Allowance for Credit Losses (“ACL”) on Loans - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit loss	$ 38,973,000	$ 37,607,000	$ 28,707,000	$ 27,497,000
Financing receivable, accrued interest receivable	9,400,000
Individually evaluated for impairment threshold	500,000
Individually evaluated for impairment	30,200	73,000
Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Losses [Line Items]
Increase in allowance for credit loss	39,000,000	37,600,000
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit loss	10,400,000	10,353,000	$ 0	$ 0
PCD loan related reserves	$ 6,800,000	$ 6,800,000