Leases - Other Additional Information Related to Operating Lease Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities — operating cash flows:	$ 85,002	$ 56,896
Right-of-use operating lease assets obtained in exchange for operating lease liabilities	$ 251,119	$ 436,587
Weighted average remaining lease term	6 years		6 years
Weighted average discount rate	1.75%		1.69%