$MP
MP Materials Corp. / DE Stock $mp

$mp Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000180136823000009 Filed on February 28, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$95.70M	$93.25M	$527.5M
YoY Change	-42.44%	-5.92%	58.91%
Cost Of Revenue	$24.22M	$24.54M	$90.29M
YoY Change	4.5%	32.95%	21.5%
Gross Profit	$71.48M	$68.71M	$437.2M
YoY Change	-50.04%	-14.81%	69.7%
Gross Profit Margin	74.7%	73.69%	82.88%
Selling, General & Admin	$19.40M	$19.32M	$75.84M
YoY Change	-5.65%	21.64%	31.69%
% of Gross Profit	27.14%	28.11%	17.35%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.122M	$5.593M	$18.36M
YoY Change	54.41%	21.19%	-24.71%
% of Gross Profit	11.36%	8.14%	4.2%
Operating Expenses	$19.40M	$30.72M	$75.84M
YoY Change	-5.65%	32.26%	-14.71%
Operating Profit	$32.96M	$37.99M	$327.4M
YoY Change	-71.34%	-33.85%	98.02%
Interest Expense	-$1.359M	-$1.331M	$5.786M
YoY Change	-28.66%	-46.48%	-35.02%
% of Operating Profit	-4.12%	-3.5%	1.77%
Other Income/Expense, Net	$13.69M	$10.95M	$19.53M
YoY Change	6958.25%	11076.53%	420.17%
Pretax Income	$45.30M	$47.09M	$341.2M
YoY Change	-60.03%	-13.9%	112.96%
Income Tax	$7.849M	-$19.92M	$52.15M
% Of Pretax Income	17.33%	-42.3%	15.29%
Net Earnings	$37.45M	$67.01M	$289.0M
YoY Change	-56.23%	36.78%	114.02%
Net Earnings / Revenue	39.13%	71.86%	54.79%
Basic Earnings Per Share	$0.21		$1.64
Diluted Earnings Per Share	$0.20	$0.35	$1.52
COMMON SHARES
Basic Shares Outstanding	177.6M shares	177.5M shares	176.5M shares
Diluted Shares Outstanding	193.6M shares		193.5M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.169B	$1.182B	$1.182B
YoY Change	-5.21%	0.26%	0.26%
Cash & Equivalents	$651.2M	$136.6M	$129.3M
Short-Term Investments	$517.8M	$1.046B	$1.046B
Other Short-Term Assets	$13.57M	$18.87M	$18.87M
YoY Change	110.42%	141.67%	141.67%
Inventory	$61.80M	$57.55M	$57.55M
Prepaid Expenses
Receivables	$21.25M	$32.86M	$32.86M
Other Receivables	$1.727M	$2.201M	$2.201M
Total Short-Term Assets	$1.267B	$1.294B	$1.294B
YoY Change	-3.73%	1.33%	1.33%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.002B	$935.7M	$935.7M
YoY Change	49.93%	53.25%	52.97%
Goodwill
YoY Change
Intangibles		$89.00K
YoY Change
Long-Term Investments		$0.00
YoY Change
Other Assets	$4.630M	$2.472M	$8.216M
YoY Change	105.87%	10.01%	615.06%
Total Long-Term Assets	$1.014B	$944.0M	$944.0M
YoY Change	51.13%	54.03%	54.03%
TOTAL ASSETS
Total Short-Term Assets	$1.267B	$1.294B	$1.294B
Total Long-Term Assets	$1.014B	$944.0M	$944.0M
Total Assets	$2.281B	$2.238B	$2.238B
YoY Change	14.79%	18.42%	18.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$68.57M	$72.27M	$72.27M
YoY Change	64.63%	102.23%	102.23%
Accrued Expenses		$56.94M
YoY Change		15849.3%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.327M	$0.00	$0.00
YoY Change			-100.0%
Total Short-Term Liabilities	$93.87M	$97.48M	$97.48M
YoY Change	82.01%	63.72%	63.72%
LONG-TERM LIABILITIES
Long-Term Debt	$679.3M	$678.4M	$678.4M
YoY Change	0.52%	0.52%	0.44%
Other Long-Term Liabilities	$4.464M	$5.000M	$26.88M
YoY Change	-36.26%	-35.49%	-35.1%
Total Long-Term Liabilities	$835.4M	$827.7M	$705.3M
YoY Change	-1.16%	0.76%	-1.61%
TOTAL LIABILITIES
Total Short-Term Liabilities	$93.87M	$97.48M	$97.48M
Total Long-Term Liabilities	$835.4M	$827.7M	$705.3M
Total Liabilities	$929.3M	$925.2M	$925.2M
YoY Change	3.62%	5.02%	5.02%
SHAREHOLDERS EQUITY
Retained Earnings	$398.9M	$361.4M
YoY Change	152.5%	399.09%
Common Stock	$17.00K	$18.00K
YoY Change	-5.56%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.352B	$1.313B	$1.313B
YoY Change
Total Liabilities & Shareholders Equity	$2.281B	$2.238B	$2.238B
YoY Change	14.79%	18.42%	18.42%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$37.45M	$67.01M	$289.0M
YoY Change	-56.23%	36.78%	114.02%
Depreciation, Depletion And Amortization	$8.122M	$5.593M	$18.36M
YoY Change	54.41%	21.19%	-24.71%
Cash From Operating Activities	$55.49M	$29.10M	$343.5M
YoY Change	-54.13%	-7.66%	236.87%
INVESTING ACTIVITIES
Capital Expenditures	$74.46M	$112.3M	$326.6M
YoY Change	35.55%	-399.77%	163.66%
Acquisitions
YoY Change
Other Investing Activities	$536.7M	-$203.0M	-$1.030B
YoY Change	10361.01%	-11587.32%	-22961.68%
Cash From Investing Activities	$462.2M	-$315.2M	-$1.357B
YoY Change	-1028.05%	783.46%	1036.84%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$6.822M	-4.756M	-$24.19M
YoY Change	-61.91%	35.85%	-103.63%
NET CHANGE
Cash From Operating Activities	$55.49M	29.10M	$343.5M
Cash From Investing Activities	$462.2M	-315.2M	-$1.357B
Cash From Financing Activities	-$6.822M	-4.756M	-$24.19M
Net Change In Cash	$510.9M	-290.9M	-$1.038B
YoY Change	859.21%	3689.31%	-259.95%
FREE CASH FLOW
Cash From Operating Activities	$55.49M	$29.10M	$343.5M
Capital Expenditures	$74.46M	$112.3M	$326.6M
Free Cash Flow	-$18.97M	-$83.17M	$16.92M
YoY Change	-128.73%	-220.61%	-177.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001801368
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Registrant Name EntityRegistrantName	MP Materials Corp. / DE
CY2021Q4	us-gaap	Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesCurrent
CY2022Q4	us-gaap	Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilitiesCurrent
CY2022Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#AccruedEnvironmentalLossContingenciesNoncurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-39277
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	84-4465489
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	1700 S. Pavilion Center Drive, 8th Floor
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Las Vegas
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	NV
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	89135
CY2022	dei	City Area Code CityAreaCode	702
CY2022	dei	Local Phone Number LocalPhoneNumber	844-6111
CY2022	dei	Security12b Title Security12bTitle	Common Stock, par value of $0.0001 per share
CY2022	dei	Trading Symbol TradingSymbol	MP
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	3400000000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	177617795	shares
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	136627000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1179297000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	1045718000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	0	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1182345000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1179297000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	32856000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	51009000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	57554000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	38692000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2201000	usd
CY2021Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	18872000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7809000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1293828000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1276807000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	935743000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	610612000	usd
