Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Lease Payments
2019	$ 908
2020	1,820
2021	1,364
2022	554
2023	378
Thereafter	5,248
Total	10,272
Undiscounted Cash Flow
2019	126
2020	210
2021	158
2022	134
2023	124
Thereafter	1,704
Total	2,456
Lease Liability
2019	782
2020	1,610
2021	1,206
2022	420
2023	254
Thereafter	3,544
Total	$ 7,816	$ 0