Loans and Allowance for Credit Losses - Summary of an Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 2,843,779	$ 2,633,363
90 Days or More Past Due and Still Accruing	24,562	26,095
Net deferred origination fees and premiums	(6,575)	(6,107)
Loans receivable, post-adoption	2,837,204	2,627,256
Total loans receivable, pre-adoption		2,627,256
30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	38,228	39,436
90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	31,529	33,144
Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	69,757	72,580
Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	2,774,022	2,560,783
Commercial and industrial loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		312,628
90 Days or More Past Due and Still Accruing		404
Commercial and industrial loans | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		393
Commercial and industrial loans | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		486
Commercial and industrial loans | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		879
Commercial and industrial loans | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		311,749
Construction, land, and land development
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		214,055
90 Days or More Past Due and Still Accruing		0
Construction, land, and land development | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		0
Construction, land, and land development | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		66
Construction, land, and land development | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		66
Construction, land, and land development | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		213,989
Real Estate Portfolio Segment | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		449,157
90 Days or More Past Due and Still Accruing		876
Loans receivable, post-adoption	206,140
Real Estate Portfolio Segment | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		1,048,752
90 Days or More Past Due and Still Accruing		0
Loans receivable, post-adoption	1,102,771
Real Estate Portfolio Segment | 30-89 Days Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		1,016
Real Estate Portfolio Segment | 30-89 Days Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		95
Real Estate Portfolio Segment | 90 Days or More Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		876
Real Estate Portfolio Segment | 90 Days or More Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		6,901
Real Estate Portfolio Segment | Total Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		1,892
Real Estate Portfolio Segment | Total Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		6,996
Real Estate Portfolio Segment | Current | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		447,265
Real Estate Portfolio Segment | Current | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		1,041,756
Consumer and other loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		608,771
90 Days or More Past Due and Still Accruing		24,815
Loans receivable, post-adoption	2,860
Consumer and other loans | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		37,932
Consumer and other loans | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		24,815
Consumer and other loans | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		62,747
Consumer and other loans | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable		$ 546,024
Community Bank
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,677,279
90 Days or More Past Due and Still Accruing	0
Community Bank | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	290
Community Bank | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	6,967
Community Bank | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	7,257
Community Bank | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,670,022
Community Bank | Commercial and industrial loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	158,873
90 Days or More Past Due and Still Accruing	0
Community Bank | Commercial and industrial loans | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Commercial and industrial loans | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Commercial and industrial loans | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Commercial and industrial loans | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	158,873
Community Bank | Construction, land, and land development
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	206,635
90 Days or More Past Due and Still Accruing	0
Community Bank | Construction, land, and land development | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Construction, land, and land development | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	66
Community Bank | Construction, land, and land development | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	66
Community Bank | Construction, land, and land development | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	206,569
Community Bank | Real Estate Portfolio Segment | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	206,140
90 Days or More Past Due and Still Accruing	0
Community Bank | Real Estate Portfolio Segment | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,102,771
90 Days or More Past Due and Still Accruing	0
Community Bank | Real Estate Portfolio Segment | 30-89 Days Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	195
Community Bank | Real Estate Portfolio Segment | 30-89 Days Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	92
Community Bank | Real Estate Portfolio Segment | 90 Days or More Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Real Estate Portfolio Segment | 90 Days or More Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	6,901
Community Bank | Real Estate Portfolio Segment | Total Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	195
Community Bank | Real Estate Portfolio Segment | Total Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	6,993
Community Bank | Real Estate Portfolio Segment | Current | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	205,945
Community Bank | Real Estate Portfolio Segment | Current | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,095,778
Community Bank | Consumer and other loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	2,860
90 Days or More Past Due and Still Accruing	0
Community Bank | Consumer and other loans | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	3
Community Bank | Consumer and other loans | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
Community Bank | Consumer and other loans | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	3
Community Bank | Consumer and other loans | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	2,857
CCBX
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,166,500
90 Days or More Past Due and Still Accruing	24,562
CCBX | 30-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	37,938
CCBX | 90 Days or More Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	24,562
CCBX | Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	62,500
CCBX | Current
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,104,000
CCBX | Commercial and industrial loans | Capital call lines
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	118,796
90 Days or More Past Due and Still Accruing	0
CCBX | Commercial and industrial loans | CCBX Other Commercial and Industrial Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	48,669
90 Days or More Past Due and Still Accruing	187
CCBX | Commercial and industrial loans | 30-89 Days Past Due | Capital call lines
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
CCBX | Commercial and industrial loans | 30-89 Days Past Due | CCBX Other Commercial and Industrial Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	589
CCBX | Commercial and industrial loans | 90 Days or More Past Due | Capital call lines
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
CCBX | Commercial and industrial loans | 90 Days or More Past Due | CCBX Other Commercial and Industrial Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	187
CCBX | Commercial and industrial loans | Total Past Due | Capital call lines
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0
CCBX | Commercial and industrial loans | Total Past Due | CCBX Other Commercial and Industrial Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	776
CCBX | Commercial and industrial loans | Current | Capital call lines
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	118,796
CCBX | Commercial and industrial loans | Current | CCBX Other Commercial and Industrial Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	47,893
CCBX | Real Estate Portfolio Segment | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	249,367
90 Days or More Past Due and Still Accruing	946
CCBX | Real Estate Portfolio Segment | 30-89 Days Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	2,582
CCBX | Real Estate Portfolio Segment | 90 Days or More Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	946
CCBX | Real Estate Portfolio Segment | Total Past Due | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	3,528
CCBX | Real Estate Portfolio Segment | Current | Residential real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	245,839
CCBX | Consumer and other loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	431,481
CCBX | Consumer and other loans | Credit Card
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	318,187
90 Days or More Past Due and Still Accruing	17,772
CCBX | Consumer and other loans | Other Consumer and Other Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	431,481
90 Days or More Past Due and Still Accruing	5,657
CCBX | Consumer and other loans | 30-89 Days Past Due | Credit Card
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	15,273
CCBX | Consumer and other loans | 30-89 Days Past Due | Other Consumer and Other Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	19,494
CCBX | Consumer and other loans | 90 Days or More Past Due | Credit Card
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	17,772
CCBX | Consumer and other loans | 90 Days or More Past Due | Other Consumer and Other Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	5,657
CCBX | Consumer and other loans | Total Past Due | Credit Card
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	33,045
CCBX | Consumer and other loans | Total Past Due | Other Consumer and Other Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	25,151
CCBX | Consumer and other loans | Current | Credit Card
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	285,142
CCBX | Consumer and other loans | Current | Other Consumer and Other Loans
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 406,330