CY2022Q4	us-gaap	Inventory Noncurrent InventoryNoncurrent	5744000	usd
CY2021Q4	us-gaap	Inventory Noncurrent InventoryNoncurrent	0	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2472000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2247000	usd
CY2022Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	943959000	usd
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CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	72265000	usd
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CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	21163000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	3463000	usd
CY2022Q4	mp	Long Term Debt Current Maturities Related Parties LongTermDebtCurrentMaturitiesRelatedParties	0	usd
CY2021Q4	mp	Long Term Debt Current Maturities Related Parties LongTermDebtCurrentMaturitiesRelatedParties	16082000	usd
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CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	4264000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	97481000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	59543000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	5295000	usd
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	17615000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	16580000	usd
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	16598000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	678444000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	674927000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	122353000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	104500000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5000000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7751000	usd
CY2022Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	827672000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	821391000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	925153000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	880934000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
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CY2022Q4	us-gaap	Common Stock Value CommonStockValue	18000	usd
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CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	951008000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	936299000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	361419000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	72415000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	189000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1312634000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1008732000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2237787000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1889666000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	527510000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	331952000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	134310000	usd
CY2022	mp	Cost Of Revenue Excluding Depreciation Depletion And Amortization CostOfRevenueExcludingDepreciationDepletionAndAmortization	92218000	usd
CY2021	mp	Cost Of Revenue Excluding Depreciation Depletion And Amortization CostOfRevenueExcludingDepreciationDepletionAndAmortization	76253000	usd
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CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	75840000	usd
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CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	26767000	usd
CY2022	mp	Advanced Projects Development And Other Expense AdvancedProjectsDevelopmentAndOtherExpense	11817000	usd
CY2021	mp	Advanced Projects Development And Other Expense AdvancedProjectsDevelopmentAndOtherExpense	4573000	usd
CY2020	mp	Advanced Projects Development And Other Expense AdvancedProjectsDevelopmentAndOtherExpense	140000	usd
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CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-391000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-569000	usd
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CY2022	us-gaap	Costs And Expenses CostsAndExpenses	200099000	usd
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CY2020	us-gaap	Costs And Expenses CostsAndExpenses	169013000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	327411000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	165345000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-34703000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-5786000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-8904000	usd
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-5009000	usd
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CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3754000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	251000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	341152000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	160195000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-39461000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52148000	usd
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CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17636000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.64
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.27
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.27
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176519203	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	173469546	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79690821	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193453087	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	189844028	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79690821	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	189000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	289193000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	135037000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-21825000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-18022000	usd
CY2020	mp	Stock Issued During Period Value Warrants Exercised StockIssuedDuringPeriodValueWarrantsExercised	53846000	usd
CY2020	mp	Stock Issued During Period Value Acquisitions And Private Placement Financing StockIssuedDuringPeriodValueAcquisitionsAndPrivatePlacementFinancing	509275000	usd
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	326649000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5014000	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	996000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	64000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	853877000	usd
