Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Additional Information (Details)

v3.24.3
Our Portfolio - Additional Information (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
May 04, 2024
USD ($)
director
vote
Jul. 01, 2020
committee_member
Sep. 30, 2024
USD ($)
committee_member
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
project
committee_member
GW
Sep. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Equity method investments, receivables, real estate and investments     $ 6,296,000   $ 6,296,000          
Allowance on receivables     49,000   49,000     $ 50,000    
Land and related intangibles sold     100,000   100,000          
Loans     2,899,707   2,899,707     3,073,855    
Carrying Value     3,353,224   3,353,224     2,966,305    
Joint Venture                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Investment $ 108,000                  
Services agreement 1.00%                  
Joint Venture | Expected                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Investment $ 191,000                  
Joint Venture | CarbonCount Holdings 1 LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Investment period 18 months                  
Directors | director 4                  
Affirmative director vote | vote 3                  
Joint Venture | Maximum                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Management services 1.00%                  
Joint Venture | Maximum | CarbonCount Holdings 1 LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Investment $ 1,000,000                  
Joint Venture | Minimum                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Management services 0.50%                  
Equity method investee                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Carrying Value     832,000   $ 832,000          
Debt term         10 years          
Hannon Armstrong Sustainable Infrastructure Inc. | Joint Venture | CarbonCount Holdings 1 LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Directors | director 2                  
KKR Entity | Joint Venture                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Expected reimbursement $ 55,000                  
KKR Entity | Joint Venture | CarbonCount Holdings 1 LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Directors | director 2                  
Jupiter Equity Holdings LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Portfolio of renewable energy projects, power (gigawatts) | GW         2.3          
Capital contribution     562,000   $ 562,000          
Working capital loan     91,000   91,000          
Distribution percent (as a percent)   49.00%                
Review committee | committee_member   4                
Distribution from partnership, upon achievement of certain targets (as a percent)   33.00%                
Carrying Value     $ 579,000   $ 579,000          
Jupiter Equity Holdings LLC | Sponsor                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Distribution from partnership, upon achievement of certain targets (as a percent)   67.00%                
Jupiter Equity Holdings LLC | Company                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member   2                
Jupiter Equity Holdings LLC | Sponsor                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member   2                
Jupiter Equity Holdings LLC | Jupiter Equity Holdings LLC | Class A units                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Ownership percent (as a percent)   100.00%                
Jupiter Equity Holdings LLC | Onshore wind projects                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Projects owned | project         9          
Jupiter Equity Holdings LLC | Solar projects                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Projects owned | project         4          
Daggett Renewable Holdco LLC                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Projects owned | project         2          
Review committee | committee_member     4   4          
Preferred cash equity interest investment     $ 232,000   $ 232,000          
Carrying Value     $ 445,000   $ 445,000          
Daggett Renewable Holdco LLC | Company                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member     2   2          
Daggett Renewable Holdco LLC | Sponsor                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member     2   2          
The Lighthouse Partnerships                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Projects owned | project         3          
Working capital loan     $ 18,000   $ 18,000          
Review committee | committee_member     4   4          
Preferred cash equity interest investment     $ 420,000   $ 420,000          
The Lighthouse Partnerships | Company                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member     2   2          
The Lighthouse Partnerships | Sponsor                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Review committee | committee_member     2   2          
SunPower Corporation | Joint Venture                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Carrying Value     $ 31,000   $ 31,000          
Receivables                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Allowance on receivables     49,000 $ 51,000 49,000 $ 51,000 $ 48,000 $ 50,000 $ 44,000 $ 41,000
Decrease in reserve     1,000 $ 7,000 (1,000) $ 10,000        
Receivables | Equity method investee                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Loans     899,000   899,000          
Receivables | SunPower Corporation | Joint Venture                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Loans     327,000   327,000          
Receivables | Performance Rating 3                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Equity method investments, receivables, real estate and investments     0   0          
Allowance on receivables     0   0          
Decrease in reserve     1,000              
Loans     0   0          
Carrying Value     $ 0   $ 0