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Investment in Mesquite (Tables) (Mesquite)
 9 Months Ended
Nov. 30, 2014
Mesquite
  
Schedule of Equity Method Investments [Line Items]  
Equity method investment financial information
The following table presents unaudited condensed financial information of Mesquite for the three and nine months ended September 30, 2014 and 2013 (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2014
 
2013
 
2014
 
2013
Net operating revenues
$
19,925

 
$
19,231

 
$
70,733

 
$
70,775

Operating income
$
(1,732
)
 
$
(2,539
)
 
$
3,276

 
$
4,160

Net income
$
(2,707
)
 
$
(4,640
)
 
$
225

 
$
2,509