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Fair Value Measurements (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Fair Value Measurement |  |
Schedule of portfolio investments by level in the fair value hierarchy | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2023
​ | ​ | Level 1 |  | Level 2 |  | Level 3 |  | Total
First Lien Debt |  | $ | — |  | $ | 25,881 |  | $ | 2,907,989 |  | $ | 2,933,870
Second Lien Debt | ​ |  | — | ​ |  | 42,704 | ​ |  | 92,008 | ​ |  | 134,712
Other Securities | ​ |  | — | ​ |  | — | ​ |  | 40,163 | ​ |  | 40,163
Subtotal | ​ | $ | — | ​ | $ | 68,585 | ​ | $ | 3,040,160 | ​ | $ | 3,108,745
Investment measured at net asset value(1) | ​ |  |  | ​ |  |  | ​ |  |  | ​ | $ | 14,705
Total | ​ |  |  | ​ |  |  | ​ |  |  | ​ | $ | 3,123,450
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ | ​ | Level 1 |  | Level 2 |  | Level 3 |  | Total
First Lien Debt |  | $ | — |  | $ | 25,362 |  | $ | 2,668,749 |  | $ | 2,694,111
Second Lien Debt | ​ |  | — | ​ |  | 5,459 | ​ |  | 122,891 | ​ |  | 128,350
Other Securities | ​ |  | — | ​ |  | — | ​ |  | 36,395 | ​ |  | 36,395
Subtotal | ​ | $ | — | ​ | $ | 30,821 | ​ | $ | 2,828,035 | ​ | $ | 2,858,856
Investment measured at net asset value(1) | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 14,732
Total | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 2,873,588
(1) | The Company, as a practical expedient, estimates the fair value of its investment in Help HP SCF Investor, LP using the net asset value of the Company’s members’ interest in the entity. As such, the fair value has not been classified within the fair value hierarchy.
| ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
First Lien Debt | ​ | $ | — | ​ | $ | 25,362 | ​ | $ | 2,668,749 | ​ | $ | 2,694,111
Second Lien Debt | ​ |  | — | ​ |  | 5,459 | ​ |  | 122,891 | ​ |  | 128,350
Other Securities | ​ |  | — | ​ |  | — | ​ |  | 36,395 | ​ |  | 36,395
Subtotal | ​ | $ | — | ​ | $ | 30,821 | ​ | $ | 2,828,035 | ​ | $ | 2,858,856
Investment measured at net asset value(1) | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 14,732
Total | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 2,873,588
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2021
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
First Lien Debt | ​ | $ | — | ​ | $ | 17,064 | ​ | $ | 2,207,036 | ​ | $ | 2,224,100
Second Lien Debt | ​ |  | — | ​ |  | — | ​ |  | 121,550 | ​ |  | 121,550
Other Securities | ​ |  | — | ​ |  | — | ​ |  | 27,973 | ​ |  | 27,973
Subtotal | ​ | $ | — | ​ | $ | 17,064 | ​ | $ | 2,356,559 | ​ | $ | 2,373,623
Investment measured at net asset value(1) | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 13,751
Total | ​ | ​ | ​ | ​ |  |  | ​ |  |  | ​ | $ | 2,387,374
(1) | The Company, as a practical expedient, estimates the fair value of its investment in Help HP SCF Investor, LP using the net asset value of the Company’s members’ interest in the entity. As such, the fair value has not been classified within the fair value hierarchy.
