Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 9,978,052	$ 10,062,940
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	623,246	767,622
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,656,130	1,670,281
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,368,339	3,319,890
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,521,399	2,445,692
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,566,199	1,607,888
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	242,739	251,567
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,121,609	3,227,169
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	168,116	247,654
Acquired Non-PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	532,259	552,627
Acquired Non-PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,293,008	1,323,222
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	745,349	710,129
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	305,200	318,683
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	77,677	74,854
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	242,679	264,317
PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	539	542
PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	35,785	38,021
PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	140,912	152,080
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	19,814	20,815
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	44,954	52,115
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	675	744
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	6,613,764	6,571,454
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	454,591	519,426
Portfolio Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,088,086	1,079,633
Portfolio Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,934,419	1,844,588
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,756,236	1,714,748
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,216,045	1,237,090
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 164,387	$ 175,969