Summary of Significant Accounting Policies Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Debt Securities, Held-to-maturity, Allowance for Credit Loss	$ (201)		$ (201)			$ (60)
Off-Balance Sheet, Credit Loss, Liability	2,200		2,200		$ 2,400	2,900
Loans and leases, net of deferred fees and costs (b)	3,372,199		3,372,199			$ 3,402,940
Performance-based insurance commissions	$ 34	$ 138	$ 1,985	$ 1,429