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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounts Receivable (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Transaction
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Accounts Receivable      
Number of closed land transactions | Transaction 2    
Allowance for doubtful accounts   $ 1.7 $ 1.8
Other Assets      
Accounts Receivable      
Income Property Tenant Receivables, Net of Allowance for Doubtful Accounts   4.6 2.2
Income Property Tenant Receivables, Increase (Decrease)   2.4  
Accounts receivable related to real estate operations   $ 0.6 $ 0.8