SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Changes in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015		Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (1,031)		$ (315)		$ (1,136)		$ 470
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(150)		109		(59)		250
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(14)		(16)		(28)		(30)
Other Comprehensive Income (Loss), Net of Tax	(136)		125		(31)		280
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,167)		(190)		(1,167)		(190)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	139		357		83		210
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(93)		92		(37)		239
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0		0		0
Other Comprehensive Income (Loss), Net of Tax	(93)		92		(37)		239
Accumulated Other Comprehensive Income (Loss), Net of Tax	46		449		46		449
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,226)		(766)		(1,240)		(780)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0		0		0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(14)	[1]	(16)	[1]	(28)	[2]	(30)	[2]
Other Comprehensive Income (Loss), Net of Tax	14		16		28		30
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,212)		(750)		(1,212)		(750)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	56		94		21		100
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(57)		17		(22)		11
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0		0		0
Other Comprehensive Income (Loss), Net of Tax	(57)		17		(22)		11
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (1)		$ 111		$ (1)		$ 111

[1] This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the three months ended June 30, 2015 and 2014.

[2] This component of accumulated other comprehensive income is included in the computation of net periodic pension cost for the six months ended June 30, 2015 and 2014.