Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Equity Method Investments (Details)

v3.21.1
Our Portfolio - Equity Method Investments (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
partnership
Dec. 31, 2020
USD ($)
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 1,386,252 $ 1,279,651
Number of partnership interests | partnership 3  
Jupiter Equity Holdings, LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 490,000  
Lighthouse Renewable HoldCo LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value 246,000  
University of Iowa Energy Collaborative Holdings LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value 119,000  
Phase V Class A LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value 75,000  
Other investees    
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 456,000