Allowance for Credit Losses - Loans (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 06, 2022	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period		$ 58,047	$ 71,124
Initial allowance for credit losses on PCD loans	$ 12,077	12,077	0
Charge-offs		(7,804)	(1,270)
Recoveries		162	206
Net charge-offs		(7,642)	(1,064)
Provision (benefit) for credit loss - loans		4,630	(2,808)
Balance at end of the period		67,112	67,252
Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs		(7,634)	0
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs		$ (170)	$ (1,270)