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Investments in Equity Securities and Obligations to Deliver Securities - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2022
Investments in Equity Securities and Obligations to Deliver Securities [Line Items]    
Number of equity shares acquired to cover the short position 100,000  
Purchase of securities to cover short position $ 1,800,000  
Investment in equity securities 0 $ 0
Other Income [Member]    
Investments in Equity Securities and Obligations to Deliver Securities [Line Items]    
Realized loss on investments to cover short position $ (193,000)