Related Party Transactions - Schedule of Related Party Transactions (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Managing Dealer | Commissions
Related Party Transaction [Line Items]
Related party fees and expenses	$ 483	$ 288	$ 770	$ 542
Managing Dealer | Dealer manager fees
Related Party Transaction [Line Items]
Related party fees and expenses	253	153	401	284
Managing Dealer | Distribution and shareholder servicing fees
Related Party Transaction [Line Items]
Related party fees and expenses	180	79	339	143
Manager and Sub-Manager | Organization and offering expenses
Related Party Transaction [Line Items]
Related party fees and expenses	716	667	1,246	1,053
Manager and Sub-Manager | Base management fees
Related Party Transaction [Line Items]
Related party fees and expenses	2,129	1,156	3,992	1,990
Manager and Sub-Manager | Return incentive fees
Related Party Transaction [Line Items]
Related party fees and expenses	1,741	2,577	4,633	4,870
Manager and Sub-Manager | Expense Support Provided Expense Support and Conditional Reimbursement Agreement
Related Party Transaction [Line Items]
Related party fees and expenses	0	1,845	0	4,495
Manager and Sub-Manager | Reimbursement of Expense Support
Related Party Transaction [Line Items]
Related party fees and expenses	722	0	2,352	0
Manager | Reimbursement of Third Party Operating Expenses
Related Party Transaction [Line Items]
Related party fees and expenses	35	28	57	56
Sub-Manager | Reimbursement of Third Party Pursuit Costs
Related Party Transaction [Line Items]
Related party fees and expenses	$ 179	$ 514	$ 339	$ 514