Leases, Long-term Lease Agreements Calssified as Operating Leases (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Information about Leases [Abstract]
Lease liabilities	$ 672
Right of use assets	$ 671
Weighted average remaining lease term	2 years 7 months 17 days
Weighted average discount rate	2.77%
Lease Cost [Abstract]
Operating lease cost	$ 85
Total lease cost	85
Cash paid for amounts included in the measurement of lease liabilities	84
Lease payments due [Abstract]
Nine months ending December 31, 2019	247
Twelve months ending December 31, 2020	256
Twelve months ending December 31, 2021	111
Twelve months ending December 31, 2022	83
Total undiscounted cash flows	697
Discount	(25)
Lease liabilities	$ 672