Loans and Allowance for Credit Losses Schedule of Loans by Impairment Method (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	$ 316	$ 322
Loans, collectively evaluated for impairment	2,759,805	2,746,653
Loans, gross	2,760,121	2,746,975
Commercial [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	0	0
Loans, collectively evaluated for impairment	520,894	519,196
Loans, gross	520,894	519,196
Construction, land and land development [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	0	0
Loans, collectively evaluated for impairment	336,739	363,014
Loans, gross	336,739	363,014
1-4 family residential first mortgages [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	316	322
Loans, collectively evaluated for impairment	74,907	74,889
Loans, gross	75,223	75,211
Home equity [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	0	0
Loans, collectively evaluated for impairment	9,726	10,322
Loans, gross	9,726	10,322
Commercial real estate [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	0	0
Loans, collectively evaluated for impairment	1,810,158	1,771,940
Loans, gross	1,810,158	1,771,940
Consumer and other [Member]
Loans, Allowance for Loan Losses [Line Items]
Loans, individually evaluated for impairment	0	0
Loans, collectively evaluated for impairment	7,381	7,292
Loans, gross	$ 7,381	$ 7,292

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The balance of financing receivables 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 (h)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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The balance of financing receivables that were individually evaluated for impairment.

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