Leases - Lessee Topic 842 Maturity (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
2019 (remaining 6 months)	$ 5,843
2020	10,109
2021	8,651
2022	8,543
2023	3,100
Thereafter	2
Total minimum lease payments	36,248
Less imputed interest	2,320
Present value of minimum lease payments	$ 33,928