Fair Value Option - Additional Information (Detail) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Corporate Loans
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value of financial instruments more than one day past due	$ 0	$ 0
Loans and Receivables
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair value of financial instruments more than one day past due	0	0
Fair value of financial instruments with non-accrual status	$ 0	$ 0