Schedule of changes in level III portfolio investments | The following table presents changes in the fair value of the investments for which Level 3 inputs were used to determine the fair value for the three months ended September 30, 2023:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | First Lien | ​ | Second Lien | ​ | ​ | ​ |  | Total
​ | ​ | Debt | ​ | Debt | ​ | Other Securities | ​ | Investments
Fair value, beginning of period | ​ | $ | 2,772,653 | ​ | $ | 113,084 | ​ | $ | 39,102 | ​ | $ | 2,924,839
Purchases of investments | ​ |  | 153,327 | ​ |  | — | ​ |  | 1,621 | ​ |  | 154,948
Proceeds from principal repayments and sales of investments | ​ |  | (41,712) | ​ |  | — | ​ |  | — | ​ |  | (41,712)
Accretion of discount/amortization of premium | ​ |  | 2,035 | ​ |  | 68 | ​ |  | 2 | ​ |  | 2,105
Payment-in-kind | ​ |  | 774 | ​ |  | 137 | ​ |  | 567 | ​ |  | 1,478
Net change in unrealized appreciation (depreciation) | ​ |  | 20,907 | ​ |  | 394 | ​ |  | (1,129) | ​ |  | 20,172
Net realized gains (losses) | ​ |  | 5 | ​ |  | — | ​ |  | — | ​ |  | 5
Transfers into/(out) of Level 3 | ​ |  | — | ​ |  | (21,675) | ​ |  | — | ​ |  | (21,675)
Fair value, end of period | ​ | $ | 2,907,989 | ​ | $ | 92,008 | ​ | $ | 40,163 | ​ | $ | 3,040,160
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of September 30, 2023 | ​ | $ | 20,893 | ​ | $ | 394 | ​ | $ | (1,129) | ​ | $ | 20,158
​ The following table presents changes in the fair value of the investments for which Level 3 inputs were used to determine the fair value for the nine months ended September 30, 2023:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | First Lien |  | Second Lien |  | ​ | ​ |  | Total
​ | ​ | Debt |  | Debt |  | Other Securities |  | Investments
Fair value, beginning of period | ​ | $ | 2,668,749 | ​ | $ | 122,891 | ​ | $ | 36,395 | ​ | $ | 2,828,035
Purchases of investments |  | ​ | 365,914 |  | ​ | 86 |  | ​ | 1,712 |  | ​ | 367,712
Proceeds from principal repayments and sales of investments |  | ​ | (168,477) |  | ​ | — |  | ​ | — |  | ​ | (168,477)
Accretion of discount/amortization of premium |  | ​ | 6,985 |  | ​ | 201 |  | ​ | 6 |  | ​ | 7,192
Payment-in-kind |  | ​ | 1,580 |  | ​ | 397 |  | ​ | 1,562 |  | ​ | 3,539
Net change in unrealized appreciation (depreciation) |  | ​ | 33,111 |  | ​ | 816 |  | ​ | 488 |  | ​ | 34,415
Net realized gains (losses) |  | ​ | 127 |  | ​ | — |  | ​ | — |  | ​ | 127
Transfers into/(out) of Level 3 |  | ​ | — |  | ​ | (32,383) |  | ​ | — |  | ​ | (32,383)
Fair value, end of period | ​ | $ | 2,907,989 | ​ | $ | 92,008 | ​ | $ | 40,163 | ​ | $ | 3,040,160
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of September 30, 2023 | ​ | $ | 32,754 | ​ | $ | 816 | ​ | $ | 488 | ​ | $ | 34,058
​ The following table presents changes in the fair value of the investments for which Level 3 inputs were used to determine the fair value for the three months ended September 30, 2022:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | First Lien |  | Second Lien |  | ​ | ​ |  | Total
​ | ​ | Debt | ​ | Debt | ​ | Other Securities | ​ | Investments
Fair value, beginning of period | ​ | $ | 2,492,968 | ​ | $ | 116,488 | ​ | $ | 32,898 | ​ | $ | 2,642,354
