XML 59 R46.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Derivative Financial Instruments (Details)	3 Months Ended		6 Months Ended
	Jul. 31, 2024 USD ($) bu gal	Jul. 31, 2023 USD ($)	Jul. 31, 2024 USD ($) bu gal	Jul. 31, 2023 USD ($)	Jan. 31, 2024 USD ($) bu gal
Derivative Financial Instruments (Details) [Line Items]
Prepaid Expense and Other Assets | $	$ 300,000		$ 300,000		$ 2,200,000
Assets [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Forward Purchase Contracts Quantity | bu	900,000		900,000		9,300,000
Liabilities, Total [Member]
Derivative Financial Instruments (Details) [Line Items]
Forward Purchase Contracts Quantity | bu	14,100,000		14,100,000		8,200,000
Liabilities, Total [Member] | Corn [Member] | Short [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures Quantity | bu	2,000,000		2,000,000		255,000
Liabilities, Total [Member] | Corn [Member] | Long [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures Quantity | bu	2,100,000		2,100,000		6,900,000
Liabilities, Total [Member] | Ethanol [Member] | Short [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures Quantity | gal	1.5		1.5		210,000
Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax | $	$ 6.2	$ 800,000
Derivative, Gain (Loss) on Derivative, Net | $			$ (6.1)	$ 5,000,000
Ethanol [Member]
Derivative Financial Instruments (Details) [Line Items]
Gain (Loss) on Sale of Derivatives | $	$ 400,000		$ 400,000

X

- References

No definition available.

+ Details

Name:	rex_CommodityFuturesQuantity
Namespace Prefix:	rex_
Data Type:	dtr:volumeItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	rex_DerivativeFinancialInstrumentsDetailsLineItems
Namespace Prefix:	rex_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	rex_ForwardPurchaseContractsQuantity
Namespace Prefix:	rex_
Data Type:	dtr:volumeItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(h))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7)(a)(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7)(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7)(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7)(a)(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

Name:	us-gaap_GainLossOnSaleOfDerivatives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_PrepaidExpenseAndOtherAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_AssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TradingActivityByTypeAxis=rex_CornMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_LiabilitiesTotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ContractWithCustomerDurationAxis=us-gaap_ShortMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ContractWithCustomerDurationAxis=us-gaap_LongMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TradingActivityByTypeAxis=rex_EthanolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=rex_CornMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=rex_EthanolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: