Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 3,045	$ 2,837	$ 6,067	$ 5,472
Short-term lease expense	26	327	53	573
Variable lease expense	546	602	1,116	1,116
Total lease expense	$ 3,617	$ 3,766	$ 7,236	$ 7,161
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	10 years		10 years