Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 142,184	$ 141,641	$ 138,055	$ 148,931	$ 148,931
Allowance on PCD Loans Acquired During the Period	106		106
Provision for Credit Losses	8,371	6,273	22,000	12,559
Charge- Offs	(5,312)	(8,584)	(17,515)	(24,637)	(31,865)
Recoveries	2,104	1,139	4,807	3,616
Ending Balance	147,453	140,469	147,453	140,469	138,055
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,556	5,493	7,252	8,637	8,637
Allowance on PCD Loans Acquired During the Period	0		0
Provision for Credit Losses	945	1,562	241	(1,593)
Charge- Offs	(139)	0	(139)	(1)	(1)
Recoveries	4	3	12	15
Ending Balance	7,366	7,058	7,366	7,058	7,252
CRE - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	12,942	11,582	11,825	5,529	5,529
Allowance on PCD Loans Acquired During the Period	22		22
Provision for Credit Losses	1,388	338	2,503	6,688
Charge- Offs	(197)	(2)	(197)	(304)	(341)
Recoveries	5	0	7	5
Ending Balance	14,160	11,918	14,160	11,918	11,825
CRE - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	46,627	45,434	43,866	48,288	48,288
Allowance on PCD Loans Acquired During the Period	1		1
Provision for Credit Losses	2,828	826	4,761	(2,049)
Charge- Offs	0	(602)	(320)	(705)	(1,485)
Recoveries	348	18	1,496	142
Ending Balance	49,804	45,676	49,804	45,676	43,866
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	41,687	39,209	39,168	39,016	39,016
Allowance on PCD Loans Acquired During the Period	60		60
Provision for Credit Losses	686	(159)	3,390	(152)
Charge- Offs	(174)	(6)	(400)	(128)	(134)
Recoveries	59	104	100	412
Ending Balance	42,318	39,148	42,318	39,148	39,168
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	27,109	28,429	27,533	34,343	34,343
Allowance on PCD Loans Acquired During the Period	18		18
Provision for Credit Losses	2,411	3,003	10,748	6,208
Charge- Offs	(4,431)	(6,180)	(14,163)	(16,786)	(17,616)
Recoveries	1,454	726	2,425	2,213
Ending Balance	26,561	25,978	26,561	25,978	27,533
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	7,263	11,494	8,411	13,118	13,118
Allowance on PCD Loans Acquired During the Period	5		5
Provision for Credit Losses	113	703	357	3,457
Charge- Offs	(371)	(1,794)	(2,296)	(6,713)	(12,288)
Recoveries	234	288	767	829
Ending Balance	$ 7,244	$ 10,691	$ 7,244	$ 10,691	$ 8,411