v3.26.1
Marketable Securities - Additional Information (Detail) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]    
Net unrealized gain (loss) on marketable securities $ 0 $ 4,000
Credit loss recognized 0 0
Sales of investments 0 0
Prepaids and Other Current Assets    
Schedule Of Available For Sale Securities [Line Items]    
Accrued interest income receivable $ 19,000 $ 21,000