XML 27 R47.htm IDEA: XBRL DOCUMENT v3.3.0.814
Total Equity III (Details) - $ / shares
Aug. 24, 2015
Sep. 30, 2015
Dec. 31, 2014
Class Of Stock [Line Items]      
Reclassification of stock, proposed premium per share (USD per share) $ 28.00    
Common stock par value per share (USD per share)   $ 0.01 $ 0.01
Reclassification of common stock, new share class (shares) 1    
Reclassification of stock, new share class par value per share (USD per share) $ 0.01    
Reclassification of stock, voting rights of proposed share class (shares) 1    
Class B Common Stock      
Class Of Stock [Line Items]      
Common stock par value per share (USD per share)   $ 0.01