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Transactions with Related Parties - Narrative (Details) $ in Thousands								3 Months Ended		6 Months Ended
	Apr. 14, 2026 USD ($)	Jan. 22, 2026	Mar. 31, 2025 component	Apr. 01, 2022	Mar. 31, 2022	Jan. 01, 2022	Dec. 31, 2021	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Transactions with Related Parties
Base management fees								$ 19,302	$ 15,868	$ 38,244	$ 29,944
Base management fee waivers								(3,861)	0	(7,649)	0
Administrative agreement service fee								1,320	1,096	2,868	2,058
Accounts payable and accrued expenses								25,200		25,200		$ 27,870
Aggregate purchase price	$ 335,275
Related Party
Transactions with Related Parties
Accounts payable								0		$ 0		0
Related Party \| MC Advisors
Transactions with Related Parties
Number of components \| component			2
Initial base management fee, percentage				1.25%	1.50%
Base management fee, percentage		1.00%								1.75%
Quarterly hurdle rate percentage				1.50%						1.50%
Annual hurdle rate percentage				6.00%						6.00%
Incentive fee payable as a percentage of pre-incentive fee net investment income, if such income does not exceed the hurdle rate in any calendar quarter				0.00%
Incentive fee payable as a percentage of pre-incentive fee net investment income, if portion of such income exceeds the hurdle rate but is less than the specified hurdle rate in any calendar quarter				100.00%
Specified percentage of hurdle rate, considered for payment of incentive fee, prior to an exchange listing				1.7143%	1.76%
Specified percentage of hurdle rate, considered for payment of incentive fee, following an exchange listing				1.88%
Incentive fee payable as a percentage of pre-incentive fee net investment income, if such income exceeds the specified hurdle rate in any calendar quarter, prior to an exchange listing				12.50%	15.00%
Incentive fee payable as a percentage of pre-incentive fee net investment income, if such income exceeds the specified hurdle rate in any calendar quarter, following an exchange listing				20.00%
Percentage of company's realized capital gains payable as incentive fee						12.50%	15.00%
Related Party \| MC Management
Transactions with Related Parties
Administrative expenses								4,381	$ 2,884	$ 8,857	$ 5,524
Accounts payable and accrued expenses								$ 1,320		$ 1,320		$ 1,384
Monroe Capital LLC \| Related Party \| Wendel
Transactions with Related Parties
Subsidiary, ownership percentage, parent			75.00%