Investment securities available for sale - Summary of investment securities available for sale having fair value and unrealized loss position (Details) - USD ($)
|
Mar. 31, 2021 |
Dec. 31, 2020 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
$ 16,712,000
|
$ 7,222,000
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(521,000)
|
(62,000)
|
| Securities in a loss position for more than 12 Months, Fair Value |
1,434,000
|
2,807,000
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
(75,000)
|
(125,000)
|
| Total Fair Value |
18,146,000
|
10,029,000
|
| Total Unrealized Losses |
(596,000)
|
(187,000)
|
| Mortgage Backed Securities [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
14,218,000
|
5,475,000
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(428,000)
|
(51,000)
|
| 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 |
14,218,000
|
5,475,000
|
| Total Unrealized Losses |
(428,000)
|
(51,000)
|
| Municipals [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
1,200,000
|
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(83,000)
|
|
| Total Fair Value |
1,200,000
|
|
| Total Unrealized Losses |
(83,000)
|
|
| Subordinated Debt Offering [Member] |
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
| Securities in a loss position for less than 12 Months, Fair Value |
1,294,000
|
1,747,000
|
| Securities in a loss position for less than 12 Months, Unrealized Losses |
(10,000)
|
(11,000)
|
| Securities in a loss position for more than 12 Months, Fair Value |
1,434,000
|
2,807,000
|
| Securities in a loss Position for more than 12 Months, Unrealized Losses |
(75,000)
|
(125,000)
|
| Total Fair Value |
2,728,000
|
4,554,000
|
| Total Unrealized Losses |
$ (85,000)
|
$ (136,000)
|