Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Allowance for Credit Loss		$ 83,197	$ 85,675	$ 56,679	$ 51,512
Off-Balance Sheet, Credit Loss, Liability		4,282	116
Net deferred tax liability		450	2,892
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		1,110,759	1,040,256
PPP loans originated		74,400	331,600
Financing Receivable, Allowance for Credit Losses [Line Items]
Off-Balance Sheet, Credit Loss, Liability		4,282	116
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		1,110,759	1,040,256
Net deferred tax liability		450	2,892
Financing Receivable, Allowance for Credit Loss		$ 83,197	85,675	$ 56,679	$ 51,512
Qualitative Reserve ACL	$ 57,900		74,900
Decline in qualitative reserve ACL	$ 17,000
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]
Financing Receivable, Allowance for Credit Loss			6,090
Off-Balance Sheet, Credit Loss, Liability			3,866
Net deferred tax liability			(2,115)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(7,956)
Financing Receivable, Allowance for Credit Losses [Line Items]
Off-Balance Sheet, Credit Loss, Liability			3,866
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(7,956)
Net deferred tax liability			(2,115)
Financing Receivable, Allowance for Credit Loss			$ 6,090