FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair value disclosure
Debt obligations	$ 125,823	$ 112,845
Carrying value
Fair value disclosure
Debt obligations	123,137	105,832
Fair value disclosure
Fair value disclosure
Debt obligations	123,077	105,842
Term Loan
Fair value disclosure
Debt obligations	73,750	83,750
Term Loan | Carrying value
Fair value disclosure
Debt obligations	73,750	83,750
Term Loan | Fair value disclosure
Fair value disclosure
Debt obligations	73,750	83,750
Notes payable
Fair value disclosure
Debt obligations	49,387	22,082
Notes payable | Carrying value
Fair value disclosure
Debt obligations	49,387	22,082
Notes payable | Fair value disclosure
Fair value disclosure
Debt obligations	$ 49,327	$ 22,092