ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	$ 895		$ (473)		$ (419)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	439	[1]	628	[1]	600	[1]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5,702)		(5,857)		(6,038)
Other comprehensive income (loss)	(1,334)		(155)		(181)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(4,368)		(5,702)		(5,857)
Unrealized gain (loss) on marketable securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(6)		(31)		(1)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	[1]	0	[1]	0	[1]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(18)		13		14
Unrealized gain (loss) on marketable securities, change during period	(6)		(31)		(1)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(24)		(18)		13
Actuarial loss on retirement plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	901	[2]	(442)	[2]	(418)	[2]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	439	[1],[2]	628	[1],[2]	600	[1],[2]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5,684)	[2]	(5,870)	[2]	(6,052)	[2]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	1,340	[2]	186	[2]	182	[2]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (4,344)	[2]	$ (5,684)	[2]	$ (5,870)	[2]

[1] The Company reclassified amortization of prior service cost and actuarial loss for its retirement plan from accumulated other comprehensive loss to net income in the amounts of $439,000, $628,000 and $600,000 for the years ended December 31, 2013, 2012 and 2011, respectively.

[2] Refer to Note 12: Supplemental Executive Retirement Plan.