Loans and Allowance for Credit Losses - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	$ 3,546,881	$ 3,493,019
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	(6,551)	(6,454)
Loans receivable	3,540,330	3,486,565
Construction, land and land development loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable
Real Estate Portfolio Segment \| Residential real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Loans receivable	198,844	202,064
Real Estate Portfolio Segment \| Commercial real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Loans receivable	1,310,882	1,374,801
Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,232,476	1,206,876
Loans receivable	12,230	13,542
Community Bank
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,866,032	1,889,000
Community Bank \| Commercial and industrial loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	149,926	150,395
Community Bank \| Construction, land and land development loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	194,150	148,198
Community Bank \| Real Estate Portfolio Segment \| Residential real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	198,844	202,064
Community Bank \| Real Estate Portfolio Segment \| Commercial real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,310,882	1,374,801
Community Bank \| Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	12,230	13,542
CCBX
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,680,849	1,604,019
CCBX \| Commercial and industrial loans \| Capital call lines
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	199,675	109,017
CCBX \| Commercial and industrial loans \| All other commercial & industrial loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	26,142	33,961
CCBX \| Real Estate Portfolio Segment \| Residential real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	234,786	267,707
CCBX \| Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	686,321	664,780
CCBX \| Consumer and other loans: \| Credit cards
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	$ 533,925	$ 528,554

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
-Section 50
-Paragraph 3
-SubTopic 20
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481569/310-20-50-3

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