Redeemable Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	2 Months Ended	6 Months Ended	20 Months Ended
	Aug. 12, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2021	Jul. 29, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Redeemable common stock, shares issued (in shares)		5,536,905	5,536,905	5,536,905		3,247,457
Increase to redeemable common stock		$ 10,200
Decrease to additional paid In capital		$ 10,200
Subsequent Event
Class of Stock [Line Items]
Aggregate net proceeds	$ 22,000
Affiliated entity
Class of Stock [Line Items]
Aggregate net proceeds				$ 164,380
Massachusetts Mutual Life Insurance Company | Redeemable common stock | Affiliated entity
Class of Stock [Line Items]
Redeemable common stock, shares issued (in shares)		5,536,905	5,536,905	5,536,905		3,247,457
Aggregate net proceeds			$ 144,900
Stock redemption terms, minimum net asset value		$ 1,500,000	$ 1,500,000	$ 1,500,000
Stock redemption terms, number of shares to be repurchased, percentage of net proceeds from sales of stock			15.00%
Stock redemption terms, number of shares to be repurchased, percentage of net asset value			1.50%
Stock redemption terms, term			3 years
Share of entity's stock, minimum net asset value		20,000	$ 20,000	20,000
Massachusetts Mutual Life Insurance Company | Redeemable common stock | Private Offering | Affiliated entity
Class of Stock [Line Items]
Sale of stock, purchase commitment received		$ 200,000	$ 200,000	$ 200,000
Sale of stock, price per share (in USD per share)		$ 25.00	$ 25.00	$ 25.00
Massachusetts Mutual Life Insurance Company | Redeemable common stock | Private Offering | Affiliated entity | Subsequent Event
Class of Stock [Line Items]
Sale of stock, purchase commitment received					$ 200,000