Securities - Amortized Cost and Fair Value of Available-for-sale Securities (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Debt securities available-for-sale:
Amortized Cost	$ 142,429,000	$ 166,984,000
Gross Unrealized Gains	995,000	475,000
Gross Unrealized Losses	(549,000)	(1,046,000)
Fair Value	142,874,504	166,413,218
U.S. Government-sponsored enterprises (GSEs) [Member]
Debt securities available-for-sale:
Amortized Cost	12,708,000	22,745,000
Gross Unrealized Gains	35,000	48,000
Gross Unrealized Losses	0	(50,000)
Fair Value	12,743,000	22,743,000
Municipal securities [Member]
Debt securities available-for-sale:
Amortized Cost	5,176,000	7,614,000
Gross Unrealized Gains	142,000	52,000
Gross Unrealized Losses	0	(17,000)
Fair Value	5,318,000	7,649,000
Mortgage-backed securities [Member]
Debt securities available-for-sale:
Amortized Cost	124,545,000	136,625,000
Gross Unrealized Gains	818,000	375,000
Gross Unrealized Losses	(549,000)	(979,000)
Fair Value	$ 124,814,000	$ 136,021,000