Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
NOW account and other demand deposits	$ 10,630	$ 8,576
Non-interest bearing demand deposits	19,428	20,937
Money market deposits	25,788	16,266
Passbook	35,390	36,970
Certificates of deposit	181,378	135,118
Total	272,614	217,867
Brokered deposits	0	0
Aggregate amount of certificates of deposit in denominations of $100,000 or more	151,600	103,400
Scheduled maturities of certificates of deposit
2016	99,098
2017	74,745
2018	5,084
2019	1,128
2020	1,073
Thereafter	250
Total	181,378	135,118
Principal officers and directors
Total	$ 1,800	$ 1,700