Leases - Other (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Operating Leases:
Operating lease right-of-use assets	$ 37,386		$ 45,664
Current portion of operating lease liabilities	7,032		7,087
Noncurrent portion of operating lease liabilities	33,166		$ 41,703
Total operating lease liabilities	$ 40,198
Weighted-average remaining lease term	7 years 2 months 15 days		7 years 9 months 14 days
Weighted-average discount rate used in the measurement of our lease liabilities	6.44%		6.67%
Operating lease costs	$ 3,000	$ 2,800
Variable lease costs	$ 500	$ 400