Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Cost	$ 7,104	$ 5,761
Short-term Lease, Cost	445	455
Lease, Cost	7,549	6,216
Operating Lease, Right-of-Use Asset	115,455		$ 125,822
Operating Lease, Liability, Current	26,715		26,927
Operating Lease, Liability, Noncurrent	93,687		104,070
Operating Lease, Liability	120,402		$ 130,997
Operating Lease, Payments	7,411	5,243
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 1,790	2,748
Operating Lease, Weighted Average Remaining Lease Term	6 years 7 months 6 days		5 years 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	4.37%		3.95%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 21,588
Lessee, Operating Lease, Liability, Payments, Due Year Two	27,905
Lessee, Operating Lease, Liability, Payments, Due Year Three	25,479
Lessee, Operating Lease, Liability, Payments, Due Year Four	20,013
Lessee, Operating Lease, Liability, Payments, Due Year Five	13,449
Lessee, Operating Lease, Liability, Payments, Due after Year Five	34,023
Lessee, Operating Lease, Liability, Payments, Due	142,457
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	22,055
Sublease Income	800	$ 900
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals	$ 9,000