Purchases of investments | ​ |  | 178,809 | ​ |  | 461 | ​ |  | 1,016 | ​ |  | 180,286
Proceeds from principal repayments and sales of investments | ​ |  | (94,355) | ​ |  | — | ​ |  | — | ​ |  | (94,355)
Accretion of discount/amortization of premium | ​ |  | 3,520 | ​ |  | 50 | ​ |  | — | ​ |  | 3,570
Payment-in-kind | ​ |  | 228 | ​ |  | 130 | ​ |  | — | ​ |  | 358
Net change in unrealized appreciation (depreciation) | ​ |  | (18,171) | ​ |  | (3,345) | ​ |  | (1,569) | ​ |  | (23,085)
Net realized gains (losses) | ​ |  | — | ​ |  | 18 | ​ |  | — | ​ |  | 18
Transfers into/(out) of Level 3 | ​ |  | (20,083) | ​ |  | — | ​ |  | — | ​ |  | (20,083)
Fair value, end of period | ​ | $ | 2,542,916 | ​ | $ | 113,802 | ​ | $ | 32,345 | ​ | $ | 2,689,063
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of September 30, 2022 | ​ | $ | (17,747) | ​ | $ | (3,345) | ​ | $ | (1,569) | ​ | $ | (22,661)
​ The following table presents changes in the fair value of the investments for which Level 3 inputs were used to determine the fair value for the nine months ended September 30, 2022:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | First Lien |  | Second Lien |  | ​ | ​ |  | Total
​ | ​ | Debt | ​ | Debt | ​ | Other Securities | ​ | Investments
Fair value, beginning of period | ​ | $ | 2,207,036 | ​ | $ | 121,550 | ​ | $ | 27,973 | ​ | $ | 2,356,559
Purchases of investments | ​ |  | 709,912 | ​ |  | 15,694 | ​ |  | 4,808 | ​ |  | 730,414
Proceeds from principal repayments and sales of investments | ​ |  | (331,077) | ​ |  | — | ​ |  | (48) | ​ |  | (331,125)
Accretion of discount/amortization of premium | ​ |  | 8,645 | ​ |  | 210 | ​ |  | — | ​ |  | 8,855
Payment-in-kind | ​ |  | 665 | ​ |  | 389 | ​ |  | 397 | ​ |  | 1,451
Net change in unrealized appreciation (depreciation) | ​ |  | (52,779) | ​ |  | (6,541) | ​ |  | (833) | ​ |  | (60,153)
Net realized gains (losses) | ​ |  | 514 | ​ |  | — | ​ |  | 48 | ​ |  | 562
Transfers into/(out) of Level 3 | ​ |  | — | ​ |  | (17,500) | ​ |  | — | ​ |  | (17,500)
Fair value, end of period | ​ | $ | 2,542,916 | ​ | $ | 113,802 | ​ | $ | 32,345 | ​ | $ | 2,689,063
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of September 30, 2022 | ​ | $ | (50,808) | ​ | $ | (6,522) | ​ | $ | (833) | ​ | $ | (58,163)
| ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Total
​ | ​ | First Lien Debt | ​ | Second Lien Debt | ​ | Other Securities | ​ | Investments
Fair value, beginning of period | ​ | $ | 2,207,036 | ​ | $ | 121,550 | ​ | $ | 27,973 | ​ | $ | 2,356,559
Purchases of investments | ​ |  | 900,740 | ​ |  | 15,694 | ​ |  | 8,315 | ​ |  | 924,749
Proceeds from principal repayments and sales of investments | ​ |  | (384,631) | ​ |  | — | ​ |  | (48) | ​ |  | (384,679)
Accretion of discount/amortization of premium | ​ |  | 11,062 | ​ |  | 278 | ​ |  | 1 | ​ |  | 11,341
Payment-in-kind | ​ |  | 1,080 | ​ |  | 524 | ​ |  | 1,110 | ​ |  | 2,714
Net change in unrealized appreciation (depreciation) | ​ |  | (67,033) | ​ |  | (9,205) | ​ |  | (1,004) | ​ |  | (77,242)
Net realized gains (losses) | ​ |  | 495 | ​ |  | — | ​ |  | 48 | ​ |  | 543
Transfers into/(out) of Level 3 | ​ |  | — | ​ |  | (5,950) | ​ |  | — | ​ |  | (5,950)
