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Commitments and Contingent Liabilities - Other (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Commitments and Contingent Liabilities |  |  |  |  |
Provision for indemnification losses | $ 20 | $ 9 | $ 52 | $ 172 |
Mortgage Banking |  |  |  |  |
Commitments and Contingent Liabilities |  |  |  |  |
Recourse period for early payment default, minimum |  |  | 90 days |  |
Recourse period for early payment default, maximum |  |  | 1 year |  |
Indemnification reserve for recourse provisions |  |  |  |  |
Commitments and Contingent Liabilities |  |  |  |  |
Allowance for indemnifications | $ 3,410 |  | $ 3,410 |  | $ 3,360

X
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- Definition The maximum recourse period for residential mortgage loans sold to third parties. + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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