Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 10,205,281	$ 10,062,940
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	595,753	767,622
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,676,814	1,670,281
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,573,076	3,319,890
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,564,903	2,445,692
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,575,228	1,607,888
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	219,507	251,567
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,815,635	3,227,169
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	99,756	247,654
Acquired Non-PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	493,986	552,627
Acquired Non-PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,214,092	1,323,222
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	734,399	710,129
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	213,109	318,683
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	60,293	74,854
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	211,460	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	32,019	38,021
PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	130,847	152,080
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	18,563	20,815
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	29,180	52,115
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	312	744
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	7,178,186	6,571,454
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	495,458	519,426
Portfolio Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,150,809	1,079,633
Portfolio Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,228,137	1,844,588
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,811,941	1,714,748
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,332,939	1,237,090
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 158,902	$ 175,969