Fair value - Carrying amounts and estimated fair value of the company's (Details) - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
| Financial assets |
|
|
| Investment securities available for sale |
$ 36,305
|
$ 46,937
|
| Loans held for sale |
27,525
|
12,722
|
| Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Cash |
19,605
|
19,967
|
| Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Cash |
19,605
|
19,967
|
| Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Cash equivalents |
18,482
|
|
| Investment securities available for sale |
36,055
|
46,687
|
| Federal Home Loan Bank stock |
2,141
|
1,694
|
| Loans held for sale |
27,525
|
12,722
|
| Accrued interest receivable |
4,880
|
2,597
|
| Forward sales commitment |
64
|
|
| Financial liabilities |
|
|
| Deposits |
573,852
|
443,208
|
| FHLB borrowings |
39,000
|
29,000
|
| Trust preferred securities |
8,764
|
8,764
|
| Other borrowings |
50,740
|
10,912
|
| Accrued interest payable |
231
|
221
|
| Interest rate lock commitments |
40
|
|
| Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Cash equivalents |
18,482
|
|
| Investment securities available for sale |
36,055
|
46,687
|
| Federal Home Loan Bank stock |
2,141
|
1,694
|
| Loans held for sale |
27,525
|
12,722
|
| Accrued interest receivable |
4,880
|
2,597
|
| Forward sales commitment |
64
|
|
| Financial liabilities |
|
|
| Deposits |
578,425
|
443,645
|
| FHLB borrowings |
39,447
|
29,285
|
| Trust preferred securities |
9,630
|
9,812
|
| Other borrowings |
50,740
|
10,912
|
| Accrued interest payable |
231
|
221
|
| Interest rate lock commitments |
40
|
|
| Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Investment securities available for sale |
250
|
250
|
| Loans |
598,721
|
427,827
|
| Impaired loans |
1,368
|
1,468
|
| Assets held for sale |
0
|
514
|
| Other real estate owned |
336
|
526
|
| Bank owned life insurance |
7,756
|
7,612
|
| Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member] |
|
|
| Financial assets |
|
|
| Investment securities available for sale |
250
|
250
|
| Loans |
599,223
|
429,254
|
| Impaired loans |
1,368
|
1,468
|
| Assets held for sale |
0
|
514
|
| Other real estate owned |
336
|
526
|
| Bank owned life insurance |
$ 7,756
|
$ 7,612
|