$MP
MP Materials Corp. / DE Stock $mp

$mp Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000180136821000046 Filed on November 10, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$99.11M	$99.75M	$41.02M
YoY Change	-26.2%	143.17%
Cost Of Revenue	$18.46M	$21.91M
YoY Change	-72.12%
Gross Profit	$80.65M	$77.85M
YoY Change	18.43%
Gross Profit Margin	81.38%	78.04%
Selling, General & Admin	$15.88M	$13.70M	$3.100M
YoY Change	-33.0%	341.9%
% of Gross Profit	19.69%	17.6%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$4.615M	$6.951M	$2.179M
YoY Change	-33.41%	219.0%
% of Gross Profit	5.72%	8.93%
Operating Expenses	$23.23M	$22.57M	$3.100M
YoY Change	-29.19%	628.13%
Operating Profit	$57.43M	$54.09M	$16.15M
YoY Change	62.69%	234.86%
Interest Expense	-$2.487M	$2.624M	$1.713M
YoY Change	-51.24%	53.18%
% of Operating Profit	-4.33%	4.85%	10.6%
Other Income/Expense, Net	$98.00K	$97.00K	$61.00K
YoY Change	-67.33%	59.02%
Pretax Income	$54.69M	$51.57M	$14.50M
YoY Change	-251.49%	255.58%
Income Tax	$5.700M	$8.803M	-$125.0K
% Of Pretax Income	10.42%	17.07%	-0.86%
Net Earnings	$48.99M	$42.76M	$14.63M
YoY Change	-366.24%	192.36%
Net Earnings / Revenue	49.43%	42.87%	35.66%
Basic Earnings Per Share		$0.24	$0.20
Diluted Earnings Per Share	$253.2K	$0.23	$0.20
COMMON SHARES
Basic Shares Outstanding	177.7M shares	176.1M shares	71.94M shares
Diluted Shares Outstanding		193.2M shares	71.94M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.179B	$1.179B	$900.0K
YoY Change	126.92%	130941.22%
Cash & Equivalents	$1.179B	$1.179B	$30.24M
Short-Term Investments	$0.00
Other Short-Term Assets	$7.809M	$4.954M	$300.0K
YoY Change	41.98%	1551.33%
Inventory	$38.69M	$34.13M
Prepaid Expenses			$334.5K
Receivables	$51.01M	$37.10M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$1.277B	$1.256B	$1.243M
YoY Change	127.58%	100869.04%
LONG-TERM ASSETS
Property, Plant & Equipment	$610.6M	$582.8M
YoY Change	21.64%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments			$345.1M
YoY Change
Other Assets	$2.247M	$1.099M
YoY Change	97.28%
Total Long-Term Assets	$612.9M	$593.9M	$345.1M
YoY Change	19.41%	72.11%
TOTAL ASSETS
Total Short-Term Assets	$1.277B	$1.256B	$1.243M
Total Long-Term Assets	$612.9M	$593.9M	$345.1M
Total Assets	$1.890B	$1.849B	$346.3M
YoY Change	75.9%	434.04%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$35.73M	$27.84M	$3.400M
YoY Change	120.58%	718.88%
Accrued Expenses	$357.0K	$344.0K	$100.0K
YoY Change		244.0%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$0.00
YoY Change	-100.0%
Total Short-Term Liabilities	$59.54M	$70.77M	$3.533M
YoY Change	38.28%	1902.88%
LONG-TERM LIABILITIES
Long-Term Debt	$674.9M	$674.1M	$0.00
YoY Change	70131.74%
Other Long-Term Liabilities	$7.751M	$7.918M	$12.10M
YoY Change	376.11%	-34.56%
Total Long-Term Liabilities	$821.4M	$824.5M	$12.10M
YoY Change	363.15%	6713.98%
TOTAL LIABILITIES
Total Short-Term Liabilities	$59.54M	$70.77M	$3.533M
Total Long-Term Liabilities	$821.4M	$824.5M	$12.10M
Total Liabilities	$880.9M	$895.3M	$15.61M
YoY Change	299.68%	5635.8%
SHAREHOLDERS EQUITY
Retained Earnings	$72.42M	$23.43M	-$3.389M
YoY Change	-215.64%	-791.26%
Common Stock	$18.00K	$18.00K
YoY Change	5.88%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.009B	$954.2M	-$10.12M
YoY Change
Total Liabilities & Shareholders Equity	$1.890B	$1.849B	$346.3M
YoY Change	75.9%	434.04%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$48.99M	$42.76M	$14.63M
YoY Change	-366.24%	192.36%
Depreciation, Depletion And Amortization	$4.615M	$6.951M	$2.179M
YoY Change	-33.41%	219.0%
Cash From Operating Activities	$31.51M	$22.49M	-$480.0K
YoY Change	659.2%	-4786.46%
INVESTING ACTIVITIES
Capital Expenditures	-$37.45M	-$41.73M
YoY Change	67.41%
Acquisitions
YoY Change
Other Investing Activities	$1.767M	$2.615M	$0.00
YoY Change	-99.49%
Cash From Investing Activities	-$35.68M	-$39.11M	$0.00
YoY Change	-111.06%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.501M	-880.0K	-40.00K
YoY Change	-102.0%	2100.0%
NET CHANGE
Cash From Operating Activities	31.51M	22.49M	-480.0K
Cash From Investing Activities	-35.68M	-39.11M	0.000
Cash From Financing Activities	-3.501M	-880.0K	-40.00K
Net Change In Cash	-7.677M	-17.50M	-520.0K
YoY Change	-101.53%	3265.19%
FREE CASH FLOW
Cash From Operating Activities	$31.51M	$22.49M	-$480.0K
Capital Expenditures	-$37.45M	-$41.73M
Free Cash Flow	$68.96M	$64.22M
YoY Change	160.02%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	MP Materials Corp. / DE
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Central Index Key EntityCentralIndexKey	0001801368
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-39277
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	84-4465489
	dei	Entity Address Address Line1 EntityAddressAddressLine1	6720 Via Austi Parkway, Suite 450
	dei	Entity Address City Or Town EntityAddressCityOrTown	Las Vegas
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NV
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	89119
	dei	City Area Code CityAreaCode	702
	dei	Local Phone Number LocalPhoneNumber	844-6111
	dei	Security12b Title Security12bTitle	Common Stock, par value of $0.0001 per share
	dei	Trading Symbol TradingSymbol	MP
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	105506000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-45728000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8803000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-125000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19458000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	211000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	42763000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	14627000	USD
	us-gaap	Net Income Loss NetIncomeLoss	86048000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-45939000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.67