CY2021	mp	Stock Issued During Period Value Warrants Redeemed StockIssuedDuringPeriodValueWarrantsRedeemed	-1000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	22931000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	3330000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	-218000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1008732000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	33066000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	18357000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	189000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1312634000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18356000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	24382000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6931000	usd
CY2022	us-gaap	Accretion Expense Including Asset Retirement Obligations AccretionExpenseIncludingAssetRetirementObligations	1477000	usd
CY2021	us-gaap	Accretion Expense Including Asset Retirement Obligations AccretionExpenseIncludingAssetRetirementObligations	2375000	usd
CY2020	us-gaap	Accretion Expense Including Asset Retirement Obligations AccretionExpenseIncludingAssetRetirementObligations	2255000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	9958000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3401000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-391000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-569000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-101000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	31780000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	22931000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	5014000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	4034000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7384000	usd
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3146000	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	1809000	usd
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2022	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	usd
CY2021	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	usd
CY2020	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-66615000	usd
CY2022	mp	Contract With Customer Liability Related Parties Revenue Recognized For Debt Principal Reduction ContractWithCustomerLiabilityRelatedPartiesRevenueRecognizedForDebtPrincipalReduction	13566000	usd
CY2021	mp	Contract With Customer Liability Related Parties Revenue Recognized For Debt Principal Reduction ContractWithCustomerLiabilityRelatedPartiesRevenueRecognizedForDebtPrincipalReduction	54828000	usd
CY2020	mp	Contract With Customer Liability Related Parties Revenue Recognized For Debt Principal Reduction ContractWithCustomerLiabilityRelatedPartiesRevenueRecognizedForDebtPrincipalReduction	21312000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-17789000	usd
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-17425000	usd
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	17792000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-18153000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	47420000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3219000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	24314000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8229000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9224000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	2201000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	0	usd
CY2020	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	0	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6022000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4154000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1794000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1962000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	5530000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-3848000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	17700000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3463000	usd
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	usd
CY2022	mp	Increase Decrease In Contract With Customer Liability Related Parties Refund Liability IncreaseDecreaseInContractWithCustomerLiabilityRelatedPartiesRefundLiability	0	usd
CY2021	mp	Increase Decrease In Contract With Customer Liability Related Parties Refund Liability IncreaseDecreaseInContractWithCustomerLiabilityRelatedPartiesRefundLiability	0	usd
CY2020	mp	Increase Decrease In Contract With Customer Liability Related Parties Refund Liability IncreaseDecreaseInContractWithCustomerLiabilityRelatedPartiesRefundLiability	-2746000	usd
CY2022	mp	Increase Decrease In Contract With Customer Liability Related Parties IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties	0	usd
CY2021	mp	Increase Decrease In Contract With Customer Liability Related Parties IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties	0	usd
CY2020	mp	Increase Decrease In Contract With Customer Liability Related Parties IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties	1933000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1071000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-902000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4546000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	343514000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	101971000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3277000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	326595000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	123870000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22370000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2779666000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1463160000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	281000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	125000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2022	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	5130000	usd
CY2021	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	4382000	usd
CY2020	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1356971000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-119363000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-22370000	usd
CY2022	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	690000000	usd
CY2020	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	3364000	usd
CY2022	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	usd
CY2021	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	usd
CY2020	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	35450000	usd
CY2022	mp	Proceeds From Business Combination And Private Placement Financing ProceedsFromBusinessCombinationAndPrivatePlacementFinancing	0	usd
CY2021	mp	Proceeds From Business Combination And Private Placement Financing ProceedsFromBusinessCombinationAndPrivatePlacementFinancing	0	usd
CY2020	mp	Proceeds From Business Combination And Private Placement Financing ProceedsFromBusinessCombinationAndPrivatePlacementFinancing	544712000	usd
CY2022	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	5834000	usd
CY2021	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	2435000	usd
