Investment securities available for sale - Summary of investment securities available for sale having fair value and unrealized loss position (Details) - USD ($)
$ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
$ 7,239
|
$ 5,507
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(109)
|
(33)
|
| Securities in a loss position for more than 12 Months, Fair Value |
901
|
6,308
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
(105)
|
(82)
|
| Total Fair Value |
8,140
|
11,815
|
| Total Unrealized Losses |
(214)
|
(115)
|
| U.S. Government Agencies Obligations [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
|
2,001
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
|
(1)
|
| Securities in a loss position for more than 12 Months, Fair Value |
|
5,368
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
|
(8)
|
| Total Fair Value |
|
7,369
|
| Total Unrealized Losses |
|
(9)
|
| Mortgage Backed Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
2,073
|
2,747
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(28)
|
(26)
|
| Securities in a loss position for more than 12 Months, Fair Value |
|
0
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
|
0
|
| Total Fair Value |
2,073
|
2,747
|
| Total Unrealized Losses |
(28)
|
(26)
|
| Subordinated Debt [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
5,166
|
759
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(81)
|
(6)
|
| Securities in a loss position for more than 12 Months, Fair Value |
901
|
940
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
(105)
|
(74)
|
| Total Fair Value |
6,067
|
1,699
|
| Total Unrealized Losses |
$ (186)
|
$ (80)
|