Accumulated Other Comprehensive Income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance	$ (238)
Total other comprehensive income	533	$ 426
Ending Balance	295
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance	(147)	359
Other comprehensive income (loss) before reclassification	756	449
Amount reclassified from accumulated other comprehensive income (loss)	(236)
Total other comprehensive income	520	449
Ending Balance	373	808
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance	(91)	17
Other comprehensive income (loss) before reclassification	13	(23)
Total other comprehensive income	13	(23)
Ending Balance	$ (78)	$ (6)