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Subsequent Events - Real Estate (Details) - Real Estate Investment - Texas
$ in Thousands
 1 Months Ended 12 Months Ended
Jan. 31, 2017
USD ($)
item
Dec. 31, 2015
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Real Estate Investments    
Number of beds or units in property sold   112
Subsequent Event | ROC    
Real Estate Investments    
Number of beds or units in property sold 85  
Sales price | $ $ 1,200