Fair value, end of period | ​ | $ | 2,668,749 | ​ | $ | 122,891 | ​ | $ | 36,395 | ​ | $ | 2,828,035
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of December 31, 2022 | ​ | $ | (64,817) | ​ | $ | (9,186) | ​ | $ | (1,004) | ​ | $ | (75,007)
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Total
​ | ​ | First Lien Debt | ​ | Second Lien Debt | ​ | Other Securities | ​ | Investments
Fair value, beginning of period | ​ | $ | 558,318 | ​ | $ | 53,155 | ​ | $ | 2,959 | ​ | $ | 614,432
Purchases of investments | ​ |  | 1,956,780 | ​ |  | 101,352 | ​ |  | 25,723 | ​ |  | 2,083,855
Proceeds from principal repayments and sales of investments | ​ |  | (325,175) | ​ |  | (36,250) | ​ |  | (3,348) | ​ |  | (364,773)
Accretion of discount/amortization of premium | ​ |  | 8,831 | ​ |  | 1,008 | ​ |  | — | ​ |  | 9,839
Payment-in-kind | ​ |  | 133 | ​ |  | 509 | ​ |  | 537 | ​ |  | 1,179
Net change in unrealized appreciation (depreciation) | ​ |  | 5,052 | ​ |  | 1,776 | ​ |  | 455 | ​ |  | 7,283
Net realized gains (losses) | ​ |  | 248 | ​ |  | — | ​ |  | 1,647 | ​ |  | 1,895
Transfers into/(out) of Level 3 | ​ |  | 2,849 | ​ |  | — | ​ |  | — | ​ |  | 2,849
Fair value, end of period | ​ | $ | 2,207,036 | ​ | $ | 121,550 | ​ | $ | 27,973 | ​ | $ | 2,356,559
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in unrealized appreciation (depreciation) from investments still held as of December 31, 2021 | ​ | $ | 6,807 | ​ | $ | 1,775 | ​ | $ | 455 | ​ | $ | 9,037
​
Schedule of fair value measurement inputs and valuation techniques | The following table presents quantitative information about the significant unobservable inputs of the Company’s Level 3 financial instruments. The table is not intended to be all-inclusive but instead captures the significant unobservable inputs relevant to the Company’s determination of fair value.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2023 |
​ |  | ​ | ​ |  | ​ |  | ​ |  | Range | ​ | ​ |
​ | ​ | Fair | ​ | Valuation | ​ | Unobservable | ​ | ​ | ​ | ​ | ​ | Weighted |
​ | ​ | Value | ​ | Technique | ​ | Input | ​ | Low |  | High |  | Average |
Investments in first lien debt | ​ | $ | 2,641,353 |  | Yield Analysis |  | Discount Rate |  | 9.33 | % | 19.18 | % | 11.77 | %
​ | ​ |  | 266,636 |  | Transaction Price |  | Recent Transaction |  | 96.50 | % | 100.00 | % | 98.56 | %
Investments in second lien debt | ​ | $ | 87,508 |  | Yield Analysis |  | Discount Rate |  | 11.47 | % | 27.42 | % | 14.89 | %
​ | ​ |  | 4,500 |  | Transaction Price |  | Recent Transaction |  | 100.00 | % | 100.00 | % | 100.00 | %
Investments in other securities: | ​ |  | ​ |  |  |  |  |  |  |  |  |  |  | ​
Unsecured debt | ​ | $ | 1,877 |  | Income Approach |  | Discount Rate |  | 14.50 | % | 14.50 | % | 14.50 | %
​ | ​ |  | 125 |  | Market Approach |  | EBITDA Multiple |  | 9.00 | x | 9.00 | x | 9.00 | x
Preferred equity | ​ |  | 18,181 |  | Income Approach |  | Discount Rate |  | 12.19 | % | 15.48 | % | 13.45 | %
​ | ​ |  | 1,275 |  | Market Approach |  | Revenue Multiple |  | 7.50 | x | 7.50 | x | 7.50 | x
Common equity | ​ |  | 16,937 |  | Market Approach |  | EBITDA Multiple |  | 8.10 | x | 18.70 | x | 13.30 | x
​ | ​ |  | 1,768 |  | Market Approach |  | Revenue Multiple |  | 7.20 | x | 8.80 | x | 8.24 | x
