$NRP
NATURAL RESOURCE PARTNERS LP Stock $nrp

$nrp Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000117148621000016 Filed on May 06, 2021

Income Statement

Concept	2021 Q2	2021 Q1	2020 Q1
Revenue	$38.39M	$37.09M	$40.21M
YoY Change	25.69%	-7.76%	-39.79%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$8.558M	$9.662M	$9.115M
YoY Change	-27.71%	6.0%	-28.28%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$4.871M	$5.092M	$2.012M
YoY Change	136.23%	153.08%	-54.19%
% of Gross Profit
Operating Expenses	$13.45M	$18.80M	$11.13M
YoY Change	-90.8%	68.93%	-34.94%
Operating Profit	$25.07M	$18.35M	$29.09M
YoY Change	-121.76%	-36.9%	-41.75%
Interest Expense	$9.683M	$9.973M	$10.31M
YoY Change	-6.25%	-3.25%	-27.28%
% of Operating Profit	38.63%	54.34%	35.44%
Other Income/Expense, Net	$9.683M	$9.973M	$10.31M
YoY Change	-6.25%	-3.25%
Pretax Income	$15.38M	$8.381M	$18.78M
YoY Change	-112.26%	-55.37%	-47.49%
Income Tax
% Of Pretax Income
Net Earnings	$15.38M	$8.381M	$18.78M
YoY Change	-112.26%	-55.37%	-47.43%
Net Earnings / Revenue	40.06%	22.6%	46.7%
Basic Earnings Per Share
Diluted Earnings Per Share	$573.5K	$675.5K	$529.8K
COMMON SHARES
Basic Shares Outstanding	12.35M shares	12.35M shares	12.26M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2021 Q2	2021 Q1	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$97.91M	$96.77M	$100.5M
YoY Change	-11.66%	-3.72%	-10.56%
Cash & Equivalents	$97.91M	$96.77M	$100.5M
Short-Term Investments
Other Short-Term Assets	$4.038M	$3.021M	$1.166M
YoY Change	-18.11%	159.09%	-94.81%
Inventory
Prepaid Expenses
Receivables	$15.32M	$15.92M	$34.11M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$117.3M	$115.7M	$135.8M
YoY Change	-14.9%	-14.79%	-21.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$471.2M	$475.6M	$627.2M
YoY Change	-4.4%	-24.17%	70136.95%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$266.4M	$261.3M	$261.2M
YoY Change	5.55%	0.03%	4.52%
Other Assets	$6.085M	$6.678M	$6.774M
YoY Change	-28.86%	-1.42%	19.32%
Total Long-Term Assets	$792.9M	$793.5M	$947.6M
YoY Change	-1.59%	-16.27%	-13.87%
TOTAL ASSETS
Total Short-Term Assets	$117.3M	$115.7M	$135.8M
Total Long-Term Assets	$792.9M	$793.5M	$947.6M
Total Assets	$910.2M	$909.2M	$1.083B
YoY Change	-3.54%	-16.08%	-14.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.293M	$1.375M	$1.272M
YoY Change	5.29%	8.1%	-29.22%
Accrued Expenses	$5.746M	$4.853M	$6.004M
YoY Change	-4.66%	-19.17%	-3.16%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$39.06M	$39.04M	$45.77M
YoY Change	-14.69%	-14.69%	-0.56%
Total Short-Term Liabilities	$57.82M	$64.67M	$68.44M
YoY Change	-9.56%	-5.51%	7.49%
LONG-TERM LIABILITIES
Long-Term Debt	$414.1M	$416.1M	$454.1M
YoY Change	-8.41%	-8.37%	-16.17%
Other Long-Term Liabilities	$4.819M	$4.730M	$4.804M
YoY Change	-1.67%	-1.54%	1.78%
Total Long-Term Liabilities	$418.9M	$420.9M	$458.9M
YoY Change	-8.33%	-8.29%	-16.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$57.82M	$64.67M	$68.44M
Total Long-Term Liabilities	$418.9M	$420.9M	$458.9M
Total Liabilities	$528.5M	$536.4M	$581.4M
YoY Change	-7.98%	-7.75%	-12.24%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$381.7M	$372.8M	$504.9M
YoY Change
Total Liabilities & Shareholders Equity	$910.2M	$909.2M	$1.083B
YoY Change	-3.54%	-16.08%	-14.84%

