Leases: Lessee - Future Minimum Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Operating Leases
2019	$ 952
2020	936
2021	820
2022	698
2023	699
Thereafter	2,653
Total lease payments	6,758
Less imputed interest	1,221
Present Value of Lease Liabilities - Operating leases	5,537
Finance Leases
2019	83
2020	111
2021	111
2022	111
2023	110
Thereafter	9
Total lease payments	535
Less imputed interest	52
Present value of lease liabilities - Finance Leases	483
Operating and Finance Lease Total
2019	1,035
2020	1,047
2021	931
2022	809
2023	809
Thereafter	2,662
Total lease payments	7,293
Less imputed interest	1,273
Present value of lease liabilities	$ 6,020
Prior Year End Operating Lease Future Minimum Payments
2019		$ 1,052
2020		464
2021		344
2022		224
2023		216
Thereafter		1,776
Total lease payments		$ 4,076