Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Loans	$ 10,443,021	$ 10,299,950
Nonaccrual	71,018	92,446
Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	2,534,200	2,669,695
Nonaccrual	23,774	27,603
PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	156,289	178,083
Nonaccrual	13,369	19,593
Current
Financing Receivable, Past Due [Line Items]
Loans	10,354,815	10,191,950
Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	2,508,372	2,638,181
Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	142,228	158,323
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	15,909	14,560
Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,831	3,645
Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	525	0
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,215	792
Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	159	231
Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	167	0
Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	64	202
Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	64	35
Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	167
Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	618,493	648,053
Nonaccrual	1,114	1,152
Construction and land development | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	58,076	79,370
Nonaccrual	519	535
Construction and land development | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	534	535
Nonaccrual	492	492
Construction and land development | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	57,295	78,728
Construction and land development | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	42	43
Construction and land development | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	168	8
Construction and land development | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	30	99
Construction and land development | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	64	0
Construction and land development | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,713,579	1,686,629
Nonaccrual	7,620	8,740
Commercial real estate - owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	461,936	477,459
Nonaccrual	3,692	1,927
Commercial real estate - owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	28,973	31,632
Nonaccrual	1,785	4,645
Commercial real estate - owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	457,542	473,118
Commercial real estate - owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	27,188	26,987
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	702	2,414
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	3,513,400	3,503,808
Nonaccrual	22,357	29,882
Commercial real estate - non-owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,091,992	1,156,849
Nonaccrual	2,765	5,160
Commercial real estate - non-owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	91,768	103,903
Nonaccrual	6,664	7,715
Commercial real estate - non-owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,089,164	1,151,541
Commercial real estate - non-owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	84,579	96,188
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	63	148
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	525	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	2,653,012	2,616,785
Nonaccrual	18,037	23,894
Residential real estate | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	704,205	719,589
Nonaccrual	10,096	11,828
Residential real estate | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	14,182	14,241
Nonaccrual	696	1,322
Residential real estate | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	693,088	706,566
Residential real estate | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	13,319	12,752
Residential real estate | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	892	1,064
Residential real estate | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	129	131
Residential real estate | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	167	0
Residential real estate | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	167
Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,753,090	1,651,354
Nonaccrual	17,818	20,509
Commercial and financial | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	181,145	199,146
Nonaccrual	3,372	3,258
Commercial and financial | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	20,633	27,519
Nonaccrual	3,707	5,366
Commercial and financial | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	177,773	195,853
Commercial and financial | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	16,926	22,153
Commercial and financial | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	35
Commercial and financial | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer
Financing Receivable, Past Due [Line Items]
Loans	191,447	193,321
Nonaccrual	4,072	8,269
Consumer | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	36,846	37,282
Nonaccrual	3,330	4,895
Consumer | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	199	253
Nonaccrual	25	53
Consumer | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	33,510	32,375
Consumer | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	174	200
Consumer | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	6	11
Consumer | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	1
Consumer | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans
Financing Receivable, Past Due [Line Items]
Loans	7,752,532	7,452,172
Nonaccrual	33,875	45,250
Portfolio Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	7,704,215	7,395,446
Portfolio Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	13,553	10,915
Portfolio Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	889	561
Portfolio Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	559,883	568,148
Nonaccrual	103	125
Portfolio Loans | Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Loans	557,384	567,896
Portfolio Loans | Construction and land development | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,396	127
Portfolio Loans | Construction and land development | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,222,670	1,177,538
Nonaccrual	2,143	2,168
Portfolio Loans | Commercial real estate - owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,214,804	1,172,287
Portfolio Loans | Commercial real estate - owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	5,723	3,083
Portfolio Loans | Commercial real estate - owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	2,329,640	2,243,056
Nonaccrual	12,928	17,007
Portfolio Loans | Commercial real estate - non-owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	2,316,118	2,225,216
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	594	833
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	1,934,625	1,882,955
Nonaccrual	7,245	10,744
Portfolio Loans | Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,923,523	1,866,295
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,135	5,466
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	722	450
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,551,312	1,424,689
Nonaccrual	10,739	11,885
Portfolio Loans | Commercial and financial | Current
Financing Receivable, Past Due [Line Items]
Loans	1,539,318	1,411,623
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,088	1,075
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	167	106
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans	154,402	155,786
Nonaccrual	717	3,321
Portfolio Loans | Consumer | Current
Financing Receivable, Past Due [Line Items]
Loans	153,068	152,129
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	617	331
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	5
Portfolio Loans | Consumer | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	$ 0	$ 0