Class N Redeemable Common Stock - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Increase to redeemable common stock	$ (35.0)	$ 10.9	$ 24.1
Additional paid in capital	(35.0)	$ 10.9	$ 24.1
Massachusetts Mutual Life Insurance Company | Affiliated entity | Class N Common Stock
Class of Stock [Line Items]
Minimum repurchase amount	$ 50.0
Stock redemption terms, term	3 years
Massachusetts Mutual Life Insurance Company | Affiliated entity | Class N Common Stock | Private Offering
Class of Stock [Line Items]
Capital commitment	$ 400.0
Shares repurchase maximum	200.0
Massachusetts Mutual Life Insurance Company | Affiliated entity | Redeemable common stock
Class of Stock [Line Items]
Share of entity's stock, minimum net asset value	$ 20.0