Cashflow Statement

Concept	2021 Q2	2021 Q1	2020 Q1
OPERATING ACTIVITIES
Net Income	$15.38M	$8.381M	$18.78M
YoY Change	-112.26%	-55.37%	-47.43%
Depreciation, Depletion And Amortization	$4.871M	$5.092M	$2.012M
YoY Change	136.23%	153.08%	-54.19%
Cash From Operating Activities	$13.38M	$23.20M	$31.86M
YoY Change	-32.86%	-27.18%	38.81%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$657.0K	$600.0K	$206.0K
YoY Change	80.0%	191.26%	-32.9%
Cash From Investing Activities	$657.0K	$600.0K	$206.0K
YoY Change	80.0%	191.26%	-32.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$16.70M	$16.70M
YoY Change		0.0%	-80.69%
Cash From Financing Activities	-12.90M	-$26.82M	-$29.83M
YoY Change	29.28%	-10.07%	-70.05%
NET CHANGE
Cash From Operating Activities	13.38M	$23.20M	$31.86M
Cash From Investing Activities	657.0K	$600.0K	$206.0K
Cash From Financing Activities	-12.90M	-$26.82M	-$29.83M
Net Change In Cash	1.141M	-$3.023M	$2.241M
YoY Change	-88.95%	-234.9%	-102.94%
FREE CASH FLOW
Cash From Operating Activities	$13.38M	$23.20M	$31.86M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q1	dei	Amendment Flag AmendmentFlag	false
CY2021Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001171486
CY2021Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	12351306	shares
CY2021Q1	dei	Document Type DocumentType	10-Q
CY2021Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2021Q1	dei	Document Period End Date DocumentPeriodEndDate	2021-03-31
CY2021Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q1	dei	Entity File Number EntityFileNumber	001-31465
CY2021Q1	dei	Entity Registrant Name EntityRegistrantName	NATURAL RESOURCE PARTNERS LP
CY2021Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	35-2164875
CY2021Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	1201 Louisiana Street, Suite 3400
CY2021Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2021Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77002
CY2021Q1	dei	City Area Code CityAreaCode	713
CY2021Q1	dei	Local Phone Number LocalPhoneNumber	751-7507
CY2021Q1	dei	Security12b Title Security12bTitle	Common Units representing limited partner interests
CY2021Q1	dei	Trading Symbol TradingSymbol	NRP
CY2021Q1	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	5552000	USD
CY2020Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	5202000	USD
CY2021Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021Q1	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021Q1	dei	Entity Small Business EntitySmallBusiness	true
CY2021Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021Q1	dei	Entity Shell Company EntityShellCompany	false
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	96767000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	99790000	USD
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	15920000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	12322000	USD
CY2021Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3021000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5080000	USD
CY2021Q1	us-gaap	Assets Current AssetsCurrent	115708000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	117192000	USD
CY2021Q1	us-gaap	Land Land	24008000	USD
CY2020Q4	us-gaap	Land Land	24008000	USD
CY2021Q1	us-gaap	Mineral Properties Net MineralPropertiesNet	451610000	USD
CY2020Q4	us-gaap	Mineral Properties Net MineralPropertiesNet	460373000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	17131000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	17459000	USD
CY2021Q1	us-gaap	Equity Method Investments EquityMethodInvestments	261299000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	262514000	USD
CY2021Q1	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	32726000	USD
CY2020Q4	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	33264000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6678000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7067000	USD
CY2021Q1	us-gaap	Assets Assets	909160000	USD
CY2020Q4	us-gaap	Assets Assets	921877000	USD
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	1375000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1385000	USD
CY2021Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	4853000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	7733000	USD
CY2021Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	8847000	USD
CY2020Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1714000	USD
CY2021Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	10555000	USD
CY2020Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	11485000	USD
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	39042000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	39055000	USD
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	64672000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	61372000	USD
CY2021Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	50853000	USD
CY2020Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	50069000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	416121000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	432444000	USD
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4730000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5131000	USD
CY2021Q1	us-gaap	Liabilities Liabilities	536376000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	549016000	USD
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	257556	shares
CY2021Q1	us-gaap	Preferred Units Issued PreferredUnitsIssued	257556	shares
