0000930413-21-000765 | 10-K | XBRL Viewer | REX American Resources Corp

Document And Entity Information - USD ($)	12 Months Ended
Document And Entity Information - USD ($)	Jan. 31, 2021	Apr. 09, 2021	Jul. 31, 2020
Document Information Line Items
Entity Registrant Name	REX AMERICAN RESOURCES CORPORATION
Trading Symbol	REX
Document Type	10-K
Current Fiscal Year End Date	--01-31
Entity Common Stock, Shares Outstanding		5,992,002
Entity Public Float			$ 722,957
Amendment Flag	false
Entity Central Index Key	0000744187
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jan. 31, 2021
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	true
Document Annual Report	true
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, $.01 par value
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Document Transition Report	false

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

Jan. 31, 2021

Jan. 31, 2020

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

Forward purchase contracts asset

^[1]

Investment in cooperative

^[2]

Forward purchase contracts liability

^[3]

Commodity futures

^[4]

[1]	The forward purchase contracts asset is included in “Prepaid expenses and other” on the accompanying Consolidated Balance Sheets.
[2]	The investment in cooperative is included in “Other assets” on the accompanying Consolidated Balance Sheets.
[3]	The forward purchase contracts liability is included in “Accrued expenses and other current liabilities” on the accompanying Consolidated Balance Sheets.
[4]	The commodity futures liability is included in “Accrued expenses and other current liabilities” on the accompanying Consolidated Balance Sheets.

