Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Available and Outstanding Debt (Details)

v3.22.2.2
Debt - Schedule of Available and Outstanding Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Oct. 23, 2017
Jan. 25, 2017
Debt Instrument [Line Items]        
Outstanding balance $ 2,185,000 $ 1,745,000 $ 150,000  
Principal 1,542,000 1,250,425    
Carrying Value [1] 1,521,220 1,236,303    
SBA Debentures        
Debt Instrument [Line Items]        
Outstanding balance 175,000 175,000    
Principal 175,000 150,500    
Carrying Value [1] 169,591 145,498    
2022 Notes        
Debt Instrument [Line Items]        
Outstanding balance 0 150,000    
Principal 0 150,000    
Carrying Value [1] 0 149,563    
July 2024 Notes        
Debt Instrument [Line Items]        
Outstanding balance 105,000 105,000    
Principal 105,000 105,000    
Carrying Value [1] 104,459 104,238    
February 2025 Notes        
Debt Instrument [Line Items]        
Outstanding balance 50,000 50,000    
Principal 50,000 50,000    
Carrying Value [1] 49,723 49,637    
June 2025 Notes        
Debt Instrument [Line Items]        
Outstanding balance 70,000 70,000    
Principal 70,000 70,000    
Carrying Value [1] 69,555 69,433    
June 2025 3-Year Notes        
Debt Instrument [Line Items]        
Outstanding balance 50,000 0    
Principal 50,000 0    
Carrying Value [1] 49,577 0    
March 2026 A Notes        
Debt Instrument [Line Items]        
Outstanding balance 50,000 50,000    
Principal 50,000 50,000    
Carrying Value [1] 49,676 49,605    
March 2026 B Notes        
Debt Instrument [Line Items]        
Outstanding balance 50,000 50,000    
Principal 50,000 50,000    
Carrying Value [1] 49,647 49,570    
September 2026 Notes        
Debt Instrument [Line Items]        
Outstanding balance 325,000 325,000    
Principal 325,000 325,000    
Carrying Value [1] 321,112 320,376    
January 2027 Notes        
Debt Instrument [Line Items]        
Outstanding balance 350,000 0    
Principal 350,000 0    
Carrying Value [1] 344,271 0    
2031 Asset-Backed Notes        
Debt Instrument [Line Items]        
Outstanding balance 150,000 0    
Principal 150,000 0    
Carrying Value [1] 147,810 0    
2033 Notes        
Debt Instrument [Line Items]        
Outstanding balance 40,000 40,000    
Principal 40,000 40,000    
Carrying Value [1] 38,799 38,718    
2022 Convertible Notes        
Debt Instrument [Line Items]        
Outstanding balance 0 230,000   $ 230,000
Principal 0 230,000    
Carrying Value [1] 0 229,740    
MUFG Bank Facility        
Debt Instrument [Line Items]        
Outstanding balance [2],[3] 545,000 400,000    
Principal [2],[3] 102,000 0    
Carrying Value [1],[2],[3] 102,000 0    
SMBC Facility        
Debt Instrument [Line Items]        
Outstanding balance [2] 225,000 100,000    
Principal [2] 25,000 29,925    
Carrying Value [1],[2] $ 25,000 $ 29,925    
[1] Except for the SMBC Facility and MUFG Bank Facility (f.k.a. Union Bank Facility), all carrying values represent the principal amount outstanding less the remaining unamortized debt issuance costs and unaccreted premium or discount, if any, associated with the debt as of the balance sheet date.
[2] Availability subject to the Company meeting the borrowing base requirements.
[3] The June 2022 amendment of the MUFG Bank Facility replaced the Union Bank Facility via an amendment which changed the lead lender.