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Agreements and Related Party Transactions - Expense Payments and Reimbursement Payments (Details) - USD ($)		12 Months Ended
	Dec. 12, 2018	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Recoupment of expense support (Note 3)		$ 0	$ 0	$ 0
Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates		8,925,000	10,809,000
Expense Support Agreement
Related Party Transaction [Line Items]
Expense payment period	45 days
Expense Support Agreement | Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates		$ 0	$ 0
Expense Support Agreement, Excess Operating Funds
Related Party Transaction [Line Items]
Expense payment period	3 years

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