XML 14 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments (Details) - Schedule of Income Loss Recognized From Equity Method Investment (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013
Investments (Details) - Schedule of Income Loss Recognized From Equity Method Investment [Line Items] |  |  |  |
Income(Loss) From Equity Method Investments | $ 8,780 | $ 3,331 | $ 24,322 | $ 9,558
Big River [Member] |  |  |  |
Investments (Details) - Schedule of Income Loss Recognized From Equity Method Investment [Line Items] |  |  |  |
Income(Loss) From Equity Method Investments | 4,574 | 1,576 | 14,353 | 4,312
Patriot [Member] |  |  |  |
Investments (Details) - Schedule of Income Loss Recognized From Equity Method Investment [Line Items] |  |  |  |
Income(Loss) From Equity Method Investments | $ 4,206 | $ 1,755 | $ 9,969 | $ 5,246

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

X
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration