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Noncontrolling Interests (Tables)
 9 Months Ended
Sep. 30, 2017
Noncontrolling Interest [Abstract]  
Redeemable noncontrolling interest
The following summarizes the activity for noncontrolling interests for the nine months ended September 30, 2017 and the year ended December 31, 2016:
 
Nine Months Ended September 30, 2017
 
December 31, 2016
Beginning balance
$
84

 
$
98

Distributions to noncontrolling interests
(8
)
 
(11
)
Net income (loss)
3

 
(3
)
Ending balance
$
79

 
$
84