Annual report pursuant to Section 13 and 15(d)

DISCLOSURE OF FAIR VALUE OF ASSETS AND LIABILITIES - Narrative (Details)

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DISCLOSURE OF FAIR VALUE OF ASSETS AND LIABILITIES - Narrative (Details)
 1 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
officeProperty
Dec. 31, 2023
USD ($)
property
landParcel
officeProperty
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
officeProperty
Dec. 31, 2022
officeProperty
Dec. 31, 2022
landParcel
Dec. 31, 2022
Hotel
Nov. 30, 2022
landParcel
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Fair value of long-term debt   $ 1,800,000,000 $ 1,800,000,000          
Loan balance   1,900,000,000 1,900,000,000          
Land and other impairments, net   $ 9,324,000 $ 9,368,000 $ 23,719,000        
Goodwill impairment       $ 2,900,000        
Office                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Number of properties | property   1            
Office | Cash flow discount rate                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input   0.11   0.080        
Office | Cash flow discount rate | Minimum                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input     0.075          
Office | Cash flow discount rate | Maximum                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input     0.13          
Office | Terminal capitalization rate                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input   0.09   0.0575        
Office | Terminal capitalization rate | Minimum                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input     0.055          
Office | Terminal capitalization rate | Maximum                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input     0.0875          
Office | Held-for-sale                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Property impairments   $ 32,500,000 $ 94,800,000 $ 6,000,000        
Number of properties   1   1 4 4    
Office | Disposed of by Sale                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Property impairments $ 3,600,000 $ 12,500,000            
Number of properties 1       1     1
Land and other impairments, net     $ 9,400,000          
Land Parcel | Held-for-sale                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Number of properties | landParcel   3            
Land and other impairments, net   $ 9,300,000   $ 20,800,000        
Hotels | Cash flow discount rate                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input       0.0867        
Hotels | Terminal capitalization rate                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Servicing asset, measurement input       0.065        
Hotels | Held-for-sale                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Property impairments       $ 7,400,000        
Number of properties | officeProperty       2        
Hotels | Disposed of by Sale                
Fair Value Measurement Inputs and Valuation Techniques [Line Items]                
Number of properties | Hotel             2