CY2020	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	20180000	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	40325000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	17749000	usd
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	18357000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3330000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	996000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-377000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-64000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-24191000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	666109000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	521961000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1037648000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	648717000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	502868000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1181157000	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
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	143509000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1181157000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532440000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	136627000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1179297000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	519652000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	6287000	usd
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	1344000	usd
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3688000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	595000	usd
CY2021Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	516000	usd
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	9100000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	143509000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1181157000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532440000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	Financial instruments that potentially subject the Company to credit risk consist principally of cash, cash equivalents and short-term investments, and trade accounts receivable. The Company believes that its credit risk is limited because the Company’s current contracts are with companies that have a reliable payment history. The Company does not believe it is exposed to any significant risks related to its cash accounts, money market funds, or short-term investments.<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">As of December 31, 2022, Shenghe was the Company’s principal customer and accounted for more than 90% of product sales. Demand for rare earth concentrate is currently constrained to a relatively limited number of refiners, a significant majority of which are based in China. Furthermore, while revenue is generated in the United States, Shenghe conducts its primary operations in China and may transport and sell products in the Chinese market. Therefore, the Company’s revenue is affected by Shenghe’s ultimate realized prices in China, including the impact of changes in the exchange rate between the Chinese Yuan and the U.S. dollar. In addition, there has been ongoing economic conflict between China and the United States that has previously resulted in tariffs and trade barriers that may negatively affect the Company’s business and results of operations. 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="#i19308d1ceae24740b4c66aca7816bb0b_160" 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%"> and </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="#i19308d1ceae24740b4c66aca7816bb0b_205" style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Note 18, “Related-Party Transactions,”</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%">The COVID-19 pandemic remains ongoing and continues to impact the global economy. Through the end of 2022, varying degrees of preventative measures were still in place in China and other parts of the world, including city-wide lockdowns, travel restrictions, closures of non-essential businesses and other quarantine measures. Since the first quarter of 2020, the Company has experienced, at times, significant shipping delays due to congestion and slowdowns at U.S. and international ports caused by shortages in vessels, containers, and truckers, also disrupting the global supply chain. Congestion and slowdowns have affected and may continue to affect the capacity at ports to receive deliveries of products or the loading of shipments onto vessels. Despite these factors, the Company has not experienced a reduction in production or sales due to the COVID-19 pandemic; however, the COVID-19 pandemic has contributed to certain cost and schedule pressures on the Stage II optimization project. The Company has worked proactively and diligently to adjust working schedules and hours to optimize logistics and shipping, which has thus far prevented a significant negative impact on the Company’s product sales and has mitigated certain impacts on Stage II construction and recommissioning progress.</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 evolve, including as a result of new and potential future variants of COVID-19, the possibility of federal or state mandates on vaccinations, or other factors that may affect international shipping and logistics or involve responses to government actions such as strikes or other disruptions, it is impossible to predict the effect and ultimate impact of the COVID-19 pandemic on the Company’s business, results of operations, production and sales volumes, or growth projects. Accordingly, the extent and duration of any business disruptions, and related financial impact, cannot be estimated at this time.</span></div>
CY2022	us-gaap	Use Of Estimates UseOfEstimates	The preparation of the 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 Consolidated Financial Statements, and (iii) the reported amounts of revenues and expenses during the reporting period. The more significant areas requiring the use of management estimates and assumptions relate to the useful lives and recoverability of long-lived assets (such as the effects of mineral reserves and cash flows from operating the mine in determining the life of the mine); the valuation allowance of deferred tax assets; asset retirement and environmental obligations; and determining the fair value of assets and liabilities in acquisitions and financial instruments in connection with transactions that require initial measurement to be at fair value. Management bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. Accordingly, actual results may differ from those estimates.
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	2500000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	usd
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts in prior periods have been reclassified to conform to the current year presentation.
