XML 95 R79.htm IDEA: XBRL DOCUMENT v3.6.0.2
Subsequent Events (Details)
$ in Thousands
 12 Months Ended
Mar. 16, 2017
USD ($)
Feb. 21, 2017
USD ($)
a
Feb. 14, 2017
USD ($)
a
May 24, 2016
USD ($)
a
Dec. 31, 2016
USD ($)
a
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Mar. 31, 2016
a
Subsequent Event [Line Items]                
Sales price         $ 2,271 $ 0 $ 0  
Frisco Square                
Subsequent Event [Line Items]                
Area of land (in acres) | a         24      
Sales of land       $ 8,000        
Frisco Square | Subsequent Event                
Subsequent Event [Line Items]                
Sales of land   $ 0 $ 5,000          
Chase Park Plaza | Subsequent Event | Scenario, Forecast                
Subsequent Event [Line Items]                
Sales price $ 94,000              
Land | Frisco Square                
Subsequent Event [Line Items]                
Area of land (in acres) | a       5.2       5.2
Land | Frisco Square | Subsequent Event                
Subsequent Event [Line Items]                
Area of land (in acres) | a   0.3 3.29