- Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 79,068	$ 82,705
Unrealized Gains	468	269
Unrealized Losses	(604)	(1,099)
Estimated Fair Values	78,932	81,875
U.S. agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,005	8,150
Unrealized Gains	88	12
Unrealized Losses	(12)	(94)
Estimated Fair Values	8,081	8,068
Corporate securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,134	7,654
Unrealized Gains	24	14
Unrealized Losses	(75)	(168)
Estimated Fair Values	7,083	7,500
Municipal bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,183	15,183
Unrealized Gains	247	164
Unrealized Losses	(34)	(83)
Estimated Fair Values	9,396	15,264
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	43,128	45,856
Unrealized Gains	61	52
Unrealized Losses	(438)	(713)
Estimated Fair Values	42,751	45,195
U.S. Small Business Administration securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	11,618	5,862
Unrealized Gains	48	27
Unrealized Losses	(45)	(41)
Estimated Fair Values	$ 11,621	$ 5,848