Commitments and Contingencies - Summary of Future Minimum Lease Payments for Capital and Operating Lease (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Present value of payments
2019	$ 721
2020	154
2021	18
2022	3
2023	0
Thereafter	0
Total	896
Interest
2019	43
2020	4
2021	1
2022	0
2023	0
Thereafter	0
Total	48
Total Capital lease payments
2019	764
2020	158
2021	19
2022	3
2023	0
Thereafter	0
Total	944
Operating lease payments
2019	6,994
2020	6,177
2021	3,731
2022	2,142
2023	1,745
Thereafter	1,199
Total	21,988
Total Lease payments
2019	7,758
2020	6,335
2021	3,750
2022	2,145
2023	1,745
Thereafter	1,199
Total Lease payments	$ 22,932