Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Statement Of Income and Comprehensive Income [Abstract]
Net Income		$ 11	$ 77
Unrealized holding gains on available-for-sale securities
Unrealized holding gains arising during the period		15	96
Net unrealized gain on available for sale securities		15	96
Accretion of net unrealized loss on securities transferred to held-to-maturity	[1]		113
Other comprehensive income, before tax		15	209
Tax effect		5	33
Other comprehensive income, net of tax		10	176
Comprehensive income		21	253
Tax Effect Allocated to Each Component of Other Comprehensive Income
Unrealized holding gains (losses) arising during the period		5	(33)
Accretion of net unrealized loss on securities transferred to held-to-maturity			66
Income tax effect related to other comprehensive income		$ 5	$ 33

[1] The accretion of the unrealized holding losses in accumulated other comprehensive income at the date of transfer partially offsets the amortization of the difference between the par value and the fair value of the investment securities at the date of transfer, and is an adjustment of yield.