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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income Tax Contingency [Line Items]    
Valuation allowance for deferred tax asset $ 17,421 $ 13,022
Net operating loss carryforwards, valuation allowance 9,500  
Undistributed earnings of subsidiaries 292,300  
Unrecognized deferred income tax liabilities 14,600  
Federal    
Income Tax Contingency [Line Items]    
Federal capital losses 9,500  
Net operating loss carryforwards, valuation allowance 7,900  
Net operating loss carryforwards 7,900  
State    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards, valuation allowance 10,000  
Net operating loss carryforwards $ 10,000