Loans and Allowance for Credit Losses - Provision for Credit Losses (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Provision for credit loss expense		$ (5,379,000)	$ (31,209,000)	$ 82,488,000
Unfunded commitments	$ 16,000,000	19,453,000	0	(10,000,000)
Securities - HTM		0	(1,183,000)	2,546,000
Securities - AFS		0	(312,000)	(61,000)
Total		$ 14,074,000	$ (32,704,000)	$ 74,973,000