Leases Leases (Details 2) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 119,787	$ 129,301
Operating Lease, Liability	$ 139,501	$ 145,354
Operating Lease, Weighted Average Remaining Lease Term	5 years 9 months 18 days	6 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	2.54%	2.82%
Finance Lease, Right-of-Use Asset	$ 119,787	$ 129,301