v3.22.2.2
Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - Cost Recovery Loans (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Aug. 03, 2022
USD ($)
Jun. 30, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Oct. 31, 2020
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]                        
Specific CECL allowance $ 119,000   $ 68,000 $ 119,000         $ 145,000      
Amortized cost 661,500     661,500         639,600      
Total carrying value, net $ 8,731,306     $ 8,731,306   $ 226,500     7,857,260      
Equity contribution rate 90.00%     90.00%                
Payment in kind interest $ 2,700 $ 10,200   $ 8,300 $ 40,700              
Turner Consulting                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Equity contribution rate 10.00%     10.00%                
Commercial Mortgage and Subordinated Portfolio Segment                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Specific CECL allowance $ 119,000 145,000 145,000 $ 119,000 145,000   $ 172,000 $ 175,000 145,000 $ 175,000 $ 175,000  
Total carrying value, net 206,800     $ 206,800         $ 97,800      
Write-offs, specific CECL allowance, funded $ 53,000   $ 10,000                  
Hotel - Atlanta, GA | Capitalization Rate                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Loan collateral, measurement input 0.093     0.093                
Hotel - Atlanta, GA | Discount Rate                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Loan collateral, measurement input 0.113     0.113                
Retail Center - Cincinnati, OH                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Payment in kind interest $ 600 $ 200   $ 1,200 $ 1,000              
Retail Center - Cincinnati, OH | Capitalization Rate                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Loan collateral, measurement input 0.080     0.080                
Residential-for-Sale - Manhattan, NY | Discount Rate                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Loan collateral, measurement input 0.10     0.10                
Mortgage, Amortized cost                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance $ 466,632     $ 466,632                
Specific CECL allowance 89,000     89,000                
Amortized cost 377,632     377,632                
Mortgage, Amortized cost | Urban Predevelopment - Miami, FL                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 191,139     191,139                
Specific CECL allowance 15,000     15,000                
Amortized cost 176,139     176,139                
Total carrying value, net                       $ 188,200
Mortgage, Amortized cost | Retail Center - Cincinnati, OH                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 170,661     170,661                
Specific CECL allowance 67,000     67,000                
Amortized cost 103,661     103,661                
Mortgage, Amortized cost | Hotel - Atlanta, GA                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 104,832     104,832                
Specific CECL allowance 7,000     7,000                
Amortized cost 97,832     97,832                
Mezzanine Loans                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 81,980     81,980                
Specific CECL allowance 30,000     30,000                
Amortized cost 51,980     51,980                
Payment in kind interest       82,500                
Mezzanine Loans | Residential-for-Sale - Manhattan, NY                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 81,980     81,980                
Specific CECL allowance 30,000     30,000                
Amortized cost 51,980     51,980                
Real Estate and Mezzanine                        
Financing Receivable, Credit Quality Indicator [Line Items]                        
Amortized cost prior to Specific CECL Allowance 548,612     548,612                
Specific CECL allowance 119,000     119,000                
Amortized cost $ 429,612     $ 429,612