CY2017Q2	mp	Percentage Of Preferred Interest In Company Held By Principal Customer And Related Party PercentageOfPreferredInterestInCompanyHeldByPrincipalCustomerAndRelatedParty	0.0999
CY2020	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-66600000	usd
CY2019Q4	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	35543000	usd
CY2020	mp	Contract With Customer Liability Related Parties Deferred Revenue Additions ContractWithCustomerLiabilityRelatedPartiesDeferredRevenueAdditions	11050000	usd
CY2020	mp	Contract With Customer Liability Related Parties Revenue Recognized ContractWithCustomerLiabilityRelatedPartiesRevenueRecognized	9117000	usd
CY2020	mp	Contract With Customer Liability Related Parties Derecognition From Contract Modification ContractWithCustomerLiabilityRelatedPartiesDerecognitionFromContractModification	37476000	usd
CY2020Q4	mp	Contract With Customer Liability Related Parties Deferred Revenue ContractWithCustomerLiabilityRelatedPartiesDeferredRevenue	0	usd
CY2019Q4	mp	Contract With Customer Liability Deferred Revenue Current ContractWithCustomerLiabilityDeferredRevenueCurrent	6600000	usd
CY2022Q4	mp	Cash And Cash Equivalents Amortized Cost CashAndCashEquivalentsAmortizedCost	136628000	usd
CY2022Q4	mp	Cash Equivalents Accumulated Gross Unrealized Gains Before Tax CashEquivalentsAccumulatedGrossUnrealizedGainsBeforeTax	1000	usd
CY2022Q4	mp	Cash Equivalents Accumulated Gross Unrealized Loss Before Tax CashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	2000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	136627000	usd
CY2021Q4	mp	Cash And Cash Equivalents Amortized Cost CashAndCashEquivalentsAmortizedCost	1179297000	usd
CY2021Q4	mp	Cash Equivalents Accumulated Gross Unrealized Gains Before Tax CashEquivalentsAccumulatedGrossUnrealizedGainsBeforeTax	0	usd
CY2021Q4	mp	Cash Equivalents Accumulated Gross Unrealized Loss Before Tax CashEquivalentsAccumulatedGrossUnrealizedLossBeforeTax	0	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	1179297000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1045464000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	362000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	108000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	1045718000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	0	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	0	usd
CY2022Q4	mp	Cash Cash Equivalents And Available For Sale Debt Securities Amortized Cost CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCost	1182092000	usd
CY2022Q4	mp	Cash Equivalents And Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax CashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	363000	usd
CY2022Q4	mp	Cash Equivalents And Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax CashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	110000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1182345000	usd
CY2021Q4	mp	Cash Cash Equivalents And Available For Sale Debt Securities Amortized Cost CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCost	1179297000	usd
CY2021Q4	mp	Cash Equivalents And Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax CashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2021Q4	mp	Cash Equivalents And Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax CashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1179297000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	300000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-600000	usd
CY2022	us-gaap	Interest Income Debt Securities Available For Sale Operating InterestIncomeDebtSecuritiesAvailableForSaleOperating	19800000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1052364000	usd
CY2022Q4	mp	Debt Securities Available For Sale Fair Value Maturity Allocated And Single Maturity Date After Year One Through Two Years DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughTwoYears	57753000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	1110117000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	28590000	usd
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	10711000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	27212000	usd
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	25574000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1752000	usd
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	2407000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	57554000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	38692000	usd
CY2022Q4	us-gaap	Inventory Noncurrent InventoryNoncurrent	5744000	usd
CY2021Q4	us-gaap	Inventory Noncurrent InventoryNoncurrent	0	usd
CY2022Q4	mp	Total Current And Non Current Inventories TotalCurrentAndNonCurrentInventories	63298000	usd
CY2021Q4	mp	Total Current And Non Current Inventories TotalCurrentAndNonCurrentInventories	38692000	usd
CY2021Q2	us-gaap	Inventory Write Down InventoryWriteDown	1800000	usd
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	994478000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	650241000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	58735000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	39629000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	935743000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	610612000	usd
CY2022	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	361200000	usd
CY2021	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	138000000	usd
CY2020	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	26200000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	121000000	usd
CY2020Q4	mp	Technology Investment Agreement Stage Ii Optimization Contribution TechnologyInvestmentAgreementStageIIOptimizationContribution	9600000	usd
CY2022	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	5100000	usd
CY2021	mp	Proceeds From Government Reimbursements For Property Plant And Equipment ProceedsFromGovernmentReimbursementsForPropertyPlantAndEquipment	4400000	usd
CY2022Q4	mp	Technology Investment Agreement Stage Ii Optimization Contribution TechnologyInvestmentAgreementStageIIOptimizationContribution	100000	usd
CY2022Q1	mp	Hree Production Project Agreement Stage Ii Optimization Contribution HREEProductionProjectAgreementStageIIOptimizationContribution	35000000	usd
CY2022	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	-10400000	usd
CY2021	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	-8700000	usd
CY2022	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Period Increase Decrease AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease	-2700000	usd
CY2022	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Period Increase Decrease AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease	-2700000	usd
CY2021	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Period Increase Decrease AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease	-1100000	usd
CY2022	us-gaap	Depreciation Depreciation	5808000	usd
CY2021	us-gaap	Depreciation Depreciation	6825000	usd
CY2020	us-gaap	Depreciation Depreciation	4702000	usd
CY2022	us-gaap	Depletion Depletion	12209000	usd
CY2021	us-gaap	Depletion Depletion	17200000	usd
CY2020	us-gaap	Depletion Depletion	1961000	usd
CY2022	mp	Increase Decrease In Depletion IncreaseDecreaseInDepletion	-6100000	usd
CY2021	mp	Increase Decrease In Depletion IncreaseDecreaseInDepletion	-1500000	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	424000	usd
CY2022Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	11556000	usd
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	15073000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	678444000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	674927000	usd
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	6146000	usd
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	9168000	usd
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	5171000	usd
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	360000	usd
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	264000	usd
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	162000	usd
CY2022	us-gaap	Interest Expense InterestExpense	5786000	usd
CY2021	us-gaap	Interest Expense InterestExpense	8904000	usd
CY2020	us-gaap	Interest Expense InterestExpense	5009000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P91M
CY2022	mp	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	renewaloption
CY2022Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2022	mp	Annual Base Rent AnnualBaseRent	1200000	usd
CY2022Q4	mp	Tenant Improvement Allowance TenantImprovementAllowance	1800000	usd
CY2022Q4	us-gaap	Prepaid Rent PrepaidRent	600000	usd
CY2021Q4	us-gaap	Prepaid Rent PrepaidRent	200000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	780000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	2466000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	339000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	357000	usd
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	268000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	44000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	60000	usd
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	50000	usd
CY2022	mp	Finance Lease Cost FinanceLeaseCost	383000	usd
CY2021	mp	Finance Lease Cost FinanceLeaseCost	417000	usd
CY2020	mp	Finance Lease Cost FinanceLeaseCost	318000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1509000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1163000	usd
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1246000	usd
CY2022	us-gaap	Lease Cost LeaseCost	2316000	usd
CY2021	us-gaap	Lease Cost LeaseCost	2360000	usd
CY2020	us-gaap	Lease Cost LeaseCost	4030000	usd
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-13100000	usd
CY2022	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	-10400000	usd
CY2022	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Period Increase Decrease AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease	-2700000	usd
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-9800000	usd
CY2021	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	-8700000	usd
CY2021	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Period Increase Decrease AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease	-1100000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	17757000	usd
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	25646000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	144000	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	199000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	976000	usd
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1876000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	213000	usd
CY2022	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-13114000	usd
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-9779000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	5475000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	17757000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	200000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	100000	usd
CY2022Q4	mp	Asset Retirement Obligations Estimated Undiscounted Cash Flows To Satisfy Obligation AssetRetirementObligationsEstimatedUndiscountedCashFlowsToSatisfyObligation	50400000	usd
CY2021Q4	mp	Asset Retirement Obligations Estimated Undiscounted Cash Flows To Satisfy Obligation AssetRetirementObligationsEstimatedUndiscountedCashFlowsToSatisfyObligation	167300000	usd
CY2022	mp	Accrual For Environmental Loss Contingencies Remediation Term AccrualForEnvironmentalLossContingenciesRemediationTerm	P25Y
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Discount Rate AccrualForEnvironmentalLossContingenciesDiscountRate	0.0293
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	27200000	usd
CY2021Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	27700000	usd
CY2021Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	500000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	500000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due Within One Year AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear	520000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Second Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear	536000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Third Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear	552000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Fourth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear	569000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due In Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear	587000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Undiscounted Due After Fifth Year AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear	24411000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	27175000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies Discount AccrualForEnvironmentalLossContingenciesDiscount	10075000	usd
CY2022Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	17100000	usd
CY2022Q4	mp	Asset Retirement Obligation Closure And Reclamation Obligations Financial Assurances AssetRetirementObligationClosureAndReclamationObligationsFinancialAssurances	43500000	usd
CY2021Q4	mp	Asset Retirement Obligation Closure And Reclamation Obligations Financial Assurances AssetRetirementObligationClosureAndReclamationObligationsFinancialAssurances	39000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	24382000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	4818000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9977000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2915000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	156000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	34359000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	7733000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	156000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	19236000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	15851000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-14088000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1447000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1574000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3704000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17789000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17425000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-17792000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52148000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25158000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17636000	usd
CY2021	mp	Adjustments To Additional Paid In Capital Business Combination Adjustment To Proceeds For Deductible Expenditures AdjustmentsToAdditionalPaidInCapitalBusinessCombinationAdjustmentToProceedsForDeductibleExpenditures	400000	usd
CY2020	mp	Adjustments To Additional Paid In Capital Business Combination Adjustment To Proceeds For Deductible Expenditures AdjustmentsToAdditionalPaidInCapitalBusinessCombinationAdjustmentToProceedsForDeductibleExpenditures	4700000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	341152000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	160195000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-39461000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	71642000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	33641000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-8287000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.033