Label	Element	Value
NonCashInvestingActivitiesAccruedCapitalExpenditures	rex_NonCashInvestingActivitiesAccruedCapitalExpenditures	$ 390,000
NonCashInvestingActivitiesAccruedCapitalExpenditures	rex_NonCashInvestingActivitiesAccruedCapitalExpenditures	37,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	284,191,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	321,434,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	368,319,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	71,774,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	71,755,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	85,417,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	15,066,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	17,135,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	20,097,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	2,626,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	7,240,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	11,950,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	(1,167,000)
SalesRevenueBySegment	rex_SalesRevenueBySegment	174,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	136,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	102,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	372,664,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	417,700,000
SalesRevenueBySegment	rex_SalesRevenueBySegment	485,885,000
PresentValueDiscount	rex_PresentValueDiscount	994,000
PresentValueDiscount	rex_PresentValueDiscount	1,596,000
DeferredTaxLiabilitiesBasisInPassThroughEntitiesIncludingDepreciation	rex_DeferredTaxLiabilitiesBasisInPassThroughEntitiesIncludingDepreciation	20,076,000
DeferredTaxLiabilitiesBasisInPassThroughEntitiesIncludingDepreciation	rex_DeferredTaxLiabilitiesBasisInPassThroughEntitiesIncludingDepreciation	$ 23,823,000
NumberOfOperatingEntities	rex_NumberOfOperatingEntities	5
NumberOfOperatingEntities	rex_NumberOfOperatingEntities	4
NumberOfOperatingEntities	rex_NumberOfOperatingEntities	1
SalesOfProductsRefinedCoalSegment	rex_SalesOfProductsRefinedCoalSegment	$ 182,000
SalesOfProductsRefinedCoalSegment	rex_SalesOfProductsRefinedCoalSegment	334,000
SalesOfProductsRefinedCoalSegment	rex_SalesOfProductsRefinedCoalSegment	786,000
RelatedPartyAccruedExpensesAndOtherCurrentLiabilitiesRelatedParties	rex_RelatedPartyAccruedExpensesAndOtherCurrentLiabilitiesRelatedParties	100
RelatedPartyAccruedExpensesAndOtherCurrentLiabilitiesRelatedParties	rex_RelatedPartyAccruedExpensesAndOtherCurrentLiabilitiesRelatedParties	500
InterestIncomeFromInvestments	rex_InterestIncomeFromInvestments	216,000
InterestIncomeFromInvestments	rex_InterestIncomeFromInvestments	73,000
InterestIncomeFromInvestments	rex_InterestIncomeFromInvestments	$ 1,077,000
ConcentrationRiskNumberOfCustomers	rex_ConcentrationRiskNumberOfCustomers	7
ConcentrationRiskNumberOfCustomers	rex_ConcentrationRiskNumberOfCustomers	8
ConcentrationRiskNumberOfCustomers	rex_ConcentrationRiskNumberOfCustomers	6
NonCashFinancingActivitiesEquityAwardsAccrued	rex_NonCashFinancingActivitiesEquityAwardsAccrued	$ 99,000
NonCashFinancingActivitiesEquityAwardsAccrued	rex_NonCashFinancingActivitiesEquityAwardsAccrued	241,000
NonCashFinancingActivitiesEquityAwardsAccrued	rex_NonCashFinancingActivitiesEquityAwardsAccrued	487,000
GainOnDisposalOfRealEstateAndPropertyAndEquipment	rex_GainOnDisposalOfRealEstateAndPropertyAndEquipment	58,000
GainOnDisposalOfRealEstateAndPropertyAndEquipment	rex_GainOnDisposalOfRealEstateAndPropertyAndEquipment	(104,000)
OperatingLeaseRightOfUseAssetAmortization	rex_OperatingLeaseRightOfUseAssetAmortization	5,358,000
OperatingLeaseRightOfUseAssetAmortization	rex_OperatingLeaseRightOfUseAssetAmortization	6,304,000
IncreaseDecreaseInProvisionForIncomeTaxes	rex_IncreaseDecreaseInProvisionForIncomeTaxes	(8,340,000)
NonCashFinancingActivitiesEquityAwardsIssued	rex_NonCashFinancingActivitiesEquityAwardsIssued	241,000
NonCashFinancingActivitiesEquityAwardsIssued	rex_NonCashFinancingActivitiesEquityAwardsIssued	487,000
NonCashFinancingActivitiesEquityAwardsIssued	rex_NonCashFinancingActivitiesEquityAwardsIssued	$ 1,473,000
StockRepurchaseProgramNumberOfAdditionalSharesAuthorizedToBeRepurchased	rex_StockRepurchaseProgramNumberOfAdditionalSharesAuthorizedToBeRepurchased	34,000
ProportionateShareOfRestrictedNetAssets	rex_ProportionateShareOfRestrictedNetAssets	$ 15,500,000
InitialRightofuseAssetsAndLiabilities	rex_InitialRightofuseAssetsAndLiabilities	20,918,000
RefinedCoalMember
FeesIncurredBySubsidiary	rex_FeesIncurredBySubsidiary	2,500,000
FeesIncurredBySubsidiary	rex_FeesIncurredBySubsidiary	4,231,000
FeesIncurredBySubsidiary	rex_FeesIncurredBySubsidiary	9,927,000
OneEarthEnergyMember
InstallmentAmount	rex_InstallmentAmount	36,500
InstallmentAmount	rex_InstallmentAmount	$ 29,250
LeaseExpirationPeriod	rex_LeaseExpirationPeriod	10 years
LeaseExpirationPeriod	rex_LeaseExpirationPeriod	15 years
NumberOfInstallmentsPayable	rex_NumberOfInstallmentsPayable	120

EMPLOYEE BENEFITS (Details) - Schedule of Non-Vested Restricted Stock Award Activity pure in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)	Jan. 31, 2019 USD ($)
Schedule of Non-Vested Restricted Stock Award Activity [Abstract]
Weighted Average Grant Date Fair Value, Beginning of Period (in Dollars)	$ 2,193	$ 2,935	$ 2,275
Weighted Average Vesting Term, Beginning of Period	2	2	2
Weighted Average Grant Date Fair Value, Vested (in Dollars)	$ 1,211	$ 1,404	$ 963
Weighted Average Grant Date Fair Value, End of Period (in Dollars)	$ 1,398	$ 2,193	$ 2,935
Weighted Average Vesting Term, End of Period	1	2	2

INCOME TAXES (Details) - Schedule of Effective Income Tax Reconciliation - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Schedule of Effective Income Tax Reconciliation [Abstract]
Section 45 production tax credits	$ (5,187)	$ (9,002)	$ (21,144)
Tax Cuts and Jobs Act			272
Uncertain tax positions	$ 1,046	$ (1,435)	$ 6,872

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Cover Document And Entity Information Notes Details FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis EMPLOYEE BENEFITS (Details) - Schedule of Non-Vested Restricted Stock Award Activity INCOME TAXES (Details) - Schedule of Effective Income Tax Reconciliation Uncategorized Uncategorized Items - c101456_10k-ixbrl_htm.xml All Reports