Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Summary of Intangible Assets (Detail)

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Intangible Assets, Net - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Cost of intangible assets gross, beginning balance     $ 46,521 $ 46,521 $ 46,521
Cost of intangible assets gross, ending balance $ 46,521   46,521   46,521
Accumulated amortization, beginning balance     (25,172) (22,597) (22,597)
Amortization expense (595) $ (644) (1,821) (1,931) (2,575)
Accumulated amortization, ending balance (26,993)   (26,993)   (25,172)
Net book value $ 19,528   $ 19,528   21,349
Minimum          
Useful lives 3 years   3 years    
Maximum          
Useful lives 20 years   20 years    
Customer Relationships          
Cost of intangible assets gross, beginning balance     $ 44,060 44,060 44,060
Cost of intangible assets gross, ending balance $ 44,060   44,060   44,060
Accumulated amortization, beginning balance     (22,711) (20,136) (20,136)
Amortization expense     (1,821)   (2,575)
Accumulated amortization, ending balance (24,532)   (24,532)   (22,711)
Net book value $ 19,528   $ 19,528   $ 21,349
Customer Relationships | Minimum          
Useful lives 10 years   10 years   10 years
Customer Relationships | Maximum          
Useful lives 20 years   20 years   20 years
Other Intangible Assets          
Cost of intangible assets gross, beginning balance     $ 2,461 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) (2,461)
Accumulated amortization, ending balance $ (2,461)   $ (2,461)   $ (2,461)
Other Intangible Assets | Minimum          
Useful lives 3 years   3 years   3 years
Other Intangible Assets | Maximum          
Useful lives 5 years   5 years   5 years