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Loans and Allowance for Credit Losses - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	$ 3,426,043	$ 3,033,392
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	(7,211)	(7,300)
Loans receivable	3,418,832	3,026,092
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	212,467	225,391
Real Estate Portfolio Segment | Commercial real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Loans receivable	1,362,452	1,303,533
Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Loans receivable	14,173	1,628
Community Bank
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,904,304	1,837,154
Community Bank | Commercial and industrial loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	152,161	149,502
Community Bank | Construction, land and land development loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	163,051	157,100
Community Bank | Real Estate Portfolio Segment | Residential real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	212,467	225,391
Community Bank | Real Estate Portfolio Segment | Commercial real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,362,452	1,303,533
Community Bank | Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	14,173	1,628
CCBX
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	1,521,739	1,196,238
CCBX | Commercial and industrial loans | Capital call lines
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	103,924	87,494
CCBX | Commercial and industrial loans | All other commercial & industrial loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	36,494	54,298
CCBX | Real Estate Portfolio Segment | Residential real estate loans
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	265,402	238,035
CCBX | Consumer and other loans:
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	482,228	310,574
CCBX | Consumer and other loans: | Credit cards
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Gross loans receivable	$ 633,691	$ 505,837

X

- 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/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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- Definition

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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- Definition

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

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

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