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Loans and Allowance for Loan Losses - Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | $ 3,673 |  |  |  | $ 5,113 | $ 3,673 | $ 5,113
(Credit) provision charged to expense | $ 15 | $ 15 | $ (485) | (500) | $ (400) | $ (400) | $ (250) | (205) | (955) | (1,255)
Losses charged off |  |  |  |  |  |  |  |  | (722) | (230)
Recoveries |  |  |  |  |  |  |  |  | 56 | 45
Ending Balance | 2,052 |  |  |  | 3,673 |  |  |  | 2,052 | 3,673
Ending balance: individually evaluated for impairment | 0 |  |  |  | 230 |  |  |  | 0 | 230
Ending balance: collectively evaluated for impairment | 2,052 |  |  |  | 3,443 |  |  |  | 2,052 | 3,443
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 123 |  |  |  | 3,933 |  |  |  | 123 | 3,933
Ending balance: collectively evaluated for impairment | 460,875 |  |  |  | 450,439 |  |  |  | 460,875 | 450,439
Commercial |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 1,046 |  |  |  | 1,397 | 1,046 | 1,397
(Credit) provision charged to expense |  |  |  |  |  |  |  |  | (842) | (276)
Losses charged off |  |  |  |  |  |  |  |  | (16) | (78)
Recoveries |  |  |  |  |  |  |  |  | 27 | 3
Ending Balance | 215 |  |  |  | 1,046 |  |  |  | 215 | 1,046
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 215 |  |  |  | 1,046 |  |  |  | 215 | 1,046
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 90,548 |  |  |  | 90,892 |  |  |  | 90,548 | 90,892
Commercial Real Estate |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 1,235 |  |  |  | 1,821 | 1,235 | 1,821
(Credit) provision charged to expense |  |  |  |  |  |  |  |  | 141 | (586)
Losses charged off |  |  |  |  |  |  |  |  | (561) | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0
Ending Balance | 815 |  |  |  | 1,235 |  |  |  | 815 | 1,235
Ending balance: individually evaluated for impairment | 0 |  |  |  | 230 |  |  |  | 0 | 230
Ending balance: collectively evaluated for impairment | 815 |  |  |  | 1,005 |  |  |  | 815 | 1,005
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 123 |  |  |  | 3,933 |  |  |  | 123 | 3,933
Ending balance: collectively evaluated for impairment | 270,189 |  |  |  | 262,844 |  |  |  | 270,189 | 262,844
Residential |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 1,121 |  |  |  | 1,471 | 1,121 | 1,471
(Credit) provision charged to expense |  |  |  |  |  |  |  |  | (303) | (331)
Losses charged off |  |  |  |  |  |  |  |  | (2) | (26)
Recoveries |  |  |  |  |  |  |  |  | 0 | 7
Ending Balance | 816 |  |  |  | 1,121 |  |  |  | 816 | 1,121
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 816 |  |  |  | 1,121 |  |  |  | 816 | 1,121
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 94,012 |  |  |  | 90,132 |  |  |  | 94,012 | 90,132
Installment |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 271 |  |  |  | 424 | 271 | 424
(Credit) provision charged to expense |  |  |  |  |  |  |  |  | 49 | (62)
Losses charged off |  |  |  |  |  |  |  |  | (143) | (126)
Recoveries |  |  |  |  |  |  |  |  | 29 | 35
Ending Balance | 206 |  |  |  | 271 |  |  |  | 206 | 271
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 206 |  |  |  | 271 |  |  |  | 206 | 271
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 6,003 |  |  |  | 6,571 |  |  |  | 6,003 | 6,571
Unallocated |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | $ 0 |  |  |  | $ 0 | 0 | 0
(Credit) provision charged to expense |  |  |  |  |  |  |  |  | 0 | 0
Losses charged off |  |  |  |  |  |  |  |  | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0
Ending Balance | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Loans: |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0
Ending balance: collectively evaluated for impairment | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI https://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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