Related Party Transactions - Summary of Fees and Expenses Incurred and Amounts of Investment Funding Due (Parenthetical) (Detail) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Due to related parties	$ 6,593,841	$ 2,109,833	$ 1,438,450
Organization and offering costs incurred by advisor on behalf of Company	$ 12,159,260	$ 11,460,817
Percentage of organization and offering costs to gross offering proceeds	1.00%	1.00%
Unreimbursed Operating Expenses [Member] | Advisor [Member]
Related Party Transaction [Line Items]
Due to related parties	$ 14,656,274	$ 12,728,245
Fees and expenses, Incurred	1,928,028	1,659,279
Organization And Offering Costs Payable [Member] | Advisor [Member]
Related Party Transaction [Line Items]
Due to related parties	$ 85,376	$ 100,391