Loans and Allowance for Credit Losses - Summary of Loans by Credit Quality Risk Rating (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	$ 3,866,474	$ 3,756,829
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	(7,095)	(7,298)
Loans receivable	3,859,379	3,749,531
Commercial and industrial loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	235,603	224,439
Construction, land and land development loans
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable
Real Estate Portfolio Segment \| Residential real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	199,185	202,293
Real Estate Portfolio Segment \| Commercial real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	1,300,547	1,285,856
Consumer and other loans:
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	1,432,015	1,328,461
Loans receivable	11,587	14,072
Pass [Member] \| Commercial and industrial loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	233,964	220,697
Pass [Member] \| Real Estate Portfolio Segment \| Residential real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	197,225	200,087
Pass [Member] \| Real Estate Portfolio Segment \| Commercial real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	1,270,751	1,254,213
Pass [Member] \| Consumer and other loans:
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	11,587	14,072
Substandard [Member] \| Commercial and industrial loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	171	2,151
Substandard [Member] \| Real Estate Portfolio Segment \| Residential real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	1,694	1,419
Substandard [Member] \| Real Estate Portfolio Segment \| Commercial real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	4,344	4,344
Substandard [Member] \| Consumer and other loans:
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	0	0
Doubtful [Member] \| Commercial and industrial loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	0	0
Doubtful [Member] \| Real Estate Portfolio Segment \| Residential real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	0	0
Doubtful [Member] \| Real Estate Portfolio Segment \| Commercial real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	0	0
Doubtful [Member] \| Consumer and other loans:
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	0	0
Other Loan Especially Mentioned \| Commercial and industrial loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	1,468	1,591
Other Loan Especially Mentioned \| Real Estate Portfolio Segment \| Residential real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	266	787
Other Loan Especially Mentioned \| Real Estate Portfolio Segment \| Commercial real estate loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	25,452	27,299
Other Loan Especially Mentioned \| Consumer and other loans:
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable	$ 0	$ 0

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481598/310-20-45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-4

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Name Accounting Standards Codification
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-Paragraph 3
-SubTopic 20
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481569/310-20-50-3

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