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Acquisition - Components of Other Intangible Acquired (Detail) - Nonstop Delivery, LLC [Member] $ in Thousands | 9 Months Ended
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Sep. 30, 2021 USD ($)
Customer Relationships [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 46,200
Finite-lived intangible assets, Accumulated Amortization | 2,567
Finite-lived intangible assets, Net Carrying Value | $ 43,633
Intangible assets estimated useful life | 15 years
Agent Relationships [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 600
Finite-lived intangible assets, Accumulated Amortization | 125
Finite-lived intangible assets, Net Carrying Value | $ 475
Intangible assets estimated useful life | 4 years
Trade Name [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 900
Finite-lived intangible assets, Accumulated Amortization | 500
Finite-lived intangible assets, Net Carrying Value | $ 400
Intangible assets estimated useful life | 18 months

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