Loans (Loans Aging Information) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current loans	$ 201,806	$ 191,396
Total loans	201,806	191,742
Nonaccrual loans	1,471	1,070
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans past due		346
Commercial Portfolio Segment [Member]
Total loans	114,615	100,524
Commercial Portfolio Segment [Member] | Development [Member]
Current loans	14,852	18,222
Total loans	14,852	18,222
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Current loans	74,369	68,621
Total loans	74,369	68,621
Nonaccrual loans	638
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Current loans	25,394	13,681
Total loans	25,394	13,681
Nonaccrual loans	185	14
Residential Real Estate and Consumer [Member]
Total loans	87,191	91,218
Residential Real Estate and Consumer [Member] | One-to-Four Family Owner-occupied [Member]
Current loans	28,535	29,034
Total loans	28,535	29,380
Nonaccrual loans		346
Residential Real Estate and Consumer [Member] | One-to-Four Family Owner-occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans past due		346
Residential Real Estate and Consumer [Member] | One-to-Four Family Investor-owned [Member]
Current loans	29,175	28,077
Total loans	29,175	28,077
Nonaccrual loans	648	624
Residential Real Estate and Consumer [Member] | Multifamily Loan [Member]
Current loans	25,426	29,531
Total loans	25,426	29,531
Residential Real Estate and Consumer [Member] | Consumer [Member]
Current loans	4,055	4,230
Total loans	$ 4,055	4,230
Nonaccrual loans		$ 86