Quarterly report pursuant to Section 13 or 15(d)

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

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Debt - Components of Interest Expense, Related Fees, Losses on Debt Extinguishment and Cash Paid for Interest Expense for Debt (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Debt Instrument [Line Items]        
Interest Expense, Total $ 16,682 $ 16,445 $ 44,361 $ 50,705
Amortization of debt issuance costs 1,268 2,772 [1] 3,507 6,532 [1]
Interest Expense Debt 14,499 [2] 13,069 [2] 38,844 [3] 42,309 [2]
Cash paid for interest expense 21,740 16,274 44,382 44,985
Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 915 604 2,010 1,864
SBA Debentures        
Debt Instrument [Line Items]        
Interest Expense, Total 1,308 164 3,282 1,595
Amortization of debt issuance costs 148 50 [1] 434 367 [1]
Interest Expense Debt 1,160 [3] 114 [2] 2,848 [3] 1,228 [2]
Cash paid for interest expense 2,086 183 2,835 2,272
SBA Debentures | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
2022 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 0 1,866 1,061 5,597
Amortization of debt issuance costs 0 90 [1] 50 270 [1]
Interest Expense Debt 0 [4] 1,776 [2] 1,011 [3] 5,327 [2]
Cash paid for interest expense 0 0 2,293 3,469
2022 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
July 2024 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 1,326 1,326 3,978 3,977
Amortization of debt issuance costs 74 74 [1] 222 221 [1]
Interest Expense Debt 1,252 [3] 1,252 [2] 3,756 [3] 3,756 [2]
Cash paid for interest expense 2,504 2,504 5,008 5,008
July 2024 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
February 2025 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 564 564 1,691 1,691
Amortization of debt issuance costs 29 29 [1] 86 86 [1]
Interest Expense Debt 535 [3] 535 [2] 1,605 [3] 1,605 [2],[5]
Cash paid for interest expense 1,070 1,070 2,140 2,140
February 2025 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
June 2025 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 794 794 2,384 2,384
Amortization of debt issuance costs 40 40 [1] 121 121 [1]
Interest Expense Debt 754 [3] 754 [2] 2,263 [3] 2,263 [2]
Cash paid for interest expense 0 0 1,509 1,509
June 2025 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
June 2025 3-Year Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 788   859  
Amortization of debt issuance costs 38   42  
Interest Expense Debt [3] 750   817  
Cash paid for interest expense 0   0  
June 2025 3-Year Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0   0  
March 2026 A Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 587 587 1,760 1,758
Amortization of debt issuance costs 24 24 [1] 72 70 [1]
Interest Expense Debt 563 [3] 563 [2] 1,688 [3] 1,688 [2]
Cash paid for interest expense 1,125 1,125 2,250 1,875
March 2026 A Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
March 2026 B Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 595 595 1,784 1,367
Amortization of debt issuance costs 26 26 [1] 78 59 [1]
Interest Expense Debt 569 [3] 569 [2] 1,706 [3] 1,308 [2]
Cash paid for interest expense 1,137 1,138 2,275 1,138
March 2026 B Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
September 2026 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 2,378 370 7,135 370
Amortization of debt issuance costs 204 32 [1] 612 32 [1]
Interest Expense Debt 2,174 [3] 338 [2] 6,523 [3] 338 [2]
Cash paid for interest expense 4,266 0 8,532 0
September 2026 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
January 2027 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 3,286   9,127  
Amortization of debt issuance costs 207   575  
Interest Expense Debt [3] 3,079   8,552  
Cash paid for interest expense 5,906   5,906  
January 2027 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0   0  
2031 Asset-Backed Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 2,003   2,181  
Amortization of debt issuance costs 100   109  
Interest Expense Debt 1,903 [2]   2,072 [3]  
Cash paid for interest expense 1,815   1,815  
2031 Asset-Backed Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0   0  
2033 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 652 652 1,956 1,956
Amortization of debt issuance costs 27 27 [1] 81 81 [1]
Interest Expense Debt 625 [2] 625 [2] 1,875 [3] 1,875 [2]
Cash paid for interest expense 625 625 1,875 1,875
2033 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
2022 Convertible Notes        
