Investments - Major Components of Securities Available for Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Total	$ 49,742	$ 53,799
Gross Unrealized Gain	296	37
Gross Unrealized Loss	(775)	(1,587)
Estimated Fair Value	49,263	52,249
Residential mortgage backed securities issued by U.S. agencies
Schedule of Available-for-sale Securities [Line Items]
Total	42,164	46,126
Gross Unrealized Gain	204	4
Gross Unrealized Loss	(55)	(976)
Estimated Fair Value	42,313	45,154
Residential collateralized mortgage obligations issued by non-agencies
Schedule of Available-for-sale Securities [Line Items]
Total	551	646
Gross Unrealized Gain	0	0
Gross Unrealized Loss	(15)	(14)
Estimated Fair Value	536	632
Asset-backed security
Schedule of Available-for-sale Securities [Line Items]
Total	2,027	2,027
Gross Unrealized Gain	0	0
Gross Unrealized Loss	(698)	(547)
Estimated Fair Value	1,329	1,480
Mutual funds
Schedule of Available-for-sale Securities [Line Items]
Total	5,000	5,000
Gross Unrealized Gain	92	33
Gross Unrealized Loss	(7)	(50)
Estimated Fair Value	$ 5,085	$ 4,983