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Allowance for Credit Losses - Loans Modified in Troubled Debt Restructuring (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) loan subsidiary | Dec. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Loans | loan | 7 | 2
Pre- Modification Outstanding Recorded Investment | $ 714 | $ 219
Post-Modification Outstanding Recorded Investment | $ 714 | $ 219
Number of loans Defaulted TDRs | loan | 1 | 1
Post- Modification Outstanding Recorded Investment TDRs | $ 87 | $ 201
Mortgages |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Loans | subsidiary | 7 |
Pre- Modification Outstanding Recorded Investment | $ 714 |
Post-Modification Outstanding Recorded Investment | $ 714 |
Number of loans Defaulted TDRs | subsidiary | 1 |
Post- Modification Outstanding Recorded Investment TDRs | $ 87 |
Residential real estate | Home equity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Loans | loan |  | 2
Pre- Modification Outstanding Recorded Investment |  | $ 219
Post-Modification Outstanding Recorded Investment |  | $ 219
Number of loans Defaulted TDRs | loan |  | 1
Post- Modification Outstanding Recorded Investment TDRs |  | $ 201

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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 Amount, before troubled debt restructuring, of financing receivable to be modified. + 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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