0 |
| Total [Abstract] |
|
|
|
|
| Average recorded investment |
45,710 |
351,876 |
54,754 |
196,895 |
| Interest income recognized |
$ 1,006 |
$ 0 |
$ 2,099 |
$ 272 |