Allowance For Credit Losses - Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	$ 40,003	$ 37,688
Charge-offs	(2,053)	(1,936)
Recoveries	541	2,121
Net (charge-offs) recoveries	(1,512)	185
Provision for credit losses	25,977	2,130
Balance end of period	71,124	40,003
Cumulated adjustment for adoption of ASU
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	$ 6,656	0
Balance end of period		$ 6,656