Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Future minimum lease payments
2019	$ 3,646	[1]
2020	3,856
2021	3,691
2022	3,719
2023	3,744
Thereafter	1,331	[1]
Total minimum operating lease payments	$ 19,987	[1]

[1] Operating and capital leases include total future minimum rent payments under non-cancelable operating and capital lease agreements.