| Debt Securities, Available-for-Sale [Table Text Block] |
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|
|
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Mortgage-backed |
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Collateralized |
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|
|
|
| |
|
U.S. Treasury Notes |
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|
U.S. government |
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|
Municipal |
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|
residential |
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|
mortgage |
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|
Total available-for- |
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| March 31, 2023 |
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|
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|
agency obligations |
|
|
obligations |
|
|
obligations |
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|
obligations |
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|
sale |
|
| |
|
(Dollars in thousands) |
|
| 1 year or less |
|
$ |
3,920 |
|
|
$ |
1,004 |
|
|
$ |
529 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
5,453 |
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| 1 to 5 years |
|
|
3,425 |
|
|
|
13,695 |
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|
|
5,438 |
|
|
|
14,226 |
|
|
|
21,501 |
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|
|
58,285 |
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| 5 to 10 years |
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|
— |
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|
|
6,560 |
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|
|
3,592 |
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|
|
20,254 |
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|
|
11,503 |
|
|
|
41,909 |
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| After 10 years |
|
|
— |
|
|
|
— |
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|
|
10,619 |
|
|
|
659 |
|
|
|
4,202 |
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|
|
15,480 |
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| Fair value |
|
|
7,345 |
|
|
|
21,259 |
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|
|
20,178 |
|
|
|
35,139 |
|
|
|
37,206 |
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|
|
121,127 |
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| Gross unrealized gains |
|
|
— |
|
|
|
47 |
|
|
|
15 |
|
|
|
— |
|
|
|
— |
|
|
|
62 |
|
| Gross unrealized losses |
|
|
(110 |
) |
|
|
(1,491 |
) |
|
|
(2,422 |
) |
|
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(4,859 |
) |
|
|
(4,528 |
) |
|
|
(13,410 |
) |
| Amortized cost |
|
$ |
7,455 |
|
|
$ |
22,703 |
|
|
$ |
22,585 |
|
|
$ |
39,998 |
|
|
$ |
41,734 |
|
|
$ |
134,475 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
Mortgage-backed |
|
|
Collateralized |
|
|
|
|
|
| |
|
U.S. Treasury Notes |
|
|
U.S. government |
|
|
Municipal |
|
|
residential |
|
|
mortgage |
|
|
Total available-for- |
|
| December 31, 2022 |
|
|
|
|
|
agency obligations |
|
|
obligations |
|
|
obligations |
|
|
obligations |
|
|
sale |
|
| |
|
(Dollars in thousands) |
|
| 1 year or less |
|
$ |
2,433 |
|
|
$ |
1,007 |
|
|
$ |
528 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
3,968 |
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| 1 to 5 years |
|
|
4,855 |
|
|
|
11,511 |
|
|
|
5,394 |
|
|
|
20,033 |
|
|
|
22,809 |
|
|
|
64,602 |
|
| 5 to 10 years |
|
|
— |
|
|
|
8,872 |
|
|
|
2,655 |
|
|
|
15,046 |
|
|
|
11,848 |
|
|
|
38,421 |
|
| After 10 years |
|
|
— |
|
|
|
— |
|
|
|
11,060 |
|
|
|
659 |
|
|
|
2,495 |
|
|
|
14,214 |
|
| Fair value |
|
|
7,288 |
|
|
|
21,390 |
|
|
|
19,637 |
|
|
|
35,738 |
|
|
|
37,152 |
|
|
|
121,205 |
|
| Gross unrealized gains |
|
|
— |
|
|
|
— |
|
|
|
6 |
|
|
|
— |
|
|
|
— |
|
|
|
6 |
|
| Gross unrealized losses |
|
|
(155 |
) |
|
|
(1,870 |
) |
|
|
(2,972 |
) |
|
|
(5,464 |
) |
|
|
(5,105 |
) |
|
|
(15,566 |
) |
| Amortized cost |
|
$ |
7,443 |
|
|
$ |
23,260 |
|
|
$ |
22,603 |
|
|
$ |
41,202 |
|
|
$ |
42,257 |
|
|
$ |
136,765 |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] |
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|
Less than 12 Months |
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|
12 Months or Longer |
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|
Total |
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| |
|
(Dollars in thousands) |
|
| |
|
Fair |
|
|
Unrealized |
|
|
Fair |
|
|
Unrealized |
|
|
Fair |
|
|
Unrealized |
|
| |
|
Value |
|
|
Losses |
|
|
Value |
|
|
Losses |
|
|
Value |
|
|
Losses |
|
| March 31, 2023 |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| U.S. Treasury Notes |
|
$ |
7,345 |
|
|
$ |
110 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
7,345 |
|
|
$ |
110 |
|
| U.S. government agency obligations |
|
|
8,272 |
|
|
|
219 |
|
|
|
11,890 |
|
|
|
1,272 |
|
|
|
20,162 |
|
|
|
1,491 |
|
| Municipal obligations |
|
|
6,859 |
|
|
|
437 |
|
|
|
11,112 |
|
|
|
1,985 |
|
|
|
17,971 |
|
|
|
2,422 |
|
| Mortgage-backed residential obligations |
|
|
2,144 |
|
|
|
165 |
|
|
|
32,995 |
|
|
|
4,694 |
|
|
|
35,139 |
|
|
|
4,859 |
|
| Collateralized mortgage obligations |
|
|
15,133 |
|
|
|
1,002 |
|
|
|
22,073 |
|
|
|
3,526 |
|
|
|
37,206 |
|
|
|
4,528 |
|
| Total |
|
$ |
39,753 |
|
|
$ |
1,933 |
|
|
$ |
78,070 |
|
|
$ |
11,477 |
|
|
$ |
117,823 |
|
|
$ |
13,410 |
|
| December 31, 2022 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| U.S. Treasury Notes |
|
$ |
7,288 |
|
|
$ |
155 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
7,288 |
|
|
$ |
155 |
|
| U.S. government agency obligations |
|
|
17,274 |
|
|
|
1,296 |
|
|
|
4,116 |
|
|
|
574 |
|
|
|
21,390 |
|
|
|
1,870 |
|
| Municipal obligations |
|
|
16,823 |
|
|
|
2,349 |
|
|
|
2,037 |
|
|
|
623 |
|
|
|
18,860 |
|
|
|
2,972 |
|
| Mortgage-backed residential obligations |
|
|
14,365 |
|
|
|
1,618 |
|
|
|
21,373 |
|
|
|
3,846 |
|
|
|
35,738 |
|
|
|
5,464 |
|
| Collateralized mortgage obligations |
|
|
21,449 |
|
|
|
2,014 |
|
|
|
15,703 |
|
|
|
3,091 |
|
|
|
37,152 |
|
|
|
5,105 |
|
| Total |
|
$ |
77,199 |
|
|
$ |
7,432 |
|
|
$ |
43,229 |
|
|
$ |
8,134 |
|
|
$ |
120,428 |
|
|
$ |
15,566 |
|
|