Quarterly report pursuant to Section 13 or 15(d)

Indebtedness - Schedule of Debt (Details)

v3.21.2
Indebtedness - Schedule of Debt (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Recourse Debt    
Debt Instrument [Line Items]    
Total debt, gross $ 617,284 $ 230,660
Unamortized debt discount (10,518) 0
Total debt, net 606,766 230,660
Unused borrowing capacity 413  
Recourse Debt | Bank Line Of Credit    
Debt Instrument [Line Items]    
Total debt, gross 217,284 $ 230,660
Unused borrowing capacity $ 413  
Weighted average interest rate 3.37% 3.53%
Recourse Debt | 0% Convertible Senior Notes    
Debt Instrument [Line Items]    
Total debt, gross $ 400,000 $ 0
Unused borrowing capacity $ 0  
Weighted average interest rate 0.00%  
Interest rate during period 0.00%  
Non Recourse Debt    
Debt Instrument [Line Items]    
Total debt, gross $ 4,956,542 4,512,331
Unamortized debt premium/(discount), net (46,250) (53,154)
Total debt, net 5,002,792 4,565,485
Unused borrowing capacity 62,828  
Non Recourse Debt | Senior revolving and delayed draw loans    
Debt Instrument [Line Items]    
Total debt, gross 1,009,300 $ 587,600
Unused borrowing capacity $ 56,628  
Weighted average interest rate 2.74% 2.85%
Non Recourse Debt | Senior Non Revolving Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 873,530 $ 1,087,386
Unused borrowing capacity $ 0  
Weighted average interest rate 3.89% 3.68%
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 | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 6.50%  
Non Recourse Debt | Subordinated Revolving and Delayed Draw Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 178,104 $ 282,722
Unused borrowing capacity $ 6,200  
Weighted average interest rate 9.13% 8.43%
Non Recourse Debt | Subordinated Revolving and Delayed Draw Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 8.50%  
Non Recourse Debt | Subordinated Revolving and Delayed Draw Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 10.00%  
Non Recourse Debt | Subordinated Loans    
Debt Instrument [Line Items]    
Total debt, gross $ 839,999 $ 668,642
Total debt, net 124,200  
Unused borrowing capacity $ 0  
Weighted average interest rate 8.65% 8.76%
Non Recourse Debt | Subordinated Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 8.00%  
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 $ 2,055,609 $ 1,885,981
Unused borrowing capacity $ 0  
Weighted average interest rate 3.90% 4.18%
Non Recourse Debt | Securitized loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 2.33%  
Non Recourse Debt | Securitized loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 5.31%  
Recourse and Nonrecourse Debt    
Debt Instrument [Line Items]    
Total debt, net $ 5,609,558 $ 4,796,145
Unused borrowing capacity $ 63,241  
LIBOR | Recourse Debt | Bank Line Of Credit    
Debt Instrument [Line Items]    
Interest rate during period 3.25%  
LIBOR | Non Recourse Debt | Senior revolving and delayed draw loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 2.50%  
LIBOR | Non Recourse Debt | Senior revolving and delayed draw loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 3.25%  
LIBOR | Non Recourse Debt | Senior Non Revolving Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 2.125%  
LIBOR | Non Recourse Debt | Senior Non Revolving Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 2.25%  
LIBOR | Non Recourse Debt | Subordinated Revolving and Delayed Draw Loans    
Debt Instrument [Line Items]    
Interest rate during period 9.00%  
LIBOR | Non Recourse Debt | Subordinated Loans | Minimum    
Debt Instrument [Line Items]    
Interest rate during period 5.00%  
LIBOR | Non Recourse Debt | Subordinated Loans | Maximum    
Debt Instrument [Line Items]    
Interest rate during period 6.75%