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Defined Benefit Plan - Summary of Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Retirement Benefits [Abstract]        
Service cost $ 90 $ 105 $ 271 $ 321
Interest cost 60 10 182 31
Expected return on plan assets (54) (18) (163) (54)
Amortization of unrecognized loss (9) (7) (27) (20)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment 0 0 (13) (31)
Net periodic benefit cost $ 87 $ 90 $ 250 $ 247