SUBSEQUENT EVENTS - Additional Information (Details) (USD $)
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0 Months Ended | 0 Months Ended | ||||||||||||||||
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Aug. 07, 2012
Revolving Credit Facility [Member]
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Aug. 07, 2012
Letter of Credit [Member]
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Aug. 07, 2012
Swingline Loan [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Minimum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Maximum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Base Rate [Member]
Minimum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Base Rate [Member]
Maximum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
LIBOR
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
LIBOR
Minimum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
LIBOR
Maximum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Federal Fund Rate [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
Applicable Interest Rate [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Revolving Credit Facility [Member]
United States
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Letter of Credit [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Swingline Loan [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Swingline Loan [Member]
Base Rate [Member]
Minimum [Member]
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May 05, 2014
Subsequent Event [Member]
Credit Agreement [Member]
Swingline Loan [Member]
Base Rate [Member]
Maximum [Member]
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Subsequent Event [Line Items] | ||||||||||||||||||
Line of credit facility, maximum borrowing capacity | $ 50,000,000.0 | $ 5,000,000.0 | $ 5,000,000.0 | $ 150,000,000 | $ 110,000,000 | $ 5,000,000 | $ 15,000,000 | |||||||||||
Line of credit facility, option, additional maximum borrowing capacity | 50,000,000 | |||||||||||||||||
Line of credit facility, outstanding | $ 72,300,000 | |||||||||||||||||
Debt basis spread on variable rate | 0.25% | 1.00% | 1.25% | 2.00% | 0.25% | 1.00% | ||||||||||||
Line of credit facility, base rate | 1.00% | 0.50% | ||||||||||||||||
Line of credit facility, default rate | 2.00% | |||||||||||||||||
Line of credit facility, unused capacity, commitment fee percentage | 0.20% | 0.35% |