Commitments - Future Minimum Annual Lease Payments under Operating and Financing Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Leases
Remaining 2020	$ 943
2021	1,158
2022	790
2023	60
2024	9
Total minimum lease payments	2,960
Less: amount representing interest	(155)
Present value of obligations under leases	2,805
Less: current portion	(1,160)	$ (672)
Long-term lease obligations	1,645	905
Operating Leases
Remaining 2020	10,242
2021	13,535
2022	13,191
2023	12,924
2024	11,981
Thereafter	116,881
Total minimum lease payments	178,754
Less: amount representing interest	(55,227)
Present value of obligations under leases	123,527
Less: current portion	(7,031)	(5,567)
Long-term lease obligations	$ 116,496	$ 73,153