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.67
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176053586	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71941538	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	172577303	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	68875874	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193215313	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71941538	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188639373	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68875874	shares
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	906625000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4552000	USD
CY2021Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	36000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	42763000	USD
CY2021Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-291000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	954195000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	-24742000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	14627000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	-10115000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	853877000	USD
	mp	Stock Issued During Period Value Warrants Exercised StockIssuedDuringPeriodValueWarrantsExercised	-1000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14723000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	563000	USD
	us-gaap	Net Income Loss NetIncomeLoss	86048000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-111000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	954195000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-18022000	USD
	mp	Stock Issued During Period Value Warrants StockIssuedDuringPeriodValueWarrants	53846000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-45939000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	-10115000	USD
	us-gaap	Net Income Loss NetIncomeLoss	86048000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-45939000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19767000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4832000	USD
	us-gaap	Accretion Expense Including Asset Retirement Obligations AccretionExpenseIncludingAssetRetirementObligations	1780000	USD
	us-gaap	Accretion Expense Including Asset Retirement Obligations AccretionExpenseIncludingAssetRetirementObligations	1691000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3401000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-219000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	14723000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	0	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5388000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1866000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	1809000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-66615000	USD
	mp	Contract With Customer Liability Related Parties Revenue Recognized For Debt Principal Reduction ContractWithCustomerLiabilityRelatedPartiesRevenueRecognizedForDebtPrincipalReduction	38858000	USD
	mp	Contract With Customer Liability Related Parties Revenue Recognized For Debt Principal Reduction ContractWithCustomerLiabilityRelatedPartiesRevenueRecognizedForDebtPrincipalReduction	14741000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-11262000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	0	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	33506000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3204000	USD
	mp	Increase Decrease In Contract With Customer Liability Related Parties IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties	1933000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3663000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	7992000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2352000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1204000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4304000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-2874000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	8097000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
	mp	Increase Decrease In Contract With Customer Liability Related Parties Refund Liability IncreaseDecreaseInContractWithCustomerLiabilityRelatedPartiesRefundLiability	0	USD
	mp	Increase Decrease In Contract With Customer Liability Related Parties Refund Liability IncreaseDecreaseInContractWithCustomerLiabilityRelatedPartiesRefundLiability	-2746000	USD
	mp	Increase Decrease In Contract With Customer Liability Related Parties IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties	0	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1153000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1445000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70464000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-318000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	86420000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9695000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	125000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	2615000	USD
	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-83680000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9695000	USD
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	690000000	USD
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	3364000	USD
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	35450000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	1707000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	1049000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	17749000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1579000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-934000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	669610000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	36186000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	656394000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	26173000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532440000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29572000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1188834000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55745000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1179371000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30244000	USD
CY2021Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	339000	USD
CY2020Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	96000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	9124000	USD
CY2020Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25405000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1188834000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55745000	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	As of September 30, 2021, Shenghe accounted for more than 90% of product sales. Shenghe, a related party of the Company, has entered into an arrangement to purchase substantially all of the Company’s production, and has previously purchased portions of the Company’s stockpile inventory. While as with any contract there is risk of nonperformance, we do not believe that it is reasonably possible that Shenghe would terminate the agreement as it would significantly delay Shenghe’s recovery of non-interest-bearing advance payments that are recognized by the Company as debt. As discussed in <span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#i92e5f9547ed34fb180833d3e12741ddf_55" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Note 8, “Debt Obligations,”</a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> based on current forecasts, the Company expects to repay the obligation within the next year. See </span><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#i92e5f9547ed34fb180833d3e12741ddf_40" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Note 3, “Relationship and Agreements with Shenghe,”</a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> for additional information.</span><div style="margin-bottom:10pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Furthermore, while revenue is generated in the United States, our principal customer is located in China and may transport and sell products in the Chinese market; therefore, the Company’s gross profit is affected by Shenghe’s ultimate realized prices in China. In addition, there is an ongoing economic conflict between China and the United States that has resulted in tariffs and trade barriers that may negatively affect the Company’s business and results of operations.</span></div><div style="margin-bottom:10pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In December 2019, a novel strain of coronavirus (known as “COVID-19”) began to impact the population of China, where our principal customer is located. The outbreak of COVID-19 has grown both in the United States and globally, and related government and private sector responsive actions have adversely affected the global economy, including significant business and supply chain disruption as well as broad-based changes in supply and demand. In December 2019, a series of emergency quarantine measures taken by the Chinese government disrupted domestic business activities in China during the weeks after the initial outbreak of COVID-19. These disruptions have occurred periodically since the start of COVID-19 outbreak as measures intended to impede the spread of the virus have adapted. Since the initial COVID-19 outbreak, many countries, including the United States, have imposed restrictions on travel to and from China and elsewhere, as well as general movement restrictions, business closures and other measures imposed to slow the spread of COVID-19.</span></div><div style="margin-bottom:10pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">At the onset of the outbreak in the first quarter of 2020, we initially experienced shipping delays due to overseas port slowdowns and container shortages, but we did not experience a reduction in production or sales. However, beginning in the fourth quarter of 2020 and continuing through the third quarter of 2021, we again saw shipping delays and container shortages from congestion at port facilities and trucking shortages, which has been exacerbated by COVID-19 and resulting supply chain disruptions. Congestion at U.S. and international ports could affect the capacity at ports to receive deliveries of products or the loading of shipments onto vessels.</span></div><div style="margin-bottom:10pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">As the situation continues to develop, including as a result of new variants of COVID-19 (such as the Delta variant), it is impossible to predict the effect and ultimate impact of the COVID-19 pandemic on the Company’s business and results of operations. While the quarantine, social distancing and other regulatory measures instituted or recommended in response to COVID-19 are expected to be temporary, the duration of the business disruptions, and related financial impact, cannot be estimated at this time.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	The preparation of the unaudited Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect (i) the reported amounts of assets and liabilities, (ii) the disclosure of contingent assets and liabilities at the date of the unaudited Condensed Consolidated Financial Statements, and (iii) the reported amounts of revenues and expenses during the reporting period. Accordingly, actual results may differ from those estimates.
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts in prior periods have been reclassified to conform to the current year presentation.
CY2020Q2	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-66600000	USD
CY2020Q4	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	0	USD
CY2019Q4	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	35543000	USD
	mp	Contract With Customer Liability Related Parties Deferred Revenue Additions ContractWithCustomerLiabilityRelatedPartiesDeferredRevenueAdditions	0	USD
	mp	Contract With Customer Liability Related Parties Deferred Revenue Additions ContractWithCustomerLiabilityRelatedPartiesDeferredRevenueAdditions	11050000	USD
	mp	Contract With Customer Liability Related Parties Revenue Recognized ContractWithCustomerLiabilityRelatedPartiesRevenueRecognized	0	USD
	mp	Contract With Customer Liability Related Parties Revenue Recognized ContractWithCustomerLiabilityRelatedPartiesRevenueRecognized	9117000	USD
	mp	Contract With Customer Liability Related Parties Derecognition From Contract Modification ContractWithCustomerLiabilityRelatedPartiesDerecognitionFromContractModification	0	USD
	mp	Contract With Customer Liability Related Parties Derecognition From Contract Modification ContractWithCustomerLiabilityRelatedPartiesDerecognitionFromContractModification	37476000	USD
CY2021Q3	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	0	USD
CY2020Q3	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	0	USD
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CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	9124000	USD
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CY2021Q3	us-gaap	Restricted Cash RestrictedCash	9463000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	12788000	USD
CY2021Q3	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	9068000	USD
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	5124000	USD
CY2021Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	23992000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	24524000	USD
CY2021Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1066000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	2624000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	34126000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	32272000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	617232000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	516866000	USD
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	34394000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	14892000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	582838000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	501974000	USD
	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	93800000	USD
	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	12300000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	200000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2020Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9400000	USD
CY2020Q4	mp	Technology Investment Agreement Stage Ii Optimization Contribution TechnologyInvestmentAgreementStageIIOptimizationContribution	9600000	USD
CY2021Q3	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	2600000	USD
CY2021Q3	mp	Technology Investment Agreement Stage Ii Optimization Contribution TechnologyInvestmentAgreementStageIIOptimizationContribution	7000000	USD
CY2021Q3	us-gaap	Depreciation Depreciation	2109000	USD
CY2020Q3	us-gaap	Depreciation Depreciation	1277000	USD
	us-gaap	Depreciation Depreciation	5528000	USD
	us-gaap	Depreciation Depreciation	3711000	USD
CY2021Q3	us-gaap	Depletion Depletion	4754000	USD
CY2020Q3	us-gaap	Depletion Depletion	29000	USD
	us-gaap	Depletion Depletion	13971000	USD
	us-gaap	Depletion Depletion	86000	USD
CY2021Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	15950000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	0	USD
CY2021Q3	us-gaap	Long Term Debt LongTermDebt	674050000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	3364000	USD
CY2021Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2403000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	674050000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	421000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1090000	USD
CY2021Q3	mp	Asset Retirement Obligations Estimated Undiscounted Cash Flows To Satisfy Obligation AssetRetirementObligationsEstimatedUndiscountedCashFlowsToSatisfyObligation	142300000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	961000	USD
CY2021Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	2660000	USD
CY2020Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	1713000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	6620000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	3582000	USD
CY2021Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	36000	USD
CY2020Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	203000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	2624000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	1713000	USD
	us-gaap	Interest Expense InterestExpense	6417000	USD
	us-gaap	Interest Expense InterestExpense	3582000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	344000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	761000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	97000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	357000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	441000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1118000	USD
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	847000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1028000	USD
CY2021Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	254000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	266000	USD
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	625000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	736000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	879000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	1002000	USD
CY2021Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	100000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	100000	USD
CY2020Q4	mp	Asset Retirement Obligations Estimated Undiscounted Cash Flows To Satisfy Obligation AssetRetirementObligationsEstimatedUndiscountedCashFlowsToSatisfyObligation	142300000	USD
CY2021Q3	mp	Asset Retirement Obligation Closure And Reclamation Obligations Financial Assurances AssetRetirementObligationClosureAndReclamationObligationsFinancialAssurances	38700000	USD
CY2020Q4	mp	Asset Retirement Obligation Closure And Reclamation Obligations Financial Assurances AssetRetirementObligationClosureAndReclamationObligationsFinancialAssurances	38400000	USD
	mp	Accrual For Environmental Loss Contingencies Remediation Term AccrualForEnvironmentalLossContingenciesRemediationTerm	P26Y
CY2021Q3	us-gaap	Accrual For Environmental Loss Contingencies Discount Rate AccrualForEnvironmentalLossContingenciesDiscountRate	0.0293
CY2021Q3	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	27800000	USD
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	28200000	USD
CY2021Q3	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	500000	USD
CY2020Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	500000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.171
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.184
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.009
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.005
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021Q3	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-1000000	USD
	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-1000000	USD
CY2020Q4	mp	Capital Stock Authorized CapitalStockAuthorized	221000000	shares
CY2020Q4	mp	Capital Stock Authorized CapitalStockAuthorized	500000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4500000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14700000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	0	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	0	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176053586	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71941538	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	172577303	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	68875874	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	3787498	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	15584409	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	10789206	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193215313	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71941538	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188639373	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68875874	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	42763000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	14627000	USD
	us-gaap	Net Income Loss NetIncomeLoss	86048000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-45939000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176053586	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71941538	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	172577303	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	68875874	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.67
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	42763000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	14627000	USD
	us-gaap	Net Income Loss NetIncomeLoss	86048000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-45939000	USD
CY2021Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1084000	USD
CY2020Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2190000	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	43847000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	14627000	USD
	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	88238000	USD
	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	-45939000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193215313	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71941538	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	188639373	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68875874	shares
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.67
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.171
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.184
	us-gaap	Interest Paid Net InterestPaidNet	1116000	USD
	us-gaap	Interest Paid Net InterestPaidNet	433000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0	USD
	mp	Capital Expenditures Acquired On Seller Financed Equipment Notes CapitalExpendituresAcquiredOnSellerFinancedEquipmentNotes	9407000	USD
	mp	Capital Expenditures Acquired On Seller Financed Equipment Notes CapitalExpendituresAcquiredOnSellerFinancedEquipmentNotes	1216000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7416000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2613000	USD
	mp	Transaction Costs Incurred But Not Yet Paid TransactionCostsIncurredButNotYetPaid	0	USD
	mp	Transaction Costs Incurred But Not Yet Paid TransactionCostsIncurredButNotYetPaid	4889000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	87000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
	mp	Notes Reduction Due To Revenue Recognized In Exchange NotesReductionDueToRevenueRecognizedInExchange	38858000	USD
	mp	Notes Reduction Due To Revenue Recognized In Exchange NotesReductionDueToRevenueRecognizedInExchange	14741000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3401000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD

Files In Submission

Name	View Source	Status
0001801368-21-000046-index-headers.html	Edgar Link	pending
0001801368-21-000046-index.html	Edgar Link	pending
0001801368-21-000046.txt	Edgar Link	pending
0001801368-21-000046-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mp-20210930.htm	Edgar Link	pending
mp-20210930.xsd	Edgar Link	pending
mp-20210930_cal.xml	Edgar Link	unprocessable
mp-20210930_def.xml	Edgar Link	unprocessable
mp-20210930_g1.jpg	Edgar Link	pending
mp-20210930_htm.xml	Edgar Link	completed
mp-20210930_lab.xml	Edgar Link	unprocessable
mp-20210930_pre.xml	Edgar Link	unprocessable
mpmcexhibit10193021.htm	Edgar Link	pending
mpmcexhibit31193021.htm	Edgar Link	pending
mpmcexhibit31293021.htm	Edgar Link	pending
mpmcexhibit32193021.htm	Edgar Link	pending
mpmcexhibit32293021.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$MP
MP Materials Corp. / DE Stock $mp

2021 Q4 Form 10-Q Financial Statement

#000180136821000046 Filed on November 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MP MP Materials Corp. / DE Stock $mp

2021 Q4 Form 10-Q Financial Statement

#000180136821000046 Filed on November 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MP
MP Materials Corp. / DE Stock $mp