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	11395000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4288000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.043
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1729000	usd
CY2022	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationPercent	0.023
CY2022	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Amount EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationAmount	8067000	usd
CY2021	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationPercent	0.017
CY2021	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Amount EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationAmount	2638000	usd
CY2020	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Percent EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationPercent	-0.012
CY2020	mp	Effective Income Tax Rate Reconciliation Officers Compensation Limitation Amount EffectiveIncomeTaxRateReconciliationOfficersCompensationLimitationAmount	478000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion	-0.045
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Depletion IncomeTaxReconciliationNondeductibleExpenseDepletion	-15248000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion	-0.061
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Depletion IncomeTaxReconciliationNondeductibleExpenseDepletion	-9663000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion	0.011
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Depletion IncomeTaxReconciliationNondeductibleExpenseDepletion	-425000	usd
CY2022	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Percent EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessPercent	0
CY2022	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessAmount	0	usd
CY2021	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Percent EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessPercent	-0.005
CY2021	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessAmount	714000	usd
CY2020	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Percent EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessPercent	0
CY2020	mp	Effective Income Tax Rate Reconciliation Paycheck Protection Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPaycheckProtectionLoanForgivenessAmount	0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.040
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	13676000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.018
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	2886000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Fdii Amount EffectiveIncomeTaxRateReconciliationFdiiAmount	0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.009
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	3160000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.012
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	1975000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.010
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-3575000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.006
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-974000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.008
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2845000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.005
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	821000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.237
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-9333000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-452000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-18000	usd
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.042
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1660000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.153
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52148000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.157
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25158000	usd
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.447
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17636000	usd
CY2022Q4	mp	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement And Environmental Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementAndEnvironmentalObligations	5643000	usd
CY2021Q4	mp	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement And Environmental Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementAndEnvironmentalObligations	8744000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2174000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	12448000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	6695000	usd
CY2022Q4	mp	Deferred Tax Assets Offtake Advances Net Of Debt Discount DeferredTaxAssetsOfftakeAdvancesNetOfDebtDiscount	0	usd
CY2021Q4	mp	Deferred Tax Assets Offtake Advances Net Of Debt Discount DeferredTaxAssetsOfftakeAdvancesNetOfDebtDiscount	4034000	usd
CY2022Q4	mp	Deferred Tax Assets Warrants DeferredTaxAssetsWarrants	0	usd
CY2021Q4	mp	Deferred Tax Assets Warrants DeferredTaxAssetsWarrants	2329000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	691000	usd
CY2021Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3785000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2688000	usd
CY2022Q4	mp	Deferred Tax Assets Organization Costs DeferredTaxAssetsOrganizationCosts	776000	usd
CY2021Q4	mp	Deferred Tax Assets Organization Costs DeferredTaxAssetsOrganizationCosts	860000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	346000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	764000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	351000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	636000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	24040000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	28924000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	346000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3192000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	23694000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	25732000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	36481000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	14077000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1567000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1192000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	6604000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	9938000	usd
CY2022Q4	mp	Deferred Tax Liabilities Mineral Rights DeferredTaxLiabilitiesMineralRights	101195000	usd
CY2021Q4	mp	Deferred Tax Liabilities Mineral Rights DeferredTaxLiabilitiesMineralRights	104735000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	200000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	290000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	146047000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	130232000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	122353000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	104500000	usd
CY2021Q4	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-1000000	usd
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	mp	Conversion Of Stock Shares Issued Conversion Ratio ConversionOfStockSharesIssuedConversionRatio	59908.35
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	149308637	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	149308637	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	149308637	shares
CY2020Q4	mp	Business Combination And Asset Acquisition Acquisition And Transaction Costs BusinessCombinationAndAssetAcquisitionAcquisitionAndTransactionCosts	33500000	usd
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	28200000	usd
