Leases - Maturity Schedule (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating
2019	$ 274
2020	370
2021	378
2022	385
2023	360
2024 and thereafter	3,969
Total undiscounted cash flows	5,736
Discount on cash flows	(1,495)
Total lease liability	4,241	$ 4,300	$ 0
Finance
2019	243
2020	318
2021	320
2022	321
2023	322
2024 and thereafter	8,494
Total undiscounted cash flows	10,018
Discount on cash flows	(4,012)
Total lease liability	$ 6,006	$ 6,000