CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical Footnotes) - USD ($) $ in Thousands	Sep. 30, 2024		Mar. 31, 2024
Schedule of Investments [Line Items]
Investments at fair value	$ 1,508,507	[1],[2],[3],[4],[5],[6],[7]	$ 1,476,561	[8],[9],[10],[11],[12],[13],[14]
Percentage of Net Assets at Fair Value	190.65%	[1],[2],[3],[4],[5],[6]	195.40%	[8],[9],[10],[11],[12],[13]
Contribution percentage in non-qualified assets	10.60%		10.60%
Gross unrealized appreciation	$ 96,000		$ 96,300
Gross unrealized depreciation	125,600		96,400
Net unrealized appreciation (depreciation)	(29,600)		100
Cost of investments	$ 1,538,100		$ 1,471,100
Percent of total assets	94.00%		94.80%
Non-control/Non-affiliate investments
Schedule of Investments [Line Items]
Investments at fair value	$ 1,297,261		$ 1,286,355
Percent of investment assets	86.00%		87.10%
Percentage of Net Assets at Fair Value	163.90%		170.20%
Affiliate investments
Schedule of Investments [Line Items]
Investments at fair value	$ 201,870		$ 190,206
Percent of investment assets	13.40%		12.90%
Percentage of Net Assets at Fair Value	25.50%		25.20%
Control investments
Schedule of Investments [Line Items]
Investments at fair value	$ 9,376		$ 0
Percent of investment assets	0.60%
Percentage of Net Assets at Fair Value	1.20%
Minimum
Schedule of Investments [Line Items]
Variable rate adjustment	0.10%		0.00%
Maximum
Schedule of Investments [Line Items]
Variable rate adjustment	0.26161%		0.26161%

[1] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.

[2] Unless otherwise noted, all portfolio company headquarters are based in the United States.

[3] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At September 30, 2024, the Company held $201.9 million of affiliate investments, which represented approximately 13.4% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 25.5%.

[4] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.

[5] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At September 30, 2024, the Company held $9.4 million of control investments, which represented approximately 0.6% of the Company's investment assets. The fair value of these investments as a percent of net assets is 1.2%.

[6] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. At September 30, 2024, the Company held $1,297.3 million of non-control/non-affiliate investments, which represented approximately 86.0% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 163.9%.

[7] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.

[8] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.

[9] Unless otherwise noted, all portfolio company headquarters are based in the United States.

[10] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At March 31, 2024, the Company held $190.2 million of affiliate investments, which represented approximately 12.9% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 25.2%.

[11] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.

[12] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At March 31, 2024, the Company did not hold any control investments.

[13] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act, as investments that are neither control investments nor affiliate investments. At March 31, 2024, the Company held $1,286.4 million of non-control/non-affiliate investments, which represented approximately 87.1% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 170.2%.

[14] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.