Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Leases
Options to extend the leases	true
Options to terminate	true
Termination term	1 year
Current lease commitment liabilities	$ 5,277		$ 5,664
Noncurrent lease commitment liabilities	8,786		10,088
Right-of-use asset	12,564		$ 13,683
Operating lease cost	$ 1,300	$ 1,700
Minimum
Leases
Remaining lease terms (in years)	1 year
Maximum
Leases
Remaining lease terms (in years)	7 years
Renewal term	5 years