Leases - Cash Paid For Operating Leases and Noncash Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 15,345	$ 13,431
Operating lease assets obtained in exchange for lease liabilities	$ 680	$ 1,455
Weighted average remaining lease term (years)	6 years 1 month 6 days	6 years 6 months
Weighted average discount rate	5.40%	5.60%