Leases - Lease Maturities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
For the remaining six months ending December 31, 2019	$ 2,755
2020	4,849
2021	3,814
2022	2,309
2023	1,641
Thereafter	4,887
Total future lease payments	20,255
Imputed interest	(2,910)
Total	$ 17,345