Leases - Cash Paid For Operating Leases and Noncash Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 26,986	$ 23,199
Operating lease assets obtained in exchange for lease liabilities	$ 11,954	$ 19,162
Weighted average remaining lease term (years)	6 years 3 months 18 days	6 years 8 months 12 days
Weighted average discount rate	5.50%	5.60%