Leases - Schedule of Maturities of Operating and Finance Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leases
2019 (excluding the six months ended June 30, 2019)	$ 319
2020	1,252
2021	1,061
2022	1,007
2023	1,037
Thereafter	4,865
Total lease payments	9,541
Imputed interest	(3,394)
Tenant allowance	(1,004)
Total	5,143
Finance Lease Liabilities, Payments, Due [Abstract]
2019 (excluding the six months ended June 30, 2019)	17
2020	32
2021	32
Total lease payments	81
Imputed interest	(9)
Total	$ 72