Loans and allowance for loan losses - Recorded investment in past due loans and leases (Details) - USD ($)
$ in Thousands |
Jun. 30, 2019 |
Dec. 31, 2018 |
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
$ 8,453
|
$ 10,018
|
| Current |
411,383
|
404,412
|
| Total loans |
419,836
|
414,430
|
| Recorded Investment, 90 Days and Accruing |
4,259
|
5,573
|
| Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
3,552
|
2,718
|
| Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
642
|
1,727
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
4,259
|
5,573
|
| Construction and Land Development Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
118
|
| Current |
33,129
|
41,490
|
| Total loans |
33,129
|
41,608
|
| Construction and Land Development Commercial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
118
|
| Residential [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
5,176
|
7,704
|
| Total loans |
5,176
|
7,704
|
| Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
118
|
| Current |
27,953
|
33,786
|
| Total loans |
27,953
|
33,904
|
| Commercial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
118
|
| Commercial Real Estate [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
795
|
|
| Current |
212,994
|
206,969
|
| Total loans |
213,789
|
206,969
|
| Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
795
|
|
| Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
561
|
|
| Current |
94,666
|
98,153
|
| Total loans |
95,227
|
98,153
|
| Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
561
|
|
| Non-Owner Occupied [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
234
|
|
| Current |
104,865
|
95,034
|
| Total loans |
105,099
|
95,034
|
| Non-Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
234
|
|
| Multifamily [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
13,291
|
13,597
|
| Total loans |
13,291
|
13,597
|
| Farmland [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Current |
172
|
185
|
| Total loans |
172
|
185
|
| Consumer Real Estate [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
726
|
655
|
| Current |
89,395
|
86,986
|
| Total loans |
90,121
|
87,641
|
| Consumer Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
726
|
333
|
| Consumer Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
322
|
| Home equity lines [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
187
|
315
|
| Current |
19,813
|
20,360
|
| Total loans |
20,000
|
20,675
|
| Home equity lines [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
187
|
|
| Home equity lines [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
315
|
| First Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
516
|
178
|
| Current |
59,092
|
57,232
|
| Total loans |
59,608
|
57,410
|
| First Deed of Trust [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
516
|
171
|
| First Deed of Trust [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
7
|
| Second Deed of Trust [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
23
|
162
|
| Current |
10,490
|
9,394
|
| Total loans |
10,513
|
9,556
|
| Second Deed of Trust [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
23
|
162
|
| Commercial and industrial loans (except those secured by real estate) [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
94
|
745
|
| Current |
44,356
|
35,894
|
| Total loans |
44,450
|
36,639
|
| Commercial and industrial loans (except those secured by real estate) [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
94
|
312
|
| Commercial and industrial loans (except those secured by real estate) [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
433
|
| Guaranteed student loans [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
6,831
|
8,490
|
| Current |
29,295
|
30,825
|
| Total loans |
36,126
|
39,315
|
| Recorded Investment, 90 Days and Accruing |
4,259
|
5,573
|
| Guaranteed student loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
1,930
|
1,946
|
| Guaranteed student loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
642
|
971
|
| Guaranteed student loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
4,259
|
5,573
|
| Consumer And Other [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
7
|
10
|
| Current |
2,214
|
2,248
|
| Total loans |
2,221
|
2,258
|
| Consumer And Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
$ 7
|
9
|
| Consumer And Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Financing Receivable, Recorded Investment, Past Due |
|
$ 1
|