| 
           TRANSACTIONS WITH AFFILIATES AND AFFILIATED ENTITIES - Amounts Paid to Manager (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
| 
           Dec. 31, 2013 
         | 
        
           Dec. 31, 2012 
         | 
        
           Dec. 31, 2011
 
          Restated 
         | 
      ||||||
| Management Fees | $ 32,600 | [1] | $ 24,200 | [1] | $ 17,800 | [1] | ||
| Expense Reimbursement | 500 | 500 | 500 | |||||
| Incentive Compensation | ||||||||
| Total management fees to affiliate | $ 33,100 | $ 24,700 | $ 18,300 | |||||
          
  | 
      ||||||||
| X | ||||||||||
| 
             
- Definition 
          The total management fees incurred in the period. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The total expense reimbursement paid to the manager during the period. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The total incentive compensation paid to the manager during the period. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The total management fees incurred in the period and due to the affiliate. No definition available. 
  |