Segment Reporting - Additional Information (Detail)	6 Months Ended
Jun. 30, 2023 Segment Containers Trailers Tractors Drivers Operators
Segment Reporting Information [Line Items]
Number of Reportable Segments \| Segment	2
Number of Tractor \| Tractors	2,400
Number of Drivers \| Drivers	3,200
Number of Trailer \| Trailers	4,400
Number of Independent Owners \| Operators	560
Number of Containers \| Containers	49,000

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration