Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 13,574,211	$ 12,627,984
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,755,355	3,327,082
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	233,630	233,100
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10,585,226	9,067,802
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	946,988	723,930
Construction and land development | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	56,285	141,326
Construction and land development | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	533	3,463
Construction and land development | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	890,170	579,141
CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,177,048	2,043,625
CRE - owner occupied | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	408,552	509,118
CRE - owner occupied | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	19,837	28,709
CRE - owner occupied | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,748,659	1,505,798
CRE - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,485,279	4,254,992
CRE - non-owner occupied | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,010,223	1,193,351
CRE - non-owner occupied | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	171,761	150,452
CRE - non-owner occupied | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,303,295	2,911,189
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,281,455	3,098,859
Residential real estate | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	862,235	963,836
Residential real estate | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	28,390	33,155
Residential real estate | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,390,830	2,101,868
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,490,919	2,320,989
Commercial and financial | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	376,240	476,130
Commercial and financial | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	12,805	16,821
Commercial and financial | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,101,874	1,828,038
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	192,522	185,589
Consumer | Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	41,820	43,321
Consumer | PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	304	500
Consumer | Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 150,398	$ 141,768