Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Unrealized Gains and Losses on Available-for-Sale Securities, Beginning Balance	$ 198	$ (1,870)
Other comprehensive income before reclassification, Unrealized Gains and Losses on Available-for-Sale Securities	118	2,568
Amounts reclassified from accumulated other comprehensive income (Loss), Totals, Unrealized Gains and Losses on Available-for-Sale Securities	(764)	282
Net current period other comprehensive Income, Totals, Unrealized Gains and Losses on Available-for-Sale Securities	(446)	2,068
Accumulated Other Comprehensive Income (Loss), Unrealized Gains and Losses on Available-for-Sale Securities, Ending Balance	(248)	198
Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension Items, Beginning Balance	(3,196)	(1,410)
Other comprehensive income before reclassification, Defined Benefit Pension Items	(433)	(1,824)
Amounts reclassified from accumulated other comprehensive income (Loss), Defined Benefit Pension Items	174	58
Net current period other comprehensive Income, Defined Benefit Pension Items	(318)	(1,786)
Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension Items, Ending Balance	(3,514)	(3,196)
Accumulated Other Comprehensive Income (Loss), Totals, Beginning Balance	(2,998)	(3,280)
Other comprehensive income before reclassification, Totals	(315)	744
Amounts reclassified from accumulated other comprehensive Income (Loss), Defined Benefit Pension Item income	(449)	(462)
Net current period other comprehensive Income, Totals	(764)	282
Accumulated Other Comprehensive Income (Loss), Totals, Ending Balance	$ (3,762)	$ (2,998)