| 
           Other Expenses, Net (Details) (USD $) 
         | 
        12 Months Ended | ||
|---|---|---|---|
| 
           Dec. 31, 2013 
         | 
        
           Dec. 31, 2012 
         | 
        
           Dec. 31, 2011 
         | 
      |
| Other Income and Expenses [Abstract] | |||
| Unrealized (gain) loss from derivatives | $ (1,459,058) | $ 98,027 | $ 1,313,587 | 
| Interest expense, net of interest income | 4,600,012 | 3,495,784 | 4,130,350 | 
| Amortization of deferred financing fees, net | (731,689) | (456,305) | (1,061,782) | 
| Other expenses, net | $ 3,872,643 | $ 4,050,116 | $ 6,505,719 | 
| X | ||||||||||
| 
             
- Definition 
          Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The net amount of nonoperating interest income (expense). No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  |