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Loans and Allowance for Credit Losses - Nonaccrual and Past Due Greater than 90 Days (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 26,616	$ 31,569
Financing Receivable, Nonaccrual, No Allowance	11,407	13,188
Financing Receivable, 90 Days or More Past Due, Still Accruing	1,605	1,607
Commercial real estate - Owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	3,122	2,694
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial real estate - Non-owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	1,436	1,404
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer real estate – mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	8,277	10,264
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	144
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	350	356
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	13,431	16,849
Financing Receivable, Nonaccrual, No Allowance	11,407	13,188
Financing Receivable, 90 Days or More Past Due, Still Accruing	1,200	1,091
Consumer and other
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	0	2
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 405	$ 372

X

- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. 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 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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+ References

No definition available.

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. 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 16
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

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- Definition

Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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