Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Remaining lease terms	12 years
Operating lease costs	$ 12,400	$ 10,900
Operating lease payments	11,700	10,400
Short-term lease expense	200	600
Sublease income	$ 200	$ 200
Weighted average discount rate	7.24%		7.24%
Weighted average lease term	8 years 7 months 6 days		8 years 9 months 18 days
Right-of-use assets	$ 195,510		$ 201,661
Operating lease liability, current	28,300		27,200
Right-of-use liabilities	221,265		227,942
Rent expense, under 842	$ 12,500
Rent expense, under 840			$ 11,700
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 year
Options to extend leases	5 years
Maximum
Lessee, Lease, Description [Line Items]
Options to extend leases	10 years