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Fair Value Measurement - Summary of Quantitative Information about Significant Unobservable Inputs Used in Fair Value Measurement of Contingent Consideration (Parenthetical) (Detail) | 3 Months Ended
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Sep. 30, 2022
Fair Value Disclosures [Abstract] |
Contingent consideration, earnout period | 3 years

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- Definition Business combination, contingent consideration arrangements, earnout period. + References No definition available. + Details
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Namespace Prefix: | rlgt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
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Balance Type: | na
Period Type: | duration