Leases - Schedule of Future Minimum Lease Payments to be Paid under Operating Leases (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
2019 (remaining nine months)	$ 2,328
2020	2,703
2021	2,113
2022	1,247
2023	1,184
Thereafter	2,189
Total future lease payments	11,764
(Present value adjustment)	(1,336)
Present value of future lease payments	$ 10,428