Securities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Securities
Amortized Cost	$ 10,806	$ 14,892
Gross Unrealized Gains	200	88
Gross Unrealized Losses		(258)
Fair Value	11,006	14,722
Federal agency debt securities matured	2,000
Securities pledged to secure public deposits	$ 0	$ 0
Securities pledged to secure public deposits	us-gaap:AssetPledgedAsCollateralMember	us-gaap:AssetPledgedAsCollateralMember
Securities of any one issuer, other than U.S. Government, greater than 10% of stockholders' equity	$ 0	$ 0
Sales of securities	$ 0	$ 0
Number of securities held with unrealized gains | security	24	0
Number of securities held with unrealized losses | security	0	10
Federal agency mortgage-backed securities
Securities
Amortized Cost	$ 7,792	$ 9,575
Gross Unrealized Gains	164	88
Gross Unrealized Losses		(155)
Fair Value	$ 7,956	9,508
Number of securities held | security	22
Estimated remaining term	4 years 4 months 24 days
Federal agency debt
Securities
Amortized Cost	$ 3,014	5,317
Gross Unrealized Gains	36
Gross Unrealized Losses		(103)
Fair Value	$ 3,050	$ 5,214
Number of securities held | security	2
Number of securities matured | security	1
Estimated remaining term	5 years 7 months 6 days