Loans and Allowance for Loan Losses, Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 353,055	$ 300,665	$ 263,233	$ 285,050
Charged-off loans	(76,725)	(54,176)	(54,996)
Recovery of previously charged-off loans	28,119	27,629	16,273
Provision for credit losses	100,996	63,979	16,906
Commercial Real Estate Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	28,690	26,617	19,618	23,298
Charged-off loans	0	(1,413)	(1,420)
Recovery of previously charged-off loans	76	2,082	1,609
Provision for credit losses	1,997	6,330	(3,869)
Commercial real estate non owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	57,687	40,479	58,504	79,132
Charged-off loans	0	(185)	(786)
Recovery of previously charged-off loans	1,632	187	969
Provision for credit losses	15,576	(18,027)	(20,811)
Consumer Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	71,354	36,536	32,104	33,304
Charged-off loans	(883)	(651)	(632)
Recovery of previously charged-off loans	2,114	1,512	2,288
Provision for credit losses	33,587	3,571	(2,856)
Construction and Land Development
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	39,142	36,114	29,429	42,408
Charged-off loans	(3)	(150)	(367)
Recovery of previously charged-off loans	338	471	372
Provision for credit losses	2,693	6,364	(12,984)
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	148,212	144,353	112,340	98,423
Charged-off loans	(60,542)	(39,020)	(46,213)
Recovery of previously charged-off loans	15,556	15,687	7,485
Provision for credit losses	48,845	55,346	52,645
Consumer and Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	7,970	16,566	11,238	$ 8,485
Charged-off loans	(15,297)	(12,757)	(5,578)
Recovery of previously charged-off loans	8,403	7,690	3,550
Provision for credit losses	$ (1,702)	$ 10,395	$ 4,781

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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