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Loans and Allowance for Credit Losses - Allowance for credit losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | $ 63,480 | $ 60,754 | $ 67,338
Provision (credit) charged to expense | 2,250 | 3,000 | (6,700)
Losses charged off | (2,822) | (2,169) | (2,621)
Recoveries | 1,762 | 1,895 | 2,737
Balance at end of period | 64,670 | 63,480 | 60,754
Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 55,743
CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 11,595
Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 12,816 | 9,629 | 8,690
Provision (credit) charged to expense | (5,329) | 3,187 | 939
Balance at end of period | 7,487 | 12,816 | 9,629
Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 8,690
One- To Four-Family Residential and Construction |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 11,171 | 9,364 | 9,069
Provision (credit) charged to expense | (1,390) | 1,652 |
Losses charged off | (31) | (40) | (190)
Recoveries | 70 | 195 | 485
Balance at end of period | 9,820 | 11,171 | 9,364
One- To Four-Family Residential and Construction | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 4,536
One- To Four-Family Residential and Construction | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 4,533
One- To Four-Family Residential and Construction | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 736 | 687 | 917
Provision (credit) charged to expense | (30) | 49 | (230)
Balance at end of period | 706 | 736 | 687
One- To Four-Family Residential and Construction | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 917
Other Residential |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 12,110 | 10,502 | 15,207
Provision (credit) charged to expense | 1,260 | 1,498 | (4,797)
Recoveries |  | 110 | 92
Balance at end of period | 13,370 | 12,110 | 10,502
Other Residential | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 9,375
Other Residential | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 5,832
Other Residential | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 8,624 | 5,703 | 5,227
Provision (credit) charged to expense | (4,618) | 2,921 | 476
Balance at end of period | 4,006 | 8,624 | 5,703
Other Residential | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 5,227
Commercial Real Estate |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 27,096 | 28,604 | 31,176
Provision (credit) charged to expense | 930 | (1,465) | (2,478)
Losses charged off |  | (44) | (142)
Recoveries | 145 | 1 | 48
Balance at end of period | 28,171 | 27,096 | 28,604
Commercial Real Estate | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 33,707
Commercial Real Estate | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | (2,531)
Commercial Real Estate | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 416 | 367 | 354
Provision (credit) charged to expense | 203 | 49 | 13
Balance at end of period | 619 | 416 | 367
Commercial Real Estate | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 354
Commercial Construction |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 2,865 | 2,797 | 2,356
Provision (credit) charged to expense | (27) | 152 | 575
Losses charged off |  | (84) | (154)
Recoveries | 6 |  | 20
Balance at end of period | 2,844 | 2,865 | 2,797
Commercial Construction | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 3,521
Commercial Construction | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | (1,165)
Commercial Construction | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 802 | 908 | 910
Provision (credit) charged to expense | (61) | (106) | (2)
Balance at end of period | 741 | 802 | 908
Commercial Construction | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 910
Commercial Business |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 5,822 | 4,142 | 3,889
Provision (credit) charged to expense | 1,909 | 1,491 |
Losses charged off | (1,037) | (51) | (81)
Recoveries | 241 | 240 | 334
Balance at end of period | 6,935 | 5,822 | 4,142
Commercial Business | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 2,390
Commercial Business | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 1,499
Commercial Business | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 1,734 | 1,582 | 935
Provision (credit) charged to expense | (775) | 152 | 647
Balance at end of period | 959 | 1,734 | 1,582
Commercial Business | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 935
Consumer |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 4,416 | 5,345 | 5,641
Provision (credit) charged to expense | (432) | (328) |
Losses charged off | (1,754) | (1,950) | (2,054)
Recoveries | 1,300 | 1,349 | 1,758
Balance at end of period | 3,530 | 4,416 | 5,345
Consumer | Adjustment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 2,214
Consumer | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | 3,427
Consumer | Allowance for unfunded commitment |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period | 504 | 382 | 347
Provision (credit) charged to expense | (48) | 122 | 35
Balance at end of period | $ 456 | $ 504 | 382
Consumer | Allowance for unfunded commitment | CECL adoption |  |  |
Loans and Allowance for Credit Losses |  |  |
Balance at beginning of period |  |  | $ 347

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