Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 12,641,432	$ 12,627,984
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	745,362	723,930
CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,021,885	2,043,625
CRE - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,178,003	4,254,992
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,162,509	3,098,859
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,353,118	2,320,989
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	180,555	185,589
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,110,836	3,327,082
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	118,541	141,326
Acquired Non-PCD Loans | CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	491,435	509,118
Acquired Non-PCD Loans | CRE - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,101,008	1,193,351
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	920,009	963,836
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	437,130	476,130
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	42,713	43,321
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	215,200	233,100
PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,466	3,463
PCD Loans | CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	21,733	28,709
PCD Loans | CRE - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	142,216	150,452
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	32,093	33,155
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	15,262	16,821
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	430	500
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	9,315,396	9,067,802
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	623,355	579,141
Portfolio Loans | CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,508,717	1,505,798
Portfolio Loans | CRE - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,934,779	2,911,189
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,210,407	2,101,868
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,900,726	1,828,038
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 137,412	$ 141,768