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Loans and Allowance for Credit Losses - Loans Modified and Classified as TDR (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2022 USD ($) | Dec. 31, 2022 contract | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) contract
Number of TDR loan modifications | 6 |  | 16 | 3 | 2
Balance |  | $ 8,475 |  | $ 702 | $ 7,853
Principal amount forgiven |  | $ 0 |  |  |
Number of contracts, subsequently defaulted |  | 0 |  | 0 | 0
Nonperforming Financial Instruments [Member] |  |  |  |  |
Number of TDR loan modifications | contract |  |  | 2 |  | 12
Total troubled debt restructurings that subsequently defaulted |  | $ 0 |  |  |
Commercial Business and Other |  |  |  |  |
Number of TDR loan modifications | 5 |  | 3 |  | 1
Balance |  | 8,204 |  |  | $ 7,583
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] |  |  |  |  |
Number of TDR loan modifications |  |  |  |  | 1
Balance |  |  |  |  | $ 270
Commercial Real Estate [Member] |  |  |  |  |
Number of TDR loan modifications |  |  |  | 3 |
Balance |  |  |  | $ 702 |
Small Business Administration |  |  |  |  |
Number of TDR loan modifications | 1 |  | 1 |  |
Balance |  | $ 271 |  |  |

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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