Leases Lease, Cost and Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating Lease Costs(a)	$ 3,970	$ 2,708	$ 9,224	$ 8,502
Finance Lease Costs	39	0	115	0
Operating Lease Cash Flows	2,871	2,968	8,303	8,538
Finance Lease Cash Flows	40	$ 0	82	$ 0
Operating Lease Costs, Breaking of Leases with Consolidating Branches	$ 1,500		$ 1,500