Quarterly report [Sections 13 or 15(d)]

Consolidated Balance Sheets (Parenthetical)

v3.25.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Investment, cost $ 4,295,736,000 [1],[2],[3] $ 4,237,312,000 [4],[5]
Deferred financing costs, accumulated amortization $ 15,258,000 $ 14,592,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common stock, shares issued (in shares) 88,659,597 88,398,713
Common stock, shares outstanding (in shares) 88,659,597 88,398,713
July 2026 Notes | Unsecured Notes    
Debt instrument, par value $ 500,000,000 $ 500,000,000
June 2027 Notes | Unsecured Notes    
Debt instrument, par value 400,000,000 400,000,000
March 2029 Notes | Unsecured Notes    
Debt instrument, par value 350,000,000 350,000,000
SBIC Debentures | Unsecured Notes    
Debt instrument, par value 350,000,000 350,000,000
December 2025 Notes | Unsecured Notes    
Debt instrument, par value 150,000,000 150,000,000
Control investments    
Investment, cost 1,500,635,000 [3],[6] 1,415,970,000 [7],[8]
Affiliate investments    
Investment, cost 756,967,000 [3],[9] 743,441,000 [8],[10]
Non‑Control/Non‑Affiliate investments    
Investment, cost $ 2,038,134,000 [3],[11] $ 2,077,901,000 [8],[12]
[1] All portfolio company headquarters are based in the United States, unless otherwise noted.
[2] All investments are Lower Middle Market portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Lower Middle Market portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Company’s Corporate Facility or SPV Facility (each as defined in Note B.5. — Summary of Significant Accounting Policies —Deferred Financing Costs, and together the “Credit Facilities”) or in support of the SBA-guaranteed debentures issued by the Funds.
[3] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan.
[4] All portfolio company headquarters are based in the United States, unless otherwise noted.
[5] All investments are Lower Middle Market portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Lower Middle Market portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Company’s Corporate Facility or SPV Facility (each as defined in Note B.5. — Summary of Significant Accounting Policies —Deferred Financing Costs, and together the “Credit Facilities”) or in support of the SBA-guaranteed debentures issued by the Funds.
[6] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained.
[7] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained.
[8] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan.
[9] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[10] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[11] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[12] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.