XML 74 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2016
Jun. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Schedule of Cost-method Investments [Line Items]          
Investment in TopGolf International, Inc. during the period     $ 21,499,000 $ 1,448,000 $ 940,000
Investment in TopGolf International, Inc.     70,495,000 48,997,000  
Notes receivable from TopGolf       $ 3,200,000  
Annual Interest Rate on notes receivable       10.00%  
Percentage of Topgolf preferred shares sold 10.00%        
Reduction in total investment in Topgolf $ 5,767,000   (20,000,000)    
Proceeds from sale of investments in golf-related ventures $ 23,429,000   0 $ 23,429,000 0
Gain on sale of preferred shares in Topgolf   $ 17,662,000 $ 0 $ 17,662,000 $ 0
Percentage of ownership interest in TopGolf International, Inc.     14.00%