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Goodwill and Intangible Assets - Schedule of Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross Amount $ 2,430 $ 2,430
Accumulated Amortization 431 278
Carrying Value $ 1,999 $ 2,152
Customer Relationship [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 12 years 12 years
Gross Amount $ 2,320 $ 2,320
Accumulated Amortization 411 265
Carrying Value $ 1,909 $ 2,055
Other [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life (in years) 12 years 12 years
Gross Amount $ 110 $ 110
Accumulated Amortization 20 13
Carrying Value $ 90 $ 97