Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash, current and noncurrent $ 3,541 $ 3,584
CDO trustee accounts    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash, current and noncurrent 114 127
Restricted cash for construction-in-progress    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash, current and noncurrent 1,536 2,008
Traditional Golf | Restricted cash    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash, current and noncurrent 1,656 1,266
Entertainment Golf | Restricted cash    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash, current and noncurrent $ 235 $ 183