Loans and Allowance for Loan Losses Schedule of Allowance for Loan Losses Based on Impairment Method (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	$ 2,500	$ 3,000
Allowance for loan losses, collectively evaluated for impairment	25,864	26,436
Allowance for loan losses	28,364	29,436
Commercial [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	4,776	4,718
Allowance for loan losses	4,776	4,718
Construction, land and land development [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	3,646	2,634
Allowance for loan losses	3,646	2,634
1-4 family residential first mortgages [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	339	360
Allowance for loan losses	339	360
Home Equity Loan [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	91	114
Allowance for loan losses	91	114
Commercial real estate [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	2,500	3,000
Allowance for loan losses, collectively evaluated for impairment	16,966	18,535
Allowance for loan losses	19,466	21,535
Consumer and other [Member]
Loans, Allowance for Credit Losses [Line Items]
Allowance for loan losses, individually evaluated for impairment	0	0
Allowance for loan losses, collectively evaluated for impairment	46	75
Allowance for loan losses	$ 46	$ 75

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

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No definition available.

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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
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-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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