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Redeemable Non-Controlling Interest (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Redeemable Non-Controlling Interest [Abstract]      
Redemption of redeemable non-controlling interest, net $ 789    
Distributions Mandatorily Redeemable Equity Interests $ 86    
Redeemable equity interests   $ 0 $ 0
Mandatorily redeemable equity interests   $ 0 $ 0