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Acquisition - Schedule of Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill, Beginning Balance	$ 508,555
Goodwill, Ending Balance	520,592
Nonstop Delivery L L C [Member]
Business Acquisition [Line Items]
Goodwill, Beginning Balance	508,555
Acquisition	12,073
Other	(36)
Goodwill, Ending Balance	$ 520,592

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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