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Loans and Allowance for Loan Losses - Summary of Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment and Based on Impairment Method (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Allowance for loan losses: |  |  |  |
Beginning balance |  | $ 8,559 | $ 6,361 | $ 6,361
Provision |  | 250 | 450 | 1,075
Charge-offs |  | (51) |  | (310)
Recoveries |  | 48 |  | 1,433
Ending balance |  | 8,806 |  | 8,559
Ending allowance attributable to loans: |  |  |  |
Individually evaluated for impairment |  | 6 |  | 7
Collectively evaluated for impairment |  | 8,800 |  | 8,552
Ending balance |  | 8,806 |  | 8,559
Loans: |  |  |  |
Individually evaluated for impairment |  | 6,560 |  | 7,228
Collectively evaluated for impairment |  | 595,133 |  | 577,156
Total loans |  | 601,693 |  | 584,384
Commercial (Secured by Real Estate - Owner Occupied) |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 2,701 | 1,913 | 1,913
Provision |  | (266) |  | (519)
Recoveries |  |  |  | 1,307
Ending balance |  | 2,435 |  | 2,701
Ending allowance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 2,435 |  | 2,701
Ending balance |  | 2,435 |  | 2,701
Loans: |  |  |  |
Individually evaluated for impairment |  | 93 |  | 95
Collectively evaluated for impairment |  | 156,239 |  | 158,567
Total loans |  | 156,332 |  | 158,662
Commercial (Secured by Real Estate - Non-owner Occupied) |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 1,980 | 1,171 | 1,171
Provision |  | 240 |  | 809
Ending balance |  | 2,220 |  | 1,980
Ending allowance attributable to loans: |  |  |  |
Individually evaluated for impairment |  | 1 |  | 1
Collectively evaluated for impairment |  | 2,219 |  | 1,979
Ending balance |  | 2,220 |  | 1,980
Loans: |  |  |  |
Individually evaluated for impairment |  | 3,374 |  | 3,387
Collectively evaluated for impairment |  | 116,087 |  | 100,655
Total loans |  | 119,461 |  | 104,042
Commercial and Industrial |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 2,242 | 1,320 | 1,320
Provision |  | 33 |  | 1,119
Charge-offs |  | (26) |  | (234)
Recoveries |  | 3 |  | 37
Ending balance |  | 2,252 |  | 2,242
Ending allowance attributable to loans: |  |  |  |
Individually evaluated for impairment |  |  |  | 1
Collectively evaluated for impairment |  | 2,252 |  | 2,241
Ending balance |  | 2,252 |  | 2,242
Loans: |  |  |  |
Individually evaluated for impairment |  | 388 |  | 753
Collectively evaluated for impairment |  | 154,986 |  | 152,082
Total loans |  | 155,374 |  | 152,835
Paycheck Protection Program |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 0 |  |
Ending balance |  | 0 |  | 0
Ending allowance attributable to loans: |  |  |  |
Ending balance |  | 0 |  | 0
Loans: |  |  |  |
Collectively evaluated for impairment | [1] | 7,078 |  | 17,883
Total loans | [1] | 7,078 |  | 17,883
Construction, Land and Acquisition & Development |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 162 | 224 | 224
Provision |  | 174 |  | (62)
Ending balance |  | 336 |  | 162
Ending allowance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 336 |  | 162
Ending balance |  | 336 |  | 162
Loans: |  |  |  |
Collectively evaluated for impairment |  | 27,138 |  | 16,317
Total loans |  | 27,138 |  | 16,317
Residential Mortgage |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 502 | 970 | 970
Provision |  | (89) |  | (541)
Recoveries |  | 38 |  | 73
Ending balance |  | 451 |  | 502
Ending allowance attributable to loans: |  |  |  |
Individually evaluated for impairment |  | 5 |  | 5
Collectively evaluated for impairment |  | 446 |  | 497
Ending balance |  | 451 |  | 502
Loans: |  |  |  |
Individually evaluated for impairment |  | 2,705 |  | 2,992
Collectively evaluated for impairment |  | 53,743 |  | 60,073
Total loans |  | 56,448 |  | 63,065
Consumer Installment |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 969 | 719 | 719
Provision |  | 147 |  | 310
Charge-offs |  | (25) |  | (76)
Recoveries |  | 7 |  | 16
Ending balance |  | 1,098 |  | 969
Ending allowance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 1,098 |  | 969
Ending balance |  | 1,098 |  | 969
Loans: |  |  |  |
Individually evaluated for impairment |  |  |  | 1
Collectively evaluated for impairment |  | 79,862 |  | 71,579
Total loans |  | 79,862 |  | 71,580
Unallocated |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance |  | 3 | $ 44 | 44
Provision |  | 11 |  | (41)
Ending balance |  | 14 |  | 3
Ending allowance attributable to loans: |  |  |  |
Collectively evaluated for impairment |  | 14 |  | 3
Ending balance |  | $ 14 |  | $ 3
[1] | Includes PPP loans that are fully guaranteed by the SBA; thus no allowance for loan losses has been allocated to these loans.

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- 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 http://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 http://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 http://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 http://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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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