Accumulated Other Comprehensive Income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance			$ (238)
Total other comprehensive income (loss)	$ 853	$ (1,190)	1,386	$ (764)
Ending Balance	1,148		1,148
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance	373	808	(147)	359
Other comprehensive income (loss) before reclassification	852	(1,168)	1,608	(719)
Amount reclassified from accumulated other comprehensive income (loss)	(11)		(247)
Total other comprehensive income (loss)	841	(1,168)	1,361	(719)
Ending Balance	1,214	(360)	1,214	(360)
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning Balance	(78)	(6)	(91)	17
Other comprehensive income (loss) before reclassification	12	(22)	25	(45)
Total other comprehensive income (loss)	12	(22)	25	(45)
Ending Balance	$ (66)	$ (28)	$ (66)	$ (28)