Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 159,715	$ 90,769	$ 113,895	$ 83,315
Allowance on PCD Loans Acquired During the Period			18,879	51
Provision for Credit Losses	2,694	4,676	33,528	12,054
Charge- Offs	(13,123)	(408)	(19,468)	(1,525)
Recoveries	375	305	2,827	1,467
TDR Allowance Adjustments		(13)		(33)
Ending Balance	149,661	95,329	149,661	95,329
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,960	2,552	6,464	2,751
Allowance on PCD Loans Acquired During the Period			5	0
Provision for Credit Losses	725	792	1,208	529
Charge- Offs	0	0	0	0
Recoveries	0	1	8	65
TDR Allowance Adjustments		0		0
Ending Balance	7,685	3,345	7,685	3,345
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,418	7,376	6,051	8,579
Allowance on PCD Loans Acquired During the Period			139	0
Provision for Credit Losses	(353)	(2,182)	(127)	(3,385)
Charge- Offs	0	0	0	0
Recoveries	0	0	2	0
TDR Allowance Adjustments		0		0
Ending Balance	6,065	5,194	6,065	5,194
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	54,103	46,459	43,258	36,617
Allowance on PCD Loans Acquired During the Period			647	31
Provision for Credit Losses	(1,677)	(6,841)	8,461	2,961
Charge- Offs	0	(179)	(109)	(179)
Recoveries	15	23	184	32
TDR Allowance Adjustments		0		0
Ending Balance	52,441	39,462	52,441	39,462
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	36,710	14,821	29,605	12,811
Allowance on PCD Loans Acquired During the Period			400	17
Provision for Credit Losses	2,009	11,193	8,659	12,901
Charge- Offs	(44)	0	(312)	(1)
Recoveries	60	31	383	334
TDR Allowance Adjustments		(8)		(25)
Ending Balance	38,735	26,037	38,735	26,037
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	40,272	17,144	15,648	19,744
Allowance on PCD Loans Acquired During the Period			17,527	3
Provision for Credit Losses	2,932	(1,457)	11,548	(3,585)
Charge- Offs	(11,814)	(77)	(15,183)	(899)
Recoveries	135	92	1,985	440
TDR Allowance Adjustments		(1)		(2)
Ending Balance	31,525	15,701	31,525	15,701
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	15,252	2,417	12,869	2,813
Allowance on PCD Loans Acquired During the Period			161	0
Provision for Credit Losses	(942)	3,171	3,779	2,633
Charge- Offs	(1,265)	(152)	(3,864)	(446)
Recoveries	165	158	265	596
TDR Allowance Adjustments		(4)		(6)
Ending Balance	$ 13,210	$ 5,590	$ 13,210	$ 5,590