CY2020Q4	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	253750	shares
CY2020Q4	us-gaap	Preferred Units Issued PreferredUnitsIssued	253750	shares
CY2021Q1	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	1000
CY2020Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	1000
CY2021Q1	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	1850
CY2020Q4	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	1700
CY2021Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	172143000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	168337000	USD
CY2021Q1	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	12351306	shares
CY2021Q1	us-gaap	Limited Partners Capital Account Units Issued LimitedPartnersCapitalAccountUnitsIssued	12351306	shares
CY2020Q4	us-gaap	Limited Partners Capital Account Units Issued LimitedPartnersCapitalAccountUnitsIssued	12261199	shares
CY2020Q4	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	12261199	shares
CY2021Q1	us-gaap	Limited Partners Capital Account LimitedPartnersCapitalAccount	132377000	USD
CY2020Q4	us-gaap	Limited Partners Capital Account LimitedPartnersCapitalAccount	136927000	USD
CY2021Q1	us-gaap	General Partners Capital Account GeneralPartnersCapitalAccount	394000	USD
CY2020Q4	us-gaap	General Partners Capital Account GeneralPartnersCapitalAccount	459000	USD
CY2021Q1	us-gaap	Warrants And Rights Outstanding WarrantsAndRightsOutstanding	66816000	USD
CY2020Q4	us-gaap	Warrants And Rights Outstanding WarrantsAndRightsOutstanding	66816000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1054000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	322000	USD
CY2021Q1	us-gaap	Partners Capital PartnersCapital	200641000	USD
CY2020Q4	us-gaap	Partners Capital PartnersCapital	204524000	USD
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	909160000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	921877000	USD
CY2021Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	59000	USD
CY2020Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2021Q1	nrp	Revenue Net Including Gain Losson Dispositionof Assets RevenueNetIncludingGainLossonDispositionofAssets	37151000	USD
CY2020Q1	nrp	Revenue Net Including Gain Losson Dispositionof Assets RevenueNetIncludingGainLossonDispositionofAssets	40214000	USD
CY2021Q1	us-gaap	Operating Expenses OperatingExpenses	18797000	USD
CY2020Q1	us-gaap	Operating Expenses OperatingExpenses	11127000	USD
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5092000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2012000	USD
CY2021Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4110000	USD
CY2020Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3913000	USD
CY2021Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4043000	USD
CY2020Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	18354000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	29087000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	9973000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	10308000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2021Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7727000	USD
CY2020Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7500000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	654000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11279000	USD
CY2021Q1	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	641000	USD
CY2020Q1	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	11053000	USD
CY2021Q1	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	13000	USD
CY2020Q1	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	226000	USD
CY2021Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.05
CY2020Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.90
CY2021Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.05
CY2020Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.52
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	732000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1023000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	9113000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	17756000	USD
CY2020Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	204524000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2021Q1	us-gaap	Partners Capital Account Unit Based Compensation PartnersCapitalAccountUnitBasedCompensation	0	USD
CY2021Q1	nrp	Partners Capital Account Unitbased Compensation Amortization PartnersCapitalAccountUnitbasedCompensationAmortization	215000	USD
CY2021Q1	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	32000	USD
CY2021Q1	nrp	Other Comprehensive Income Loss Netof Tax Portion Attributableto Parent Excluding General Partner Distributions OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentExcludingGeneralPartnerDistributions	732000	USD
CY2021Q1	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	200641000	USD
CY2021Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7727000	USD
CY2019Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	336028000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2020Q1	nrp	Partners Capital Account Unitbased Compensation Amortization PartnersCapitalAccountUnitbasedCompensationAmortization	673000	USD
CY2020Q1	nrp	Other Comprehensive Income Loss Netof Tax Portion Attributableto Parent Excluding General Partner Distributions OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentExcludingGeneralPartnerDistributions	-1023000	USD
CY2020Q1	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	337416000	USD
CY2020Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7500000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5092000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2012000	USD
CY2021Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3920000	USD
CY2020Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	7105000	USD
CY2021Q1	nrp	Equity Earnings From Unconsolidated Investment EquityEarningsFromUnconsolidatedInvestment	1973000	USD
CY2020Q1	nrp	Equity Earnings From Unconsolidated Investment EquityEarningsFromUnconsolidatedInvestment	6272000	USD
CY2021Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	59000	USD
CY2020Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2021Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4043000	USD
CY2020Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021Q1	us-gaap	Provision For Other Losses ProvisionForOtherLosses	383000	USD
CY2020Q1	us-gaap	Provision For Other Losses ProvisionForOtherLosses	-190000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1126000	USD
CY2020Q1	us-gaap	Share Based Compensation ShareBasedCompensation	729000	USD
CY2021Q1	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	269000	USD
CY2020Q1	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	448000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3331000	USD
CY2020Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5073000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-10000	USD
CY2020Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	93000	USD
CY2021Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-3034000	USD
CY2020Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-2861000	USD
CY2021Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	7133000	USD
CY2020Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	7060000	USD
CY2021Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-146000	USD
CY2020Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	8265000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1406000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-60000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	23200000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	30155000	USD
CY2021Q1	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2020Q1	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	1706000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23200000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	31861000	USD
CY2020Q1	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	272000	USD
CY2021Q1	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-59000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	0	USD
CY2021Q1	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	541000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	600000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	272000	USD
CY2021Q1	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2020Q1	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-66000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	600000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	206000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	16696000	USD
CY2020Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	16696000	USD
CY2021Q1	nrp	Proceeds From Paymentsto Discontinued Operations ProceedsFromPaymentstoDiscontinuedOperations	0	USD
CY2020Q1	nrp	Proceeds From Paymentsto Discontinued Operations ProceedsFromPaymentstoDiscontinuedOperations	-1640000	USD
CY2021Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-691000	USD
CY2020Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2021Q1	us-gaap	Dividends Paidinkind DividendsPaidinkind	3806000	USD
CY2020Q1	us-gaap	Dividends Paidinkind DividendsPaidinkind	0	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-26823000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-28186000	USD
CY2021Q1	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2020Q1	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-1640000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-26823000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-29826000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3023000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2241000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	99790000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98265000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	96767000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	100506000	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	2320000	USD
CY2020Q1	us-gaap	Interest Paid Net InterestPaidNet	3039000	USD
CY2021Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	992000	USD
CY2020Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
CY2021Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	35119000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	33942000	USD
CY2020Q4	us-gaap	Deferred Revenue DeferredRevenue	61554000	USD
CY2019Q4	us-gaap	Deferred Revenue DeferredRevenue	51821000	USD
CY2021Q1	nrp	Deferred Revenue Contractual Minimum Payments DeferredRevenueContractualMinimumPayments	4358000	USD
CY2020Q1	nrp	Deferred Revenue Contractual Minimum Payments DeferredRevenueContractualMinimumPayments	17153000	USD
CY2021Q1	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	4504000	USD
CY2020Q1	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	8888000	USD
CY2021Q1	us-gaap	Deferred Revenue DeferredRevenue	61408000	USD
CY2020Q1	us-gaap	Deferred Revenue DeferredRevenue	60086000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P4Y6M
