Annual report [Section 13 and 15(d), not S-K Item 405]

Intangible Assets - Summary of Intangible Assets (Detail)

v3.26.1
Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]      
Cost of intangible assets gross, beginning balance $ 46,521 $ 46,521  
Cost of intangible assets gross, ending balance 46,521 46,521 $ 46,521
Accumulated amortization, beginning balance (29,877) (27,588)  
Amortization expense (2,193) (2,289) (2,416)
Accumulated amortization, ending balance (32,070) (29,877) (27,588)
Net book value $ 14,451 16,644  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 3 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 20 years    
Customer Relationships      
Finite-Lived Intangible Assets [Line Items]      
Cost of intangible assets gross, beginning balance $ 44,060 44,060  
Cost of intangible assets gross, ending balance 44,060 44,060 44,060
Accumulated amortization, beginning balance (27,416) (25,127)  
Amortization expense (2,193) (2,289)  
Accumulated amortization, ending balance (29,609) (27,416) (25,127)
Net book value $ 14,451 $ 16,644  
Customer Relationships | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 10 years 10 years  
Customer Relationships | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 20 years 20 years  
Other Intangible Assets      
Finite-Lived Intangible Assets [Line Items]      
Cost of intangible assets gross, beginning balance $ 2,461 $ 2,461  
Cost of intangible assets gross, ending balance 2,461 2,461 2,461
Accumulated amortization, beginning balance (2,461) (2,461)  
Accumulated amortization, ending balance $ (2,461) $ (2,461) $ (2,461)
Other Intangible Assets | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 3 years 3 years  
Other Intangible Assets | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful lives 5 years 5 years