Leases - Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Lease Costs:
Fixed	$ 54,397	$ 52,875	$ 52,317
Variable	6,281	5,973	6,584
Short-term	17,847	18,436	17,387
Total	$ 78,525	$ 77,284	$ 76,288
Operating leases	5 years 9 months 18 days	5 years 10 months 24 days	5 years 10 months 24 days
Finance leases	4 years 2 months 12 days	4 years 9 months 18 days	5 years 10 months 24 days
Operating leases	2.70%	2.90%	3.20%
Finance leases	3.40%	3.60%	4.10%