Operating Leases - Schedule of Net Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Lessee Disclosure [Abstract]
Operating lease cost	$ 25,367	$ 23,526	$ 50,490	$ 47,921
Short-term lease cost	78	1,826	233	2,302
Variable lease cost	233	27	341	42
Sublease income	(649)	(996)	(1,308)	(1,904)
Net lease cost	$ 25,029	$ 24,383	49,756	$ 48,361
Operating lease cash flows			47,647
Right-of-use assets obtained in exchange for new operating lease liabilities			$ 19,687
Weighted-average remaining lease term	12 years		12 years
Weighted-average discount rate	4.15%		4.15%