ACCUMULATED OTHER COMPREHENSIVE LOSS (Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Unrealized Gains and Losses on Available-for-Sale Securities
Balance, beginning	$ (350)	$ (17)
Other comprehensive income before reclassifications	498	124
Amounts reclassified from accumulated other comprehensive income	(4)	(18)
Net current-period other comprehensive income	494	106
Balance, ending	144	89
Defined Benefit Pension Items
Balance, beginning	$ (1,784)	$ (1,651)
Other comprehensive income before reclassifications
Amounts reclassified from accumulated other comprehensive income
Net current-period other comprehensive income
Balance, ending	$ (1,784)	$ (1,651)
Total
Accumulated other comprehensive loss	(2,134)	(1,668)
Other comprehensive income before reclassifications	498	124
Amounts reclassified from accumulated other comprehensive income	(4)	(18)
Net current-period other comprehensive income	494	106
Accumulated other comprehensive loss	$ (1,640)	$ (1,562)