Fair Value (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair Value
Fair Value Assets Transfers between Levels Amount	$ 0
Recurring basis | Residential mortgage-backed
Fair Value
Securities available-for-sale, at fair value	13,201,000	$ 12,167,000
Recurring basis | U.S. Government and federal agency
Fair Value
Securities available-for-sale, at fair value	2,008,000	1,973,000
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government and federal agency
Fair Value
Securities available-for-sale, at fair value	2,008,000	1,973,000
Recurring basis | Significant Other Observable Unobservable Inputs (Level 2) | Residential mortgage-backed
Fair Value
Securities available-for-sale, at fair value	$ 13,201,000	$ 12,167,000