Debt Instrument [Line Items]        
Interest Expense, Total 0 2,906 1,072 8,719
Amortization of debt issuance costs 0 223 [1] 149 669 [1]
Interest Expense Debt 0 [2] 2,683 [2] 923 [3] 8,050 [2]
Cash paid for interest expense 0 5,031 5,004 10,062
2022 Convertible Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 0 0 0 0
MUFG Bank Facility        
Debt Instrument [Line Items]        
Interest Expense, Total 1,973 [6] 1,062 [7] 4,830 [6] 2,997 [7]
Amortization of debt issuance costs 253 [4] 314 [1],[7] 665 [6] 968 [1],[7]
Interest Expense Debt 1,000 [2],[4] 290 [2],[7] 2,483 [3],[6] 625 [2],[7]
Cash paid for interest expense 1,025 [6] 327 [7] 2,240 [6] 540 [7]
MUFG Bank Facility | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) 720 [6] 458 [7] 1,682 [6] 1,404 [7]
SMBC Facility        
Debt Instrument [Line Items]        
Interest Expense, Total 428   1,261  
Amortization of debt issuance costs 98   211  
Interest Expense Debt 135 [2]   722 [3]  
Cash paid for interest expense 181   700  
SMBC Facility | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) $ 195   $ 328  
April 2025 Notes        
Debt Instrument [Line Items]        
Interest Expense, Total [5]   1,477   3,636
Amortization of debt issuance costs [1],[5]   1,477   1,667
Interest Expense Debt   0   1,969 [2],[5]
Cash paid for interest expense [5]   667   2,635
April 2025 Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees)   0   0
2027 Asset-Backed Notes        
Debt Instrument [Line Items]        
Interest Expense, Total [5]   1,416   5,515
Amortization of debt issuance costs [1],[5]   72   922
Interest Expense Debt [2],[5]   1,344   4,593
Cash paid for interest expense [5]   1,348   4,677
2027 Asset-Backed Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees)   0   0
2028 Asset-Backed Notes        
Debt Instrument [Line Items]        
Interest Expense, Total [5]   2,477   8,551
Amortization of debt issuance costs [1],[5]   251   867
Interest Expense Debt [2],[5]   2,226   7,684
Cash paid for interest expense [5]   2,256   7,785
2028 Asset-Backed Notes | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees)   0   0
Wells Facility        
Debt Instrument [Line Items]        
Interest Expense, Total [5]   189   592
Amortization of debt issuance costs [1],[5]   43   132
Interest Expense Debt   0   0
Cash paid for interest expense   0   0
Wells Facility | Unused Facility Other Fees [Member]        
Debt Instrument [Line Items]        
Unused facility and other fees (loan fees) [5]   $ 146   $ 460
[1] “Amortization of debt issuance cost (loan fees)” includes $1,477 thousand, $28 thousand, and $197 thousand related to debt extinguishment costs for the April
2025 Notes, 2027 Asset-Backed Notes, and 2028 Asset-Backed Notes, respectively during both the three and nine months ended September 30, 2021 disclosed as
a “Loss on debt extinguishment” in the Consolidated Statement of Operations.
[2] Interest expense includes amortization of original issue discounts for the three months ended September 30, 2021 of $41 thousand, $168 thousand, and $6 thousand, for the 2022 Notes, 2022 Convertible Notes, and September 2026 Notes, respectively. Interest expense includes for the nine months ended September 30, 2021, $123 thousand, $504 thousand, and $6 thousand for the 2022 Notes, 2022 Convertible Notes, and September 2026 Notes, respectively.
[3] Interest expense includes amortization of original issue discounts for the three months ended September 30, 2022 of $42 thousand, $126 thousand, and $47 thousand related to the September 2026 Notes, January 2027 Notes, and 2031 Asset-Backed Notes, respectively. For the nine months ended September 30, 2022, $23 thousand, $112 thousand, $125 thousand, $349 thousand, and $51 thousand related to the 2022 Notes, 2022 Convertible Notes, September 2026 Notes, January 2027 Notes, and 2031 Asset-Backed Notes, respectively.
[4] The June 2022 amendment of the MUFG Bank Facility replaced the Union Bank Facility via an amendment which changed the lead lender.
[5] The April 2025 Notes, 2027 Asset-Backed Notes and 2028 Asset-Backed Notes were retired on July 1, 2021 and October 20, 2021, respectively. The Wells
Facility was terminated on November 29, 2021.
[6] The June 2022 amendment of the MUFG Bank Facility replaced the Union Bank Facility via an amendment which changed the lead lender.
[7] The June 2022 amendment of the MUFG Bank Facility replaced the Union Bank Facility via an amendment which changed the lead lender.