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Non-controlling Interests (Tables)
 12 Months Ended
Dec. 31, 2015
Non-controlling Interests [Abstract]  
Changes in Non-controlling Interest
The following table details the changes in non-controlling interest for the years ended December 31, 2015, 2014, and 2013 (in thousands):
  
2015
  
2014
  
2013
 
 
Non-controlling interest, beginning of period
  
584
  
$
454
  
$
468
 
Net income
  
2,438
   
1,676
   
1,807
 
Distributions
  
(2,387
)
  
(1,548
)
  
(1,821
)
Purchase of 10% membership interest
  
--
   
2
   
--
 
 
Non-controlling interest, end of period
 
$
635
  
$
584
  
$
454