XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.23.3

Note 9 - Leases (Details Textual) | 9 Months Ended
--- | ---
Sep. 30, 2023
Minimum [Member] |
Lessor, Leases, Term of Contract | 1 year
Maximum [Member] |
Lessor, Leases, Term of Contract | 10 years

X
- Definition Term of lessor's leases, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | rusha_LessorLeasesTermOfContract
Namespace Prefix: | rusha_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |