SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Changes in total real estate      
Balance as of the beginning of the year $ 111,149 $ 124,333 $ 125,764
Acquisitions 113,225    
Additions 806 786 10
Dispositions (450) (13,970) (1,441)
Balance as of the end of the year 224,730 111,149 124,333
Changes in accumulated depreciation      
Balance as of the beginning of the year 16,495 14,484 11,171
Acquisitions 694    
Additions 3,110 3,024 3,313
Dispositions   (1,013)  
Balance as of the end of the year $ 20,299 $ 16,495 $ 14,484