Accruals and Other Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Accrued and Other Liabilities [Abstract]    
Beginning balance $ 6,014 $ 5,210
Income attributable to noncontrolling interests 2,380 6,890
Distributions made (2,839) (6,523)
Cumulative translation adjustments   437
Other (116)  
Ending balance $ 5,439 $ 6,014