Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES - Narrative (Details)

v3.8.0.1
COMMITMENTS AND CONTINGENCIES - Narrative (Details)
$ in Thousands
 1 Months Ended 4 Months Ended 12 Months Ended
Mar. 31, 2017
renewal
Dec. 31, 2017
USD ($)
property
lease
Dec. 31, 2017
USD ($)
property
renewal
lease
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2017
property
Segment Reporting Information [Line Items]            
Number of property leases | lease   5 5      
Written notice period to cancel lease     30 days      
Number of real estate properties | property   75 75      
Deferred revenue   $ 6,930 $ 6,930 $ 6,256    
Restricted cash   5,996 $ 5,996 6,404    
Ground Lease, Orlando, Florida            
Segment Reporting Information [Line Items]            
Operating lease term     20 years      
Operating lease, number of renewal terms | renewal     3      
Operating lease, renewal term     5 years      
Ground Lease, Richmond, Virgina            
Segment Reporting Information [Line Items]            
Operating lease term 20 years          
Operating lease, number of renewal terms | renewal 3          
Operating lease, renewal term 5 years          
Traditional Golf            
Segment Reporting Information [Line Items]            
Regulatory bonds outstanding   900 $ 900 900    
Aggregate monthly expense     $ 500      
Membership deposit term     30 years      
Deferred revenue   248,500 $ 248,500      
Traditional Golf | Other restricted cash - Traditional Golf            
Segment Reporting Information [Line Items]            
Restricted cash   5,600 5,600      
Operating segments | Traditional Golf            
Segment Reporting Information [Line Items]            
Operating leases, rent expense     $ 3,000 $ 3,800 $ 4,600  
Minimum            
Segment Reporting Information [Line Items]            
Operating lease term     10 years      
Minimum | Traditional Golf            
Segment Reporting Information [Line Items]            
Operating lease term     10 years      
Minimum | Property Under Operating Lease | Traditional Golf | Golf Carts and Equipment            
Segment Reporting Information [Line Items]            
Useful life of property under operating leases     1 year      
Maximum            
Segment Reporting Information [Line Items]            
Operating lease term     20 years      
Maximum | Traditional Golf            
Segment Reporting Information [Line Items]            
Operating lease term     20 years      
Maximum | Property Under Operating Lease | Traditional Golf | Golf Carts and Equipment            
Segment Reporting Information [Line Items]            
Useful life of property under operating leases     3 years      
Hurricane Irma | Florida            
Segment Reporting Information [Line Items]            
Number of real estate properties | property           3
Property damage costs   4,200        
Property damage costs reimbursed by insurer   2,000        
Hurricane Irma | Florida | Minimum            
Segment Reporting Information [Line Items]            
Additional expected property damage costs   1,300 $ 1,300      
Hurricane Irma | Florida | Maximum            
Segment Reporting Information [Line Items]            
Additional expected property damage costs   $ 1,800 $ 1,800