Loans - Schedule of Loans by Credit Quality (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Risk rated loans	$ 72,829	$ 80,451
Pass [Member]
Risk rated loans	62,784	73,361
OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans	8,686	2,852
Substandard [Member]
Risk rated loans	1,359	4,238
Doubtful [Member]
Risk rated loans
Loss [Member]
Risk rated loans
Residential Real Estate [Member]
Risk rated loans	26,801	27,334
Residential Real Estate [Member] | Pass [Member]
Risk rated loans	23,038	25,326
Residential Real Estate [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans	3,392	1,633
Residential Real Estate [Member] | Substandard [Member]
Risk rated loans	371	375
Residential Real Estate [Member] | Doubtful [Member]
Risk rated loans
Residential Real Estate [Member] | Loss [Member]
Risk rated loans
Multi-family Real Estate [Member]
Risk rated loans	6,173	5,829
Multi-family Real Estate [Member] | Pass [Member]
Risk rated loans	6,173	5,829
Multi-family Real Estate [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans
Multi-family Real Estate [Member] | Substandard [Member]
Risk rated loans
Multi-family Real Estate [Member] | Doubtful [Member]
Risk rated loans
Multi-family Real Estate [Member] | Loss [Member]
Risk rated loans
Commercial Real Estate [Member]
Risk rated loans	30,304	29,264
Commercial Real Estate [Member] | Pass [Member]
Risk rated loans	26,417	25,979
Commercial Real Estate [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans	2,899	1,174
Commercial Real Estate [Member] | Substandard [Member]
Risk rated loans	988	2,111
Commercial Real Estate [Member] | Doubtful [Member]
Risk rated loans
Commercial Real Estate [Member] | Loss [Member]
Risk rated loans
Land and Construction [Member]
Risk rated loans	2,825	5,681
Land and Construction [Member] | Pass [Member]
Risk rated loans	430	5,636
Land and Construction [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans	2,395	45
Land and Construction [Member] | Substandard [Member]
Risk rated loans
Land and Construction [Member] | Doubtful [Member]
Risk rated loans
Land and Construction [Member] | Loss [Member]
Risk rated loans
Commercial [Member]
Risk rated loans	5,510	10,514
Commercial [Member] | Pass [Member]
Risk rated loans	5,510	8,768
Commercial [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans
Commercial [Member] | Substandard [Member]
Risk rated loans		1,746
Commercial [Member] | Doubtful [Member]
Risk rated loans
Commercial [Member] | Loss [Member]
Risk rated loans
Consumer [Member]
Risk rated loans	1,216	1,829
Consumer [Member] | Pass [Member]
Risk rated loans	1,216	1,823
Consumer [Member] | OLEM (Other Loans Especially Mentioned) [Member]
Risk rated loans
Consumer [Member] | Substandard [Member]
Risk rated loans		6
Consumer [Member] | Doubtful [Member]
Risk rated loans
Consumer [Member] | Loss [Member]
Risk rated loans