THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Summary of assets measured at fair market value on recurring basis (Details) (Fair Value Recurring Basis, USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation plan assets held in Rabbi Trust	$ 969	[1]	$ 837	[1]
Total	969		837
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation plan assets held in Rabbi Trust		[1]		[1]
Total
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation plan assets held in Rabbi Trust		[1]		[1]
Total
Total
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation plan assets held in Rabbi Trust	969	[1]	837	[1]
Total	$ 969		$ 837

[1] This is an executive deferred compensation plan for certain employees, as designated by the Company's Board of Directors. The Company invests contributions to this plan in employee-directed marketable equity securities which are recorded in other assets on the accompanying consolidated balance sheets at quoted market prices. The contributions are fully invested in five different mutual funds having various growth, industry and geographic characteristics.