Office Properties and Equipment, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Office properties and equipment, net
Office properties and equipment, gross	$ 5,569	$ 5,458
Less accumulated depreciation	(2,999)	(2,761)
Office properties and equipment, net	2,570	2,697
Depreciation expense	238	241
Rent expense	559	478
Land
Office properties and equipment, net
Office properties and equipment, gross	572	572
Office buildings and improvements
Office properties and equipment, net
Office properties and equipment, gross	3,254	3,231
Furniture, fixtures and equipment
Office properties and equipment, net
Office properties and equipment, gross	$ 1,743	$ 1,655