Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 3,022	$ 2,635
Short-term lease expense	27	246
Variable lease expense	570	514
Total lease expense	$ 3,619	$ 3,395
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	10 years