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Supplemental Cash Flow Disclosure (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Debt Conversion [Line Items]    
Acquisition / (surrender) of additional units of consolidated subsidiary, net $ 634 $ 828
Reclassification of equity method investee 705  
Interest paid 1,522 2,721
Income taxes paid 281 111
Income tax refunds 19 0
Reclassification to Mandatorily Redeemable Equity Interests 6,071  
Total Stockholders' Equity [Member]
    
Debt Conversion [Line Items]    
Acquisition / (surrender) of additional units of consolidated subsidiary, net 609  
Additional paid-in capital [Member]
    
Debt Conversion [Line Items]    
Acquisition / (surrender) of additional units of consolidated subsidiary, net 634 828
Accumulated Other Comprehensive Income (Loss) [Member]
    
Debt Conversion [Line Items]    
Acquisition / (surrender) of additional units of consolidated subsidiary, net (25) (28)
Non-controlling Interest [Member]
    
Debt Conversion [Line Items]    
Acquisition / (surrender) of additional units of consolidated subsidiary, net (609) (800)
Star Asia Manager [Member]
    
Debt Conversion [Line Items]    
Reclassification of equity method investee $ 705