Class N Redeemable Common Stock - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Class of Stock [Line Items]
Decrease to redeemable common stock	$ (3.9)	$ 10.2	$ (16.8)	$ 20.3
Increase to additional paid In capital	3.9	$ 10.2	$ 16.8	$ 20.3
Massachusetts Mutual Life Insurance Company | Class N Common Stock | Affiliated entity
Class of Stock [Line Items]
Stock redemption terms			3 years
Massachusetts Mutual Life Insurance Company | Class N Common Stock | Private Offering | Affiliated entity
Class of Stock [Line Items]
Capital commitment	400.0		$ 400.0
Massachusetts Mutual Life Insurance Company | Redeemable common stock | Affiliated entity
Class of Stock [Line Items]
Share of entity's stock, minimum net asset value	$ 20.0		$ 20.0