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Loans - Narrative, Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Investment in non accrual loans | $ 7,600 | $ 8,500
Delinquent status classification term | 90 days | 90 days
Principal balance of loans on non accrual status | $ 500 |
Impairment of loans | 4,200 | $ 5,500
Loans on non accrual status with principal balances below threshold definition of an impaired loan | 3,400 | 3,000
Loans past 90 days and still accruing | 384 | 1,100
Loans receivable held-for-sale, amount | 0 | 19,895
Impaired loans not written down by charge-offs |  | $ 7,800
Minimum |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal balance of loans on non accrual status | $ 500 |

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- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 + Details
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