Statements of Comprehensive Income/(Loss) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 245	$ 185	$ (78)	$ 5,212
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period	(258)	(226)	(1,533)	893
Reclassification adjustment for gains realized in net income			(67)
Other comprehensive (loss) income before income tax effect	(258)	(226)	(1,600)	893
Income tax effect of other comprehensive (loss) income items	(70)	(88)	(432)	348
Other comprehensive (loss) income, net of income tax	(188)	(138)	(1,168)	545
Comprehensive income (loss)	$ 57	$ 47	$ (1,246)	$ 5,757

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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