Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lease, Cost [Abstract]
Operating Lease, Cost	$ 26,076	$ 30,339	$ 29,908
Variable Lease, Cost	4,860	5,577	4,889
Sublease Income	(554)	(557)	(577)
Lease, Cost	30,382	35,359	34,220
Operating Lease, Payments	30,487	31,212	31,223
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 15,226	$ 9,211	$ 22,948
Operating Lease, Weighted Average Remaining Lease Term	7 years 6 months	8 years 14 days	8 years 4 months 20 days
Operating Lease, Weighted Average Discount Rate, Percent	3.04%	3.19%	3.31%