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Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2015
Accounting Policies [Abstract]  
Notes receivable
The following table summarizes our notes receivable, net as of June 30, 2015 and December 31, 2014 (dollars in thousands):
 
Interest rate at
 
Balance outstanding
 
June 30,
2015
 
June 30,
2015
 
December 31, 2014
Note due February 2017 (a)
10.00
%
 
$
12,994

 
$
11,869

Note due July 2017 (b)
8.00
%
 
2,500

 
2,500

Total notes receivable, net
 
 
$
15,494

 
$
14,369