CY2020Q4	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	3300000	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	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1	P4Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.52
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	41.24
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.53
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	2869680	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	23.51
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	406717	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.52
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1032513	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	22.17
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	35721	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	32.51
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	2208163	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	26.76
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	29900000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	40000000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	10900000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	2900000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	31780000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	22931000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5014000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1286000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	4256000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3185000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1259000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176519203	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	173469546	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79690821	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	2840624	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	15584409	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	11997860	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193453087	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	189844028	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79690821	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	176519203	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	173469546	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79690821	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.64
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.27
CY2022	us-gaap	Net Income Loss NetIncomeLoss	289004000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	135037000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-21825000	usd
CY2022	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	4441000	usd
CY2021	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	3366000	usd
CY2020	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	usd
CY2022	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	293445000	usd
CY2021	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	138403000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	2096000	usd
CY2020	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	-21825000	usd
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	193453087	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	189844028	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79690821	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.27
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.153
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.157
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	24442	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	18322	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	13710636	shares
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1204000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	3089000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	18860000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4172000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	255000	usd
CY2022	mp	Capital Expenditures Acquired On Seller Financed Equipment Notes CapitalExpendituresAcquiredOnSellerFinancedEquipmentNotes	0	usd
CY2021	mp	Capital Expenditures Acquired On Seller Financed Equipment Notes CapitalExpendituresAcquiredOnSellerFinancedEquipmentNotes	9407000	usd
CY2020	mp	Capital Expenditures Acquired On Seller Financed Equipment Notes CapitalExpendituresAcquiredOnSellerFinancedEquipmentNotes	1216000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	34569000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	14082000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	4054000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	usd
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	324125000	usd
CY2022	mp	Notes Reduction Due To Revenue Recognized In Exchange NotesReductionDueToRevenueRecognizedInExchange	13566000	usd
CY2021	mp	Notes Reduction Due To Revenue Recognized In Exchange NotesReductionDueToRevenueRecognizedInExchange	54802000	usd
CY2020	mp	Notes Reduction Due To Revenue Recognized In Exchange NotesReductionDueToRevenueRecognizedInExchange	21312000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3401000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	mp	Increase Decrease In Estimates Of Asset Retirement Costs IncreaseDecreaseInEstimatesOfAssetRetirementCosts	-10395000	usd
CY2021	mp	Increase Decrease In Estimates Of Asset Retirement Costs IncreaseDecreaseInEstimatesOfAssetRetirementCosts	-8713000	usd
CY2020	mp	Increase Decrease In Estimates Of Asset Retirement Costs IncreaseDecreaseInEstimatesOfAssetRetirementCosts	0	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	168000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2932000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	42000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	88000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	724000	usd
CY2022	dei	Auditor Name AuditorName	KPMG LLP
CY2022	dei	Auditor Location AuditorLocation	Denver, CO
CY2022	dei	Auditor Firm AuditorFirmId	185

Files In Submission

Name	View Source	Status
mp-20221231_def.xml	Edgar Link	unprocessable
0001801368-23-000009-index-headers.html	Edgar Link	pending
0001801368-23-000009-index.html	Edgar Link	pending
0001801368-23-000009.txt	Edgar Link	pending
0001801368-23-000009-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mp-20221231.htm	Edgar Link	pending
mp-20221231.xsd	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
mp-20221231_cal.xml	Edgar Link	unprocessable
mp-20221231_lab.xml	Edgar Link	unprocessable
mp-20221231_g1.jpg	Edgar Link	pending
mp-20221231_g2.jpg	Edgar Link	pending
mp-20221231_g3.jpg	Edgar Link	pending
mpmcexhibit211123122.htm	Edgar Link	pending
mpmcexhibit231123122.htm	Edgar Link	pending
mpmcexhibit232123122srk.htm	Edgar Link	pending
mpmcexhibit232123122srk001.jpg	Edgar Link	pending
mpmcexhibit232123122srk002.jpg	Edgar Link	pending
mpmcexhibit233123122cru.htm	Edgar Link	pending
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mpmcexhibit234123122sgs001.jpg	Edgar Link	pending
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mpmcexhibit312123122.htm	Edgar Link	pending
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mp-20221231_pre.xml	Edgar Link	unprocessable
mp-20221231_htm.xml	Edgar Link	completed
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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

2023 Q1 Form 10-K Financial Statement

#000180136823000009 Filed on February 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MP MP Materials Corp. / DE Stock $mp

2023 Q1 Form 10-K Financial Statement

#000180136823000009 Filed on February 28, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MP
MP Materials Corp. / DE Stock $mp