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	14686000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P5Y2M12D
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	8122000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P14Y3M18D
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	28463000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P9Y7M6D
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	51271000	USD
CY2021Q1	nrp	Payments For Proceeds From Loans Receivable Remaining Minimum Payment PaymentsForProceedsFromLoansReceivableRemainingMinimumPayment	3800000	USD
CY2021Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7700000	USD
CY2020Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7500000	USD
CY2021Q1	us-gaap	Dividends Paidinkind DividendsPaidinkind	3806000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2021Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7727000	USD
CY2020Q1	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	7500000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	654000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11279000	USD
CY2021Q1	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	13000	USD
CY2020Q1	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	226000	USD
CY2021Q1	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	641000	USD
CY2020Q1	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	11053000	USD
CY2021Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12292000	shares
CY2020Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12261000	shares
CY2021Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.05
CY2020Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.90
CY2021Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12292000	shares
CY2020Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12261000	shares
CY2021Q1	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Preferred Units WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofPreferredUnits	0	shares
CY2020Q1	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Preferred Units WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofPreferredUnits	23187000	shares
CY2021Q1	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Unit Awards WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofUnitAwards	116000	shares
CY2020Q1	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Unit Awards WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofUnitAwards	0	shares
CY2021Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	12408000	shares
CY2020Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	35448000	shares
CY2021Q1	us-gaap	Profit Loss ProfitLoss	8381000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	18779000	USD
CY2021Q1	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	7727000	USD
CY2020Q1	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
CY2021Q1	nrp	Net Income Loss Allocated To General Partners And Limited Partners Diluted NetIncomeLossAllocatedToGeneralPartnersAndLimitedPartnersDiluted	654000	USD
CY2020Q1	nrp	Net Income Loss Allocated To General Partners And Limited Partners Diluted NetIncomeLossAllocatedToGeneralPartnersAndLimitedPartnersDiluted	18779000	USD
CY2021Q1	nrp	Income Loss Attributableto Parentand Other Incomefrom Warrant Liability Fair Value Adjustments Allocatedto General Partner IncomeLossAttributabletoParentandOtherIncomefromWarrantLiabilityFairValueAdjustmentsAllocatedtoGeneralPartner	-13000	USD
CY2020Q1	nrp	Income Loss Attributableto Parentand Other Incomefrom Warrant Liability Fair Value Adjustments Allocatedto General Partner IncomeLossAttributabletoParentandOtherIncomefromWarrantLiabilityFairValueAdjustmentsAllocatedtoGeneralPartner	-376000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	641000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	18403000	USD
CY2021Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.05
CY2020Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.52
CY2021Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2021Q1	us-gaap	Revenues Revenues	37092000	USD
CY2021Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	59000	USD
CY2021Q1	nrp	Operating Costsand Expenses Including Affiliates OperatingCostsandExpensesIncludingAffiliates	5552000	USD
CY2021Q1	nrp	Depreciation Depletionand Amortization Including Related Parties DepreciationDepletionandAmortizationIncludingRelatedParties	5092000	USD
CY2021Q1	nrp	Generaland Administrative Expenseincludingaffiliates GeneralandAdministrativeExpenseincludingaffiliates	4110000	USD
CY2021Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4043000	USD
CY2021Q1	us-gaap	Other Expenses OtherExpenses	9973000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	8381000	USD
CY2020Q1	us-gaap	Revenues Revenues	40214000	USD
CY2020Q1	nrp	Operating Costsand Expenses Including Affiliates OperatingCostsandExpensesIncludingAffiliates	5202000	USD
CY2020Q1	nrp	Depreciation Depletionand Amortization Including Related Parties DepreciationDepletionandAmortizationIncludingRelatedParties	2012000	USD
CY2020Q1	nrp	Generaland Administrative Expenseincludingaffiliates GeneralandAdministrativeExpenseincludingaffiliates	3913000	USD
CY2020Q1	us-gaap	Other Expenses OtherExpenses	10308000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	18779000	USD
CY2021Q1	us-gaap	Mineral Properties Gross MineralPropertiesGross	815895000	USD
CY2021Q1	us-gaap	Mineral Properties Accumulated Depletion MineralPropertiesAccumulatedDepletion	364285000	USD
CY2021Q1	us-gaap	Mineral Properties Net MineralPropertiesNet	451610000	USD
CY2020Q4	us-gaap	Mineral Properties Gross MineralPropertiesGross	820170000	USD
CY2020Q4	us-gaap	Mineral Properties Accumulated Depletion MineralPropertiesAccumulatedDepletion	359797000	USD
CY2020Q4	us-gaap	Mineral Properties Net MineralPropertiesNet	460373000	USD
CY2021Q1	nrp	Depletion And Amortization Expense On Coal And Other Mineral Rights DepletionAndAmortizationExpenseOnCoalAndOtherMineralRights	4700000	USD
CY2020Q1	nrp	Depletion And Amortization Expense On Coal And Other Mineral Rights DepletionAndAmortizationExpenseOnCoalAndOtherMineralRights	1900000	USD
CY2021Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	461183000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	477880000	USD
CY2021Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6020000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6381000	USD
CY2021Q1	us-gaap	Long Term Debt LongTermDebt	455163000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	471499000	USD
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	39042000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	39055000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	416121000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	432444000	USD
CY2021Q1	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	34816000	USD
CY2020Q4	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	35313000	USD
CY2021Q1	nrp	Fairvaluepercentageofpar Fairvaluepercentageofpar	0.96
CY2020Q4	nrp	Fairvaluepercentageofpar Fairvaluepercentageofpar	0.92
CY2021Q1	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Liability EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability	0	USD
CY2020	nrp	Discount Rate DiscountRate	0.15
CY2021Q1	nrp	Discount Rate DiscountRate	0.15
CY2020Q4	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Liability EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability	0	USD
CY2021Q1	nrp	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Grantsin Period Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue	3800000	USD
CY2020Q1	nrp	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Grantsin Period Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue	3500000	USD
CY2021Q1	nrp	Unaccrued Cost Associated With Outstanding Grants And Related Distribution Equivalent Rights UnaccruedCostAssociatedWithOutstandingGrantsAndRelatedDistributionEquivalentRights	6600000	USD
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P2Y
CY2020Q4	nrp	Unaccrued Cost Associated With Outstanding Grants And Related Distribution Equivalent Rights UnaccruedCostAssociatedWithOutstandingGrantsAndRelatedDistributionEquivalentRights	3700000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	355000	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	26.20
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	219000	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	17.31
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	129000	shares
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	21.38
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	445000	shares
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	23.23
CY2021Q1	us-gaap	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P80Y
CY2021Q1	nrp	Paymentsfor Proceedsfrom Loans Receivable Annual Minimum Payment PaymentsforProceedsfromLoansReceivableAnnualMinimumPayment	5000000.0	USD
CY2021Q1	nrp	Paymentsfor Proceedsfrom Loans Receivable Annual Minimum Payment PaymentsforProceedsfromLoansReceivableAnnualMinimumPayment	5000000.0	USD
CY2021Q1	nrp	Shortterm Receivables Gross ShorttermReceivablesGross	20986000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2763000	USD
CY2021Q1	nrp	Shorttermreceivablesnetof Cecl ShorttermreceivablesnetofCECL	18223000	USD
CY2020Q4	nrp	Shortterm Receivables Gross ShorttermReceivablesGross	18512000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2358000	USD
CY2020Q4	nrp	Shorttermreceivablesnetof Cecl ShorttermreceivablesnetofCECL	16154000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	34255000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	1529000	USD
CY2021Q1	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	32726000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	34818000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	1554000	USD
CY2020Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	33264000	USD
CY2021Q1	nrp	Totalreceivables Gross TotalreceivablesGross	55241000	USD
CY2021Q1	nrp	Cecl Allowancetotal CECLAllowancetotal	4292000	USD
CY2021Q1	nrp	Totalreceivablesnetof Cecl TotalreceivablesnetofCECL	50949000	USD
CY2020Q4	nrp	Totalreceivables Gross TotalreceivablesGross	53330000	USD
CY2020Q4	nrp	Cecl Allowancetotal CECLAllowancetotal	3912000	USD
CY2020Q4	nrp	Totalreceivablesnetof Cecl TotalreceivablesnetofCECL	49418000	USD
CY2021Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-400000	USD
CY2020Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	400000	USD

Files In Submission

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NATURAL RESOURCE PARTNERS LP Stock $nrp

2021 Q2 Form 10-Q Financial Statement

#000117148621000016 Filed on May 06, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NRP NATURAL RESOURCE PARTNERS LP Stock $nrp

2021 Q2 Form 10-Q Financial Statement

#000117148621000016 Filed on May 06, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NRP
NATURAL RESOURCE PARTNERS LP Stock $nrp