XML 48 R39.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($) $ in Thousands | Jul. 31, 2021 | Jan. 31, 2021
--- | --- | ---
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Investment in cooperative | [1] | $ 354 | $ 354
Commodity futures asset | [2] | 784 |
Forward purchase contracts asset (liabilities) | [2] | 673 | 2,144
Total assets |  | 1,811 | 2,498
Commodity futures liability | [3] | 4,590 | 1,794
Fair Value, Inputs, Level 1 [Member] |  |  |
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Investment in cooperative | [1] |  |
Commodity futures asset | [2] |  |
Forward purchase contracts asset (liabilities) | [2] |  |
Commodity futures liability | [3] |  |
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Investment in cooperative | [1] |  |
Commodity futures asset | [2] | 784 |
Forward purchase contracts asset (liabilities) | [2] | 673 | 2,144
Total assets |  | 1,457 | 2,144
Commodity futures liability | [3] | 4,590 | 1,794
Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |  |
Investment in cooperative | [1] | 354 | 354
Commodity futures asset | [2] |  |
Forward purchase contracts asset (liabilities) | [2] |  |
Total assets |  | 354 | 354
Commodity futures liability | [3] |  |
[1] | The investment in cooperative is included in “Other assets” on the accompanying Consolidated Condensed Balance Sheets.
[2] | The forward purchase contracts and commodity futures assets are included in “Prepaid expenses and other current assets” on the accompanying Consolidated Condensed Balance Sheets.
[3] | The commodity futures liability is included in “Accrued expenses and other current liabilities” on the accompanying Consolidated Condensed Balance Sheets.

X
- References No definition available. + Details
Name: | rex_FairValueDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems
Namespace Prefix: | rex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | rex_ForwardPurchaseContractAsset
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in cooperative as of the reporting date. + References No definition available. + Details
Name: | rex_InvestmentInCooperativeFairValueDisclosure
Namespace Prefix: | rex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommodityContractAssetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value as of the balance sheet date of firm holdings in all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments. Their value is derived from the values of one or more underlying assets, reference rates, or indices of asset values. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph c -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_FinancialInstrumentsOwnedDerivativesAndOtherContractualAgreementsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |