XML 47 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.8

OTHER ASSETS (Details) - Deferred Finance Cost Amortization Expense (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 31, 2014
Deferred Finance Cost Amortization Expense [Abstract] |
2015 | $ 188
2016 | 123
2017 | 44
2018 | 28
2019 | 15
Thereafter | 4
Total | $ 402

X
- Details
Name: | rex_DeferredFinanceCostAmortizationExpenseAbstract
Namespace Prefix: | rex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseAfterYearFive
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseInYearFive
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred finance cost amortization expense in year four. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseInYearFour
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred finance cost amortization expense in year one. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseInYearOne
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred finance cost amortization expense in year three. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseInYearThree
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred finance cost amortization expense in year two. + References No definition available. + Details
Name: | rex_DeferredFinanceCostAmortizationExpenseInYearTwo
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
Name: | us-gaap_AmortizationOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration