FAIR VALUE MEASUREMENTS (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 SERP [Member]	Dec. 31, 2013 SERP [Member]	Jun. 30, 2014 Recurring [Member]	Dec. 31, 2013 Recurring [Member]	Jun. 30, 2014 Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Dec. 31, 2013 Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Jun. 30, 2014 Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Dec. 31, 2013 Recurring [Member] Significant Other Observable Inputs (Level 2) [Member]	Jun. 30, 2014 Recurring [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2013 Recurring [Member] Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gross unrealized gains associated with the investment held in the rabbi trust	$ 78,000	$ (103,000)	$ 106,000	$ (18,000)		$ 600,000	$ 400,000
Combined fair value of available-for-sale securities	100,000		100,000		100,000
Gross unrealized gains	100,000		100,000		100,000
Financial Assets Fair Value [Abstract]
Investments held in Rabbi Trust								3,485,000	3,313,000	3,485,000	3,313,000	0	0	0	0
Marketable Securities								4,000	3,000	4,000	3,000	0	0	0	0
Total								3,489,000	3,316,000	3,489,000	3,316,000	0	0	0	0
Fair value of long-term debt	144,800,000		144,800,000
Carrying amount of long-term debt	$ 145,000,000		$ 145,000,000