Leases - Future Maturities of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating Leases
2019	$ 419
2020	909
2021	934
2022	959
2023	877
Thereafter	2,024
Total undiscounted lease payments	6,122
Less: unrecognized interest	(1,840)
Total lease liability	4,282
Finance Leases
2019	295
2020	567
2021	448
2022	180
Total undiscounted lease payments	1,490
Less: unrecognized interest	(187)
Plus: residual value guarantees	373
Total lease liability	$ 1,676