Operating Leases - Schedule of Net Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lessee Disclosure [Abstract]
Operating lease cost	$ 102,595	$ 90,354
Short-term lease cost	502	1,479
Variable lease cost	68	79
Sublease income	(3,894)	(4,761)
Net lease cost	99,271	$ 87,151
Operating lease cash flows	89,122
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 215,662
Weighted average remaining lease term	12 years 3 months 18 days
Weighted average discount rate	4.23%