XML 97 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements	12 Months Ended
	Dec. 31, 2014
Peterbilt [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	August 2015 through May 2017
International [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	March 2016 through May 2020
Isuzu [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	Indefinite
Hino [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	Indefinite
Ford [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	Indefinite
Blue Bird [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	August 2016
IC Bus [Member]
Note 3 - Supplier and Customer Concentration (Details) - Major Suppliers and Dealership Agreements [Line Items]
Expiration Dates, by Distributor	May 2015 through December 2017

X

- Definition

Represents the dealership agreement expiration dates by distributor.

+ References

No definition available.

+ Details

Name:	rusha_DealershipAgreementExpirationDatesByDistributor
Namespace Prefix:	rusha_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	rusha_Note3SupplierandCustomerConcentrationDetailsMajorSuppliersandDealershipAgreementsLineItems
Namespace Prefix:	rusha_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_BlueBirdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_FordMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_HinoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_ICBusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_InternationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_IsuzuMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=rusha_PeterbiltMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: