Quarterly report pursuant to Section 13 or 15(d)

Our Portfolio - Equity Method Investments (Details)

v3.21.2
Our Portfolio - Equity Method Investments (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
equity_investment
Dec. 31, 2020
USD ($)
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 1,468,282 $ 1,279,651
Jupiter Equity Holdings LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value 540,000  
Lighthouse Partnerships    
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 211,000  
Number of partnership interests | equity_investment 3  
University of Iowa Energy Collaborative Holdings LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 121,000  
Phase V Class A LLC    
Schedule of Equity Method Investments [Line Items]    
Carrying Value 109,000  
Other investees    
Schedule of Equity Method Investments [Line Items]    
Carrying Value $ 487,000