Total investments in other securities | ​ | $ | 40,163 |  |  |  |  |  |  |  |  |  |  | ​
Total Investments | ​ | $ | 3,040,160 |  |  |  |  |  |  |  |  |  |  | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Range | ​ | ​ |
​ |  | Fair |  | Valuation |  | Unobservable |  | ​ |  | ​ |  | Weighted |
​ | ​ | Value | ​ | Technique | ​ | Input | ​ | Low | ​ | High | ​ | Average |
Investments in first lien debt | ​ | $ | 2,624,749 |  | Yield Analysis |  | Discount Rate |  | 9.20 | % | 20.44 | % | 11.27 | %
​ | ​ |  | 44,000 |  | Transaction Price |  | Recent Transaction |  | 100.00 | % | 100.00 | % | 100.00 | %
Investments in second lien debt | ​ | $ | 122,891 |  | Yield Analysis |  | Discount Rate |  | 12.14 | % | 17.20 | % | 14.24 | %
Investments in other securities | ​ |  |  |  |  |  |  |  |  |  |  |  |  | ​
Unsecured debt | ​ | $ | 1,826 |  | Income Approach |  | Discount Rate |  | 16.60 | % | 16.60 | % | 16.60 | %
​ | ​ |  | 372 |  | Market Approach |  | EBITDA Multiple |  | 9.00 | x | 9.00 | x | 9.00 | x
Preferred equity | ​ |  | 16,076 |  | Income Approach |  | Discount Rate |  | 12.20 | % | 15.69 | % | 13.62 | %
​ | ​ |  | 963 |  | Market Approach |  | Revenue Multiple |  | 8.78 | x | 8.78 | x | 8.78 | x
Common equity | ​ |  | 15,877 |  | Market Approach |  | EBITDA Multiple |  | 8.10 | x | 18.70 | x | 13.25 | x
​ | ​ |  | 1,281 |  | Market Approach |  | Revenue Multiple |  | 10.20 | x | 10.20 | x | 10.20 | x
Total investments in other securities | ​ | $ | 36,395 |  |  |  |  |  |  |  |  |  |  | ​
Total Investments | ​ | $ | 2,828,035 |  |  |  |  |  |  |  |  |  |  | ​
| ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022 |
​ | ​ | ​ | ​ | ​ | Valuation | ​ | Unobservable | ​ | Range | ​ | Weighted |
​ | ​ | Fair Value |  | Technique |  | Input |  | Low |  | High |  | Average |
Investments in first lien debt | ​ | $ | 2,624,749 | ​ | Yield Analysis | ​ | Discount Rate | ​ | 9.20 | % | 20.44 | % | 11.27 | %
​ |  | ​ | 44,000 |  | Transaction Price |  | Recent Transaction |  | 100 | % | 100 | % | 100 | %
Investments in second lien debt | ​ | $ | 122,891 |  | Yield Analysis |  | Discount Rate |  | 12.14 | % | 17.20 | % | 14.24 | %
Investments in other securities: | ​ |  |  |  | ​ |  | ​ |  |  |  |  |  |  | ​
Unsecured debt | ​ | $ | 1,826 |  | Income Approach |  | Discount Rate |  | 16.60 | % | 16.60 | % | 16.60 | %
​ | ​ |  | 372 |  | Market Approach |  | EBITDA Multiple |  | 9.00 | x | 9.00 | x | 9.00 | x
Preferred equity | ​ |  | 16,076 |  | Income Approach |  | Discount Rate |  | 12.20 | % | 15.69 | % | 13.62 | %
​ | ​ |  | 963 |  | Market Approach |  | Revenue Multiple |  | 8.78 | x | 8.78 | x | 8.78 | x
Common equity | ​ |  | 15,877 |  | Market Approach |  | EBITDA Multiple |  | 8.10 | x | 18.70 | x | 13.25 | x
​ | ​ |  | 1,281 |  | Market Approach |  | Revenue Multiple |  | 10.20 | x | 10.20 | x | 10.20 | x
Total investments in other securities | ​ | $ | 36,395 |  |  |  |  |  |  |  |  |  |  | ​
Total Investments | ​ | $ | 2,828,035 |  |  |  |  |  |  |  |  |  |  | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2021 |
​ | ​ | ​ | ​ | ​ | Valuation | ​ | Unobservable | ​ | Range | ​ | Weighted |
​ | ​ | Fair Value |  | Technique |  | Input |  | Low |  | High |  | Average |
