Related Party Transactions and Arrangements - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			2 Months Ended	3 Months Ended		6 Months Ended
	Oct. 30, 2020	Jul. 31, 2020	Mar. 31, 2017	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Winthrop Advisor and its Affiliates [Member]
Related Party Transaction [Line Items]
Fees paid to related parties				$ 300	$ 300	$ 600	$ 600
Liquidation Value [Member] | Asset Management Fees and Compensation Reimbursements [Member]
Related Party Transaction [Line Items]
Fees paid to related parties	$ 83,000
Liquidation Value [Member] | Advisor [Member] | Post Liquidation Date Agreement Monthly Supplemental Fee [Member]
Related Party Transaction [Line Items]
Fees paid to related parties		$ 100,000
Liquidation Value [Member] | Advisor [Member] | Post Liquidation Date Agreement Quarterly Supplemental Fee [Member]
Related Party Transaction [Line Items]
Fees paid to related parties		$ 50,000
Liquidation Value [Member] | Service Provider and Affiliates [Member]
Related Party Transaction [Line Items]
Incentive fee, percentage of excess of hurdle amount			10.00%
Hurdle amount (in dollars per share)			$ 110
Liquidation Value [Member] | Winthrop Advisor and its Affiliates [Member] | Asset Management Fees and Compensation Reimbursements [Member]
Related Party Transaction [Line Items]
Asset management fees and compensation reimbursements				$ 1,200		$ 1,200		$ 1,200