Leases, Long-term Lease Agreements Calssified as Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Information about Leases [Abstract]
Lease liabilities	$ 1,028		$ 1,028
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities		us-gaap:OtherLiabilities
Right of use assets	$ 1,016		$ 1,016
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets		us-gaap:OtherAssets
Weighted average remaining lease term	4 years 5 months 23 days		4 years 5 months 23 days
Weighted average discount rate	2.25%		2.25%
Lease Cost [Abstract]
Operating lease cost	$ 99	$ 82	$ 278	$ 253
Total lease cost	99	82	278	253
Cash paid for amounts included in the measurement of lease liabilities	97	$ 81	274	$ 250
Lease payments due [Abstract]
Three months ending December 31, 2020	96		96
Twelve months ending December 31, 2021	266		266
Twelve months ending December 31, 2022	250		250
Twelve months ending December 31, 2023	156		156
Thereafter	366		366
Total undiscounted cash flows	1,134		1,134
Discount	(106)		(106)
Lease liabilities	$ 1,028		$ 1,028