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Cash and Cash Equivalents - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Cash equivalents $ 284 $ 11,488
Total cash and cash equivalents 132,700 140,709
Two Financial Institutions [Member]    
Cash and cash equivalents 132,348 127,328
International Business Segment [Member]    
Minimum level of regulatory net capital $ 23,144 $ 12,320