Allowance for loan losses (Details 2) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
$ 3,373
|
$ 3,562
|
$ 5,729
|
$ 7,239
|
| Allowance Individually Evaluated for Impairment |
335
|
851
|
1,512
|
|
| Allowance Collectively Evaluated for Impairment |
3,038
|
2,711
|
4,217
|
|
| Loans Ending Balance |
337,100
|
306,771
|
286,146
|
|
| Loans Individually Evaluated for Impairment |
15,441
|
20,509
|
32,280
|
|
| Loans Collectively Evaluated for Impairment |
321,659
|
286,262
|
253,866
|
|
| Residential [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
41
|
30
|
34
|
135
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
41
|
30
|
34
|
|
| Loans Ending Balance |
6,770
|
5,202
|
4,315
|
|
| Loans Individually Evaluated for Impairment |
0
|
0
|
164
|
|
| Loans Collectively Evaluated for Impairment |
6,770
|
5,202
|
4,151
|
|
| Commercial [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
300
|
291
|
202
|
1,274
|
| Allowance Individually Evaluated for Impairment |
9
|
2
|
26
|
|
| Allowance Collectively Evaluated for Impairment |
291
|
289
|
176
|
|
| Loans Ending Balance |
27,092
|
25,948
|
25,152
|
|
| Loans Individually Evaluated for Impairment |
581
|
1,822
|
3,968
|
|
| Loans Collectively Evaluated for Impairment |
26,511
|
24,126
|
21,184
|
|
| Commercial Real Estate [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
1,076
|
1,695
|
2,651
|
2,226
|
| Allowance Individually Evaluated for Impairment |
86
|
409
|
905
|
|
| Allowance Collectively Evaluated for Impairment |
990
|
1,286
|
1,746
|
|
| Loans Ending Balance |
133,099
|
116,218
|
109,568
|
|
| Loans Individually Evaluated for Impairment |
7,840
|
9,652
|
17,247
|
|
| Loans Collectively Evaluated for Impairment |
125,259
|
106,566
|
92,321
|
|
| Home equity lines [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
271
|
448
|
469
|
$ 424
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
271
|
448
|
469
|
|
| Loans Ending Balance |
20,691
|
20,333
|
20,082
|
|
| Loans Individually Evaluated for Impairment |
703
|
1,238
|
800
|
|
| Loans Collectively Evaluated for Impairment |
19,988
|
19,095
|
19,282
|
|
| Construction and Land Development [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
341
|
321
|
236
|
|
| Allowance Individually Evaluated for Impairment |
9
|
2
|
26
|
|
| Allowance Collectively Evaluated for Impairment |
332
|
319
|
210
|
|
| Loans Ending Balance |
33,862
|
31,150
|
29,467
|
|
| Loans Individually Evaluated for Impairment |
581
|
1,822
|
4,132
|
|
| Loans Collectively Evaluated for Impairment |
33,281
|
29,328
|
25,335
|
|
| Owner Occupied [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
611
|
1,167
|
1,837
|
|
| Allowance Individually Evaluated for Impairment |
86
|
383
|
905
|
|
| Allowance Collectively Evaluated for Impairment |
525
|
784
|
932
|
|
| Loans Ending Balance |
66,021
|
69,256
|
58,804
|
|
| Loans Individually Evaluated for Impairment |
5,604
|
6,785
|
8,311
|
|
| Loans Collectively Evaluated for Impairment |
60,417
|
62,471
|
50,493
|
|
| Non-Owner Occupied [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
406
|
460
|
607
|
|
| Allowance Individually Evaluated for Impairment |
0
|
26
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
406
|
434
|
607
|
|
| Loans Ending Balance |
57,944
|
38,037
|
38,892
|
|
| Loans Individually Evaluated for Impairment |
2,236
|
2,867
|
6,593
|
|
| Loans Collectively Evaluated for Impairment |
55,708
|
35,170
|
32,299
|
|
| Multifamily [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
56
|
51
|
77
|
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
56
|
51
|
77
|
|
| Loans Ending Balance |
8,824
|
8,537
|
11,438
|
|
| Loans Individually Evaluated for Impairment |
0
|
0
|
2,322
|
|
| Loans Collectively Evaluated for Impairment |
8,824
|
8,537
|
9,116
|
|
| Farmland [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
3
|
17
|
130
|
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
3
|
17
|
130
|
|
| Loans Ending Balance |
310
|
388
|
434
|
|
| Loans Individually Evaluated for Impairment |
0
|
0
|
21
|
|
| Loans Collectively Evaluated for Impairment |
310
|
388
|
413
|
|
| First Deed of Trust [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
447
|
602
|
1,345
|
|
| Allowance Individually Evaluated for Impairment |
144
|
324
|
200
|
|
| Allowance Collectively Evaluated for Impairment |
303
|
278
|
1,145
|
|
| Loans Ending Balance |
54,791
|
56,776
|
61,837
|
|
| Loans Individually Evaluated for Impairment |
5,064
|
5,759
|
7,900
|
|
| Loans Collectively Evaluated for Impairment |
49,727
|
51,017
|
53,937
|
|
| Second Deed of Trust [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
136
|
111
|
275
|
|
| Allowance Individually Evaluated for Impairment |
90
|
98
|
142
|
|
| Allowance Collectively Evaluated for Impairment |
46
|
13
|
133
|
|
| Loans Ending Balance |
5,768
|
6,485
|
7,854
|
|
| Loans Individually Evaluated for Impairment |
709
|
1,212
|
1,360
|
|
| Loans Collectively Evaluated for Impairment |
5,059
|
5,273
|
6,494
|
|
| Consumer Real Estate [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
854
|
1,161
|
2,089
|
|
| Allowance Individually Evaluated for Impairment |
234
|
422
|
342
|
|
| Allowance Collectively Evaluated for Impairment |
620
|
739
|
1,747
|
|
| Loans Ending Balance |
81,250
|
83,594
|
89,773
|
|
| Loans Individually Evaluated for Impairment |
6,476
|
8,209
|
10,060
|
|
| Loans Collectively Evaluated for Impairment |
74,774
|
75,385
|
79,713
|
|
| Commercial and industrial loans (except those secured by real estate) [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
223
|
94
|
506
|
|
| Allowance Individually Evaluated for Impairment |
6
|
18
|
239
|
|
| Allowance Collectively Evaluated for Impairment |
217
|
76
|
267
|
|
| Loans Ending Balance |
39,390
|
20,086
|
22,165
|
|
| Loans Individually Evaluated for Impairment |
544
|
826
|
818
|
|
| Loans Collectively Evaluated for Impairment |
38,846
|
19,260
|
21,347
|
|
| Guaranteed student loans [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
158
|
230
|
217
|
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
158
|
230
|
217
|
|
| Loans Ending Balance |
47,398
|
53,989
|
33,562
|
|
| Loans Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Loans Collectively Evaluated for Impairment |
47,398
|
53,989
|
33,562
|
|
| Consumer And Other [Member] |
|
|
|
|
| Financing Receivable, Allowance for Credit Losses [Line Items] |
|
|
|
|
| Allowance Ending Balance |
721
|
61
|
30
|
|
| Allowance Individually Evaluated for Impairment |
0
|
0
|
0
|
|
| Allowance Collectively Evaluated for Impairment |
721
|
61
|
30
|
|
| Loans Ending Balance |
2,101
|
1,734
|
1,611
|
|
| Loans Individually Evaluated for Impairment |
0
|
0
|
23
|
|
| Loans Collectively Evaluated for Impairment |
$ 2,101
|
$ 1,734
|
$ 1,588
|
|