Quarterly report pursuant to Section 13 or 15(d)

Indebtedness - Schedule of Debt (Details)

v3.22.2.2
Indebtedness - Schedule of Debt (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total debt, net $ 7,985,164 $ 6,502,890
Unused borrowing capacity 93,600  
Recourse Debt    
Debt Instrument [Line Items]    
Total debt, gross 905,967 611,066
Unamortized debt discount (7,690) (9,382)
Total debt, net 898,277 601,684
Unused borrowing capacity 45,000  
Recourse Debt | Bank Line Of Credit    
Debt Instrument [Line Items]    
Total debt, gross 505,967 $ 211,066
Unused borrowing capacity $ 45,000  
Weighted average interest rate 6.01% 3.40%
Recourse Debt | Bank Line Of Credit | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 3.25%  
Recourse Debt | 0% Convertible Senior Notes    
Debt Instrument [Line Items]    
Total debt, gross $ 400,000 $ 400,000
Unused borrowing capacity $ 0  
Weighted average interest rate 0.00% 0.00%
Interest rate during period 0.00%  
Non Recourse Debt    
Debt Instrument [Line Items]    
Total debt, gross $ 7,116,618 $ 5,870,343
Total debt, net 7,086,887 5,901,206
Unused borrowing capacity 48,600  
Non Recourse Debt | Senior revolving and delayed draw loans    
Debt Instrument [Line Items]    
Total debt, gross 1,152,573 $ 1,301,600
Unused borrowing capacity $ 48,100  
Weighted average interest rate 4.84% 2.23%
Non Recourse Debt | Senior revolving and delayed draw loans | Minimum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 2.00%  
Non Recourse Debt | Senior revolving and delayed draw loans | Maximum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 3.00%  
Non Recourse Debt | Senior Non Revolving Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 1,757,724 $ 921,038
Unused borrowing capacity $ 0  
Weighted average interest rate 4.76% 3.66%
Non Recourse Debt | Senior Non Revolving Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 4.50%  
Non Recourse Debt | Senior Non Revolving Loans | Minimum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 1.75%  
Non Recourse Debt | Senior Non Revolving Loans | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate    
Debt Instrument [Line Items]    
Interest rate during period 1.85%  
Non Recourse Debt | Senior Non Revolving Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 6.50%  
Non Recourse Debt | Senior Non Revolving Loans | Maximum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 2.75%  
Non Recourse Debt | Senior Non Revolving Loans | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate    
Debt Instrument [Line Items]    
Interest rate during period 1.90%  
Non Recourse Debt | Subordinated revolving and delayed draw loans    
Debt Instrument [Line Items]    
Total debt, gross $ 183,697 $ 221,464
Unused borrowing capacity $ 500  
Weighted average interest rate 8.56% 9.06%
Non Recourse Debt | Subordinated revolving and delayed draw loans | Minimum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 9.00%  
Non Recourse Debt | Subordinated revolving and delayed draw loans | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate    
Debt Instrument [Line Items]    
Interest rate during period 3.50%  
Non Recourse Debt | Subordinated revolving and delayed draw loans | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate    
Debt Instrument [Line Items]    
Interest rate during period 7.875%  
Non Recourse Debt | Subordinated Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 1,434,916 $ 959,852
Total debt, net 128,500  
Unused borrowing capacity $ 0  
Weighted average interest rate 8.61% 8.46%
Non Recourse Debt | Subordinated Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 7.00%  
Non Recourse Debt | Subordinated Loans | Minimum | LIBOR    
Debt Instrument [Line Items]    
Interest rate during period 6.75%  
Non Recourse Debt | Subordinated Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 10.00%  
Non Recourse Debt | Securitized Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 2,587,708 $ 2,466,389
Unused borrowing capacity $ 0  
Weighted average interest rate 3.88% 3.59%
Non Recourse Debt | Securitized Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 2.25%  
Non Recourse Debt | Securitized Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 5.31%  
Recourse and Nonrecourse Debt    
Debt Instrument [Line Items]    
Unamortized debt (discount) premium, net $ (29,731) $ 30,863