Leases - Schedule of Components of Lease Cost for Operating Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating leases:
Lease cost	$ 53,821	$ 49,872
Variable lease cost	3,739	3,819
Short term lease cost	468	267
Operating lease cost	58,028	53,958
Sublease income	(1,798)	(1,386)
Total lease cost net	$ 56,230	$ 52,572