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RELATED-PARTY TRANSACTIONS - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Level III
Dec. 31, 2013
Level III
Jun. 30, 2014
Discounted cash flow
Affiliates
Level III
Jun. 30, 2014
Minimum
Discounted cash flow
Affiliates
Level III
Jun. 30, 2014
Maximum
Discounted cash flow
Affiliates
Level III
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Average interest rate (as a percent)           2.00% 3.00%
Due to affiliates     $ 165,919 $ 123,497      
Discount rate (as a percent)         10.00%    
Interest income $ 783 $ 891