Leases, Long-term Lease Agreements Calssified as Operating Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Information about Leases [Abstract]
Lease liabilities	$ 437
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities
Right-of-use asset	$ 432
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets
Weighted average remaining lease term	2 years 2 months 1 day
Weighted average discount rate	2.77%
Lease Cost [Abstract]
Operating lease cost	$ 336
Total lease cost	336
Cash paid for amounts included in the measurement of lease liabilities	331
Lease payments due [Abstract]
Twelve months ending December 31, 2020	253
Twelve months ending December 31, 2021	112
Twelve months ending December 31, 2022	83
Total undiscounted cash flows	448
Discount	(11)
Lease liabilities	437
Rental expense of premises and equipment	$ 361	$ 349