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Redeemable Non-Controlling Interest (Tables)
12 Months Ended
Dec. 31, 2018
Noncontrolling Interest [Abstract]  
Non-controlling Interests
The following table reconciles the beginning and ending balances of redeemable non-controlling interests:
Series A Redeemable Preferred Units Consolidated Entities 
Balance at December 31, 2017 $10,177 $— 
Contributions — 112,972 
Declared dividend (618)— 
Net income  618 169 
Redemption of preferred units (362)— 
BALANCE AT DECEMBER 31, 2018 $9,815 $113,141