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Leases - Additional Information (Detail)	3 Months Ended
	Sep. 30, 2025
Leases [Abstract]
Lease term expiration month and year	2034-10

X

- Definition

Operating and financing lease expiration date.

+ References

No definition available.

+ Details

Name:	rlgt_OperatingAndFinancingLeaseExpirationMonthAndYear
Namespace Prefix:	rlgt_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration