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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Finite Lived Intangible Assets [Line Items] |  |
Cost | $ 56,681 | $ 56,681
Accumulated amortization | (19,945) | (15,503)
Net book value | 36,736 | 41,178
Indefinite, cost | 5,871 | 5,871
Indefinite, net book value | 5,871 | 5,871
Total, cost | 62,552 | 62,552
Total, accumulated amortization | (19,945) | (15,503)
Total, net book value | $ 42,607 | $ 47,049
Customer Relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years | 8 years |
Average remaining life in years | 6 years 7 months 6 days | 7 years 3 months 18 days
Cost | $ 50,285 | $ 50,285
Accumulated amortization | (16,826) | (12,991)
Net book value | $ 33,459 | $ 37,294
Customer Relationships [Member] | Minimum [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years | 8 years | 8 years
Customer Relationships [Member] | Maximum [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years | 11 years | 11 years
Non-compete Agreements [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years | 5 years | 5 years
Average remaining life in years | 3 years 6 months | 4 years 2 months 12 days
Cost | $ 3,296 | $ 3,296
Accumulated amortization | (994) | (499)
Net book value | 2,302 | $ 2,797
Customer Backlog [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years |  | 6 months
Cost | 1,900 | $ 1,900
Accumulated amortization | $ (1,900) | $ (1,900)
Trade Name [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Estimated useful life in years | 8 years | 8 years
Average remaining life in years | 6 years 6 months | 7 years 3 months 18 days
Cost | $ 1,200 | $ 1,200
Accumulated amortization | (225) | (113)
Net book value | $ 975 | $ 1,087

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