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Other Real Estate Owned and Repossessed Assets - Summary of Repossessed Assets Activity (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Other Real Estate And Other Assets Acquired In Foreclosure [Line Items] |  |
Sales proceeds | $ (891) | $ (370)
Gross gains | 401 | 38
Gross losses |  | (44)
Net gains (losses) | 401 | (6)
Impairment | (67) | (10)
Repossessed Assets [Member] |  |
Other Real Estate And Other Assets Acquired In Foreclosure [Line Items] |  |
Beginning balance | 245 | 256
Transfers from loans | 665 | 746
Sales proceeds | (683) | (446)
Gross losses | (76) | (401)
Net gains (losses) | (76) | (401)
Ending balance | $ 151 | $ 155

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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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- Definition Carrying amount as of the balance sheet date of assets other than real property that were received in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4437-111522 + Details
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