0000930413-21-001146 | 10-Q | XBRL Viewer | REX American Resources Corp

Document And Entity Information - shares	3 Months Ended
Document And Entity Information - shares	Apr. 30, 2021	May 27, 2021
Document Information Line Items
Entity Registrant Name	REX AMERICAN RESOURCES CORPORATION
Trading Symbol	REX
Document Type	10-Q
Current Fiscal Year End Date	--01-31
Entity Common Stock, Shares Outstanding		5,992,000
Amendment Flag	false
Entity Central Index Key	0000744187
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Document Period End Date	Apr. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-09097
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	31-1095548
Entity Address, Address Line One	7720 Paragon Road
Entity Address, City or Town	Dayton
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	45459
City Area Code	937
Local Phone Number	276-3931
Title of 12(b) Security	Common stock, $0.01 par value
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes

Leases (Details) - Schedule of Future Minimum Rental Payments for Operating Leases - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Schedule of Future Minimum Rental Payments for Operating Leases [Abstract]
Less: present value discount	$ 833	$ 994

Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands

Apr. 30, 2021

Jan. 31, 2021

Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]

Investment in cooperative

^[1]

Forward purchase contracts

^[2]

[1]	The investment in cooperative is included in “Other assets” on the accompanying Consolidated Condensed Balance Sheets.
[2]	The forward purchase contracts asset is included in “Prepaid expenses and other current assets” on the accompanying Consolidated Condensed Balance Sheets.

Employee Benefits (Details) - Schedule of Non-Vested Restricted Stock Award Activity - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Schedule of Non-Vested Restricted Stock Award Activity [Abstract]
Weighted Average Grant Date Fair Value, Beginning of Period	$ 1,398	$ 2,193
Weighted Average Grant Date Fair Value, End of Period	$ 1,398	$ 2,193
Weighted Average Vesting Term, End of Period	1 year	1 year

Income Taxes (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021	Apr. 30, 2020
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]
Unrecognized tax benefits, beginning of period	$ 8,400	$ 7,371	$ 7,370
Unrecognized tax benefits, end of period	$ 8,543	$ 8,400	$ 7,371

Label	Element	Value
FairValueAssetsMeasuredOnNonrecurringBasisChangeInUnrealizedGainLoss	rex_FairValueAssetsMeasuredOnNonrecurringBasisChangeInUnrealizedGainLoss	$ 0
FairValueAssetsMeasuredOnNonrecurringBasisChangeInUnrealizedGainLoss	rex_FairValueAssetsMeasuredOnNonrecurringBasisChangeInUnrealizedGainLoss	0
Amortization of operating lease right-of-use assets	rex_OperatingLeaseRightOfUseAssetAmortization	1,389,000
Amortization of operating lease right-of-use assets	rex_OperatingLeaseRightOfUseAssetAmortization	1,347,000
AccruedExpensesRelatedParties	rex_AccruedExpensesRelatedParties	100,000
AccruedExpensesRelatedParties	rex_AccruedExpensesRelatedParties	100,000
NonCashInvestingActivitiesAccruedCapitalExpenditures	rex_NonCashInvestingActivitiesAccruedCapitalExpenditures	280,000
NonCashInvestingActivitiesAccruedCapitalExpenditures	rex_NonCashInvestingActivitiesAccruedCapitalExpenditures	457,000
NonCashFinancingActivitiesEquityAwardsAccrued	rex_NonCashFinancingActivitiesEquityAwardsAccrued	348,000
OutboundFreightCharges	rex_OutboundFreightCharges	5,596,000
OutboundFreightCharges	rex_OutboundFreightCharges	1,323,000
GainOnDisposalOfRealEstateAndPropertyAndEquipment	rex_GainOnDisposalOfRealEstateAndPropertyAndEquipment	3,000
GainOnDisposalOfRealEstateAndPropertyAndEquipment	rex_GainOnDisposalOfRealEstateAndPropertyAndEquipment	3,000
GainLossOnDerivativeInstrumentsNetSalesAndRevenue	rex_GainLossOnDerivativeInstrumentsNetSalesAndRevenue	1,126,000
GainLossOnDerivativeInstrumentsNetSalesAndRevenue	rex_GainLossOnDerivativeInstrumentsNetSalesAndRevenue	$ 0
NumberOfConsolidatedSubsidiaries	rex_NumberOfConsolidatedSubsidiaries	4
RefinedCoalMember
FeesIncurredBySubsidiary	rex_FeesIncurredBySubsidiary	$ 900,000
FeesIncurredBySubsidiary	rex_FeesIncurredBySubsidiary	$ 300,000