Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Cost	$ 9,114	$ 5,377	$ 16,218	$ 11,175
Short-term Lease, Cost	648	429	1,093	884
Lease, Cost	9,762	5,806	17,311	12,059
Operating Lease, Right-of-Use Asset	110,031		110,031		$ 125,822
Operating Lease, Liability, Current	26,602		26,602		26,927
Operating Lease, Liability, Noncurrent	91,279		91,279		$ 104,070
Operating Lease, Liability	$ 118,155		118,155
Operating Lease, Payments			14,499	10,489
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 5,357	4,954
Operating Lease, Weighted Average Remaining Lease Term	5 years 7 months 6 days		5 years 7 months 6 days		5 years 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	4.25%		4.25%		3.95%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 14,432		$ 14,432
Lessee, Operating Lease, Liability, Payments, Due Year Two	27,781		27,781
Lessee, Operating Lease, Liability, Payments, Due Year Three	25,629		25,629
Lessee, Operating Lease, Liability, Payments, Due Year Four	20,022		20,022
Lessee, Operating Lease, Liability, Payments, Due Year Five	13,440		13,440
Lessee, Operating Lease, Liability, Payments, Due after Year Five	38,009		38,009
Lessee, Operating Lease, Liability, Payments, Due	139,313		139,313
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	21,158		21,158
Sublease Income	1,000	$ 600	1,800	$ 1,500
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals	3,600		$ 3,600
Operating Lease, Impairment Loss	$ 2,100