Investments in first lien debt | ​ | $ | 2,207,036 | ​ | Yield Analysis | ​ | Discount Rate | ​ | 5.55 | % | 12.44 | % | 7.52 | %
Investments in second lien debt |  | $ | 121,550 |  | Yield Analysis |  | Discount Rate |  | 7.12 | % | 10.79 | % | 8.51 | %
Investments in other securities: |  | ​ | ​ |  | ​ |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​
Unsecured debt | ​ | $ | 1,350 |  | Yield Analysis |  | Discount Rate |  | 25.33 | % | 25.33 | % | 25.33 | %
​ |  | ​ | ​ |  | Market Approach |  | EBITDA Multiple |  | 9.00 | x | 9.00 | x | 9.00 | x
Preferred equity | ​ |  | 9,950 |  | Yield Analysis |  | Discount Rate |  | 11.70 | % | 12.10 | % | 11.92 | %
​ | ​ |  | 1,298 |  | Market Approach |  | Revenue Multiple |  | 11.80 | x | 11.80 | x | 11.80 | x
Common equity | ​ |  | 15,375 |  | Market Approach |  | EBITDA Multiple |  | 8.10 | x | 19.97 | x | 13.11 | x
Total investments in other securities | ​ | $ | 27,973 |  | ​ |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​
Total Investments | ​ | $ | 2,356,559 |  | ​ |  | ​ |  | ​ | ​ | ​ | ​ | ​ | ​
​
Schedule of carrying values and fair values of debt | facilities and 2025 Notes are estimated in accordance with the Company's valuation policy. The carrying value and fair value of the Company’s debt were as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2023 |  | December 31, 2022
​ |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
BNP Funding Facility | ​ | $ | 345,000 | ​ | $ | 345,000 | ​ | $ | 400,000 | ​ | $ | 400,000
Truist Credit Facility | ​ |  | 680,252 | ​ |  | 680,252 | ​ |  | 432,254 | ​ |  | 432,254
2027 Notes(1) | ​ |  | 420,497 | ​ |  | 392,403 | ​ |  | 419,498 | ​ |  | 394,995
2025 Notes(1) | ​ |  | 272,630 | ​ |  | 275,000 | ​ |  | 271,723 | ​ |  | 275,000
Total | ​ | $ | 1,718,379 | ​ | $ | 1,692,654 | ​ | $ | 1,523,475 | ​ | $ | 1,502,249
(1) | As of September 30, 2023, the carrying value of the Company’s 2027 Notes and 2025 Notes were presented net of unamortized debt issuance costs of $3,782 and $2,370, and unamortized original issuance discount of $721 and $0, respectively. As of December 31, 2022, the carrying value of the Company’s 2027 Notes and 2025 Notes were presented net of unamortized debt issuance costs of $4,622 and $3,277, and unamortized original issuance discount of $881 and $0, respectively.
| ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2022 |  | December 31, 2021
​ |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
CIBC Subscription Facility | ​ | $ | — | ​ | $ | — | ​ | $ | 310,350 | ​ | $ | 310,350
BNP Funding Facility | ​ |  | 400,000 | ​ |  | 400,000 | ​ |  | 463,500 | ​ |  | 463,500
Truist Credit Facility | ​ |  | 432,254 | ​ |  | 432,254 | ​ |  | 476,000 | ​ |  | 476,000
2027 Notes(1) | ​ |  | 419,498 | ​ |  | 394,995 | ​ |  | — | ​ |  | —
2025 Notes(1) | ​ |  | 271,723 | ​ |  | 275,000 | ​ |  | — | ​ |  | —
Total | ​ | $ | 1,523,475 | ​ | $ | 1,502,249 | ​ | $ | 1,249,850 | ​ | $ | 1,249,850
(1) | The carrying value of the Company’s 2027 Notes and 2025 Notes were presented net of unamortized debt issuance costs of $4,622 and $3,277, and unamortized original issuance discount of $881 and $—, respectively.

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