Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 146,669	$ 155,640	$ 148,931	$ 113,895	$ 113,895
Allowance on PCD Loans Acquired During the Period		5,544		18,879
Provision for Credit Losses	4,918	(764)	6,286	30,834
Charge- Offs	(11,425)	(2,740)	(16,053)	(6,345)	(24,795)
Recoveries	1,479	2,035	2,477	2,452
Ending Balance	141,641	159,715	141,641	159,715	148,931
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	7,001	6,540	8,637	6,464	6,464
Allowance on PCD Loans Acquired During the Period		0		5
Provision for Credit Losses	(1,515)	414	(3,155)	483
Charge- Offs	(1)	0	(1)	0	0
Recoveries	8	6	12	8
Ending Balance	5,493	6,960	5,493	6,960	8,637
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	10,017	6,292	5,529	6,051	6,051
Allowance on PCD Loans Acquired During the Period		0		139
Provision for Credit Losses	1,866	125	6,350	226
Charge- Offs	(302)	0	(302)	0	0
Recoveries	1	1	5	2
Ending Balance	11,582	6,418	11,582	6,418	5,529
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	46,601	53,575	48,288	43,258	43,258
Allowance on PCD Loans Acquired During the Period		0		647
Provision for Credit Losses	(1,254)	423	(2,875)	10,138
Charge- Offs	(19)	0	(103)	(109)	(120)
Recoveries	106	105	124	169
Ending Balance	45,434	54,103	45,434	54,103	48,288
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	38,628	39,894	39,016	29,605	29,605
Allowance on PCD Loans Acquired During the Period		0		400
Provision for Credit Losses	638	(3,248)	7	6,650
Charge- Offs	(122)	(109)	(122)	(268)	(356)
Recoveries	65	173	308	323
Ending Balance	39,209	36,710	39,209	36,710	39,016
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	30,707	31,593	34,343	15,648	15,648
Allowance on PCD Loans Acquired During the Period		5,544		17,527
Provision for Credit Losses	4,706	2,202	3,205	8,616
Charge- Offs	(7,950)	(727)	(10,606)	(3,369)	(18,565)
Recoveries	966	1,660	1,487	1,850
Ending Balance	28,429	40,272	28,429	40,272	34,343
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	13,715	17,746	13,118	12,869	12,869
Allowance on PCD Loans Acquired During the Period		0		161
Provision for Credit Losses	477	(680)	2,754	4,721
Charge- Offs	(3,031)	(1,904)	(4,919)	(2,599)	(5,754)
Recoveries	333	90	541	100
Ending Balance	$ 11,494	$ 15,252	$ 11,494	$ 15,252	$ 13,118