Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 83,315	$ 92,733	$ 35,154
Initial Allowance on PCD Loans Acquired During the Period	5,275	3,046	6,279
Provision for Loan Losses	26,183	(9,421)	37,779
Charge- Offs	(2,911)	(6,098)	(9,842)
Recoveries	2,070	3,071	2,251
TDR Allowance Adjustments	(37)	(16)	(114)
Ending Balance	113,895	83,315	92,733
Provision for credit losses on accrued interest receivable			400
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,751	4,920	1,842
Initial Allowance on PCD Loans Acquired During the Period	518	0	87
Provision for Loan Losses	3,127	(2,300)	1,399
Charge- Offs	0	0	0
Recoveries	68	133	114
TDR Allowance Adjustments	0	(2)	(1)
Ending Balance	6,464	2,751	4,920
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	8,579	9,868	5,361
Initial Allowance on PCD Loans Acquired During the Period	38	0	1,161
Provision for Loan Losses	(2,566)	(1,289)	3,632
Charge- Offs	0	0	(310)
Recoveries	0	0	18
TDR Allowance Adjustments	0	0	(74)
Ending Balance	6,051	8,579	9,868
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	36,617	38,266	7,863
Initial Allowance on PCD Loans Acquired During the Period	880	1,327	2,236
Provision for Loan Losses	5,871	(1,664)	18,966
Charge- Offs	(179)	(1,327)	(177)
Recoveries	69	15	37
TDR Allowance Adjustments	0	0	0
Ending Balance	43,258	36,617	38,266
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	12,811	17,500	7,667
Initial Allowance on PCD Loans Acquired During the Period	229	0	124
Provision for Loan Losses	16,284	(5,822)	3,840
Charge- Offs	(84)	(57)	(240)
Recoveries	393	1,196	350
TDR Allowance Adjustments	(28)	(6)	(28)
Ending Balance	29,605	12,811	17,500
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	19,744	18,690	9,716
Initial Allowance on PCD Loans Acquired During the Period	1,699	1,719	2,643
Provision for Loan Losses	(5,367)	2,292	8,329
Charge- Offs	(1,233)	(3,987)	(7,091)
Recoveries	807	1,030	1,416
TDR Allowance Adjustments	(2)	0	0
Ending Balance	15,648	19,744	18,690
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,813	3,489	2,705
Initial Allowance on PCD Loans Acquired During the Period	1,911	0	28
Provision for Loan Losses	8,834	(638)	1,613
Charge- Offs	(1,415)	(727)	(2,024)
Recoveries	733	697	316
TDR Allowance Adjustments	(7)	(8)	(11)
Ending Balance	$ 12,869	$ 2,813	3,489
Impact of Adoption of ASC 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			21,226
Impact of Adoption of ASC 326 | Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			1,479
Impact of Adoption of ASC 326 | Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			80
Impact of Adoption of ASC 326 | Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			9,341
Impact of Adoption of ASC 326 | Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			5,787
Impact of Adoption of ASC 326 | Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			3,677
Impact of Adoption of ASC 326 | Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			$ 862