Quarterly report [Sections 13 or 15(d)]

Debt - Components of Interest Expense, Related Fees and Cash Paid for Interest Expense for Debt (Details)

v3.25.3
Debt - Components of Interest Expense, Related Fees and Cash Paid for Interest Expense for Debt (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Debt Instrument [Line Items]        
Interest expense $ 24,189 $ 20,370 $ 66,817 $ 57,156
Amortization of debt issuance cost (loan fees) 1,887 1,490 5,385 4,565
Unused facility and other fees (loan fees) 1,117 503 2,764 2,171
Total interest expense and fees 27,193 22,363 74,966 63,892
Cash paid for interest expense 29,787 28,685 66,795 64,221
SBA Debentures        
Debt Instrument [Line Items]        
Interest expense 3,381 1,149 8,806 3,424
Amortization of debt issuance cost (loan fees) 295 147 785 439
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 3,676 1,296 9,591 3,863
Cash paid for interest expense 5,892 2,300 9,863 4,575
July 2024 Notes        
Debt Instrument [Line Items]        
Interest expense   202   2,706
Amortization of debt issuance cost (loan fees)   24   172
Unused facility and other fees (loan fees)   0   0
Total interest expense and fees   226   2,878
Cash paid for interest expense   2,504   5,008
February 2025 Notes        
Debt Instrument [Line Items]        
Interest expense 0 535 202 1,605
Amortization of debt issuance cost (loan fees) 0 29 19 86
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 0 564 221 1,691
Cash paid for interest expense 0 1,070 1,070 2,140
June 2025 Notes        
Debt Instrument [Line Items]        
Interest expense 0 755 1,274 2,263
Amortization of debt issuance cost (loan fees) 0 40 81 121
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 0 795 1,355 2,384
Cash paid for interest expense 0 0 1,508 1,508
June 2025 3-Year Notes        
Debt Instrument [Line Items]        
Interest expense 0 750 1,433 2,250
Amortization of debt issuance cost (loan fees) 0 38 74 116
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 0 788 1,507 2,366
Cash paid for interest expense 0 0 1,500 1,500
March 2026 A Notes        
Debt Instrument [Line Items]        
Interest expense 562 563 1,687 1,688
Amortization of debt issuance cost (loan fees) 23 24 71 71
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 585 587 1,758 1,759
Cash paid for interest expense 1,125 1,125 2,250 2,250
March 2026 B Notes        
Debt Instrument [Line Items]        
Interest expense 569 568 1,706 1,706
Amortization of debt issuance cost (loan fees) 25 25 77 77
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 594 593 1,783 1,783
Cash paid for interest expense 1,138 1,138 2,276 2,276
September 2026 Notes        
Debt Instrument [Line Items]        
Interest expense 2,174 2,174 6,523 6,523
Amortization of debt issuance cost (loan fees) 204 205 611 612
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 2,378 2,379 7,134 7,135
Cash paid for interest expense 4,266 4,266 8,532 8,531
Amortization of original issue discounts 42 42 125 125
January 2027 Notes        
Debt Instrument [Line Items]        
Interest expense 3,079 3,080 9,236 9,236
Amortization of debt issuance cost (loan fees) 208 208 621 622
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 3,287 3,288 9,857 9,858
Cash paid for interest expense 5,906 5,906 11,812 11,812
Amortization of original issue discounts 126 126 377 377
2028 Convertible Notes        
Debt Instrument [Line Items]        
Interest expense 3,763   8,315  
Amortization of debt issuance cost (loan fees) 353   781  
Unused facility and other fees (loan fees) 0   0  
Total interest expense and fees 4,116   9,096  
Cash paid for interest expense 6,487   6,487  
Amortization of original issue discounts 311   690  
June 2030 Notes        
Debt Instrument [Line Items]        
Interest expense 5,441   6,348  
Amortization of debt issuance cost (loan fees) 221   258  
Unused facility and other fees (loan fees) 0   0  
Total interest expense and fees 5,662   6,606  
Cash paid for interest expense 0   0  
Amortization of original issue discounts 191   223  
2031 Asset-Backed Notes        
Debt Instrument [Line Items]        
Interest expense 1,243 1,903 4,206 5,710
Amortization of debt issuance cost (loan fees) 69 100 229 300
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 1,312 2,003 4,435 6,010
Cash paid for interest expense 1,241 1,856 4,139 5,568
Amortization of original issue discounts 34 47 109 141
2033 Notes        
Debt Instrument [Line Items]        
Interest expense 625 625 1,875 1,875
Amortization of debt issuance cost (loan fees) 27 27 81 81
Unused facility and other fees (loan fees) 0 0 0 0
Total interest expense and fees 652 652 1,956 1,956
Cash paid for interest expense 625 625 1,875 1,875
MUFG Bank Facility        
Debt Instrument [Line Items]        
Interest expense 1,191 4,105 5,736 8,181
Amortization of debt issuance cost (loan fees) 259 443 1,083 1,328
Unused facility and other fees (loan fees) 798 329 1,997 1,572
Total interest expense and fees 2,248 4,877 8,816 11,081
Cash paid for interest expense 1,210 3,875 5,719 7,596
SMBC Facility        
Debt Instrument [Line Items]        
Interest expense 2,161 3,961 9,470 9,989
Amortization of debt issuance cost (loan fees) 203 180 614 540
Unused facility and other fees (loan fees) 319 174 767 599
Total interest expense and fees 2,683 4,315 10,851 11,128
Cash paid for interest expense $ 1,897 $ 4,020 $ 9,764 $ 9,582