$NRP
NATURAL RESOURCE PARTNERS LP Stock $nrp

$nrp Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-K Financial Statement

#000117148620000006 Filed on February 27, 2020

Income Statement

Concept	2020 Q1	2019 Q4	2019 Q3
Revenue	$40.21M	$51.83M	$57.60M
YoY Change	-39.79%	-18.94%	-1.04%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$9.115M	$9.856M	$10.25M
YoY Change	-28.28%	-78.58%	2.75%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.012M	$3.186M	$3.384M
YoY Change	-54.19%	-49.63%	-30.77%
% of Gross Profit
Operating Expenses	$11.13M	$13.04M	$14.12M
YoY Change	-34.94%	-80.73%	-5.02%
Operating Profit	$29.09M	-$109.1M	$49.59M
YoY Change	-41.75%	-309.35%	14.41%
Interest Expense	$10.31M	-$10.39M	$10.43M
YoY Change	-27.28%	-85.19%	-40.37%
% of Operating Profit	35.44%		21.03%
Other Income/Expense, Net	$10.31M		$10.43M
YoY Change			-40.37%
Pretax Income	$18.78M	-$119.4M	$39.16M
YoY Change	-47.49%	-197.62%	51.48%
Income Tax
% Of Pretax Income
Net Earnings	$18.78M	-$118.7M	$39.17M
YoY Change	-47.43%	-341.95%	35.54%
Net Earnings / Revenue	46.7%	-229.03%	68.0%
Basic Earnings Per Share
Diluted Earnings Per Share	$529.8K	-$9.679M	$1.691M
COMMON SHARES
Basic Shares Outstanding	12.26M shares	12.26M shares	12.26M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2020 Q1	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$100.5M	$98.27M	$99.64M
YoY Change	-10.56%	-3.51%	57.19%
Cash & Equivalents	$100.5M	$98.27M	$99.64M
Short-Term Investments
Other Short-Term Assets	$1.166M	$2.950M	$16.63M
YoY Change	-94.81%	-97.28%	194.11%
Inventory
Prepaid Expenses
Receivables	$34.11M	$30.87M	$27.45M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$135.8M	$132.1M	$143.7M
YoY Change	-21.0%	-45.54%	6.95%
LONG-TERM ASSETS
Property, Plant & Equipment	$627.2M	$629.1M	$762.0K
YoY Change	70136.95%	63833.33%	-98.42%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$261.2M	$263.1M	$258.1M
YoY Change	4.52%	6.49%	6.24%
Other Assets	$6.774M	$6.989M	$6.274M
YoY Change	19.32%	101.12%	1.39%
Total Long-Term Assets	$947.6M	$953.8M	$1.100B
YoY Change	-13.87%	-13.22%	-13.88%
TOTAL ASSETS
Total Short-Term Assets	$135.8M	$132.1M	$143.7M
Total Long-Term Assets	$947.6M	$953.8M	$1.100B
Total Assets	$1.083B	$1.086B	$1.244B
YoY Change	-14.84%	-19.06%	-11.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.272M	$1.179M	$1.591M
YoY Change	-29.22%	-51.16%	-78.69%
Accrued Expenses	$6.004M	$8.764M	$7.290M
YoY Change	-3.16%	-29.02%	-47.95%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$45.77M	$45.78M	$45.79M
YoY Change	-0.56%	-60.26%	-39.11%
Total Short-Term Liabilities	$68.44M	$62.71M	$74.26M
YoY Change	7.49%	-57.84%	-28.75%
LONG-TERM LIABILITIES
Long-Term Debt	$454.1M	$470.4M	$490.4M
YoY Change	-16.17%	-15.63%	-31.56%
Other Long-Term Liabilities	$4.804M	$4.949M	$4.843M
YoY Change	1.78%	330.35%	147.34%
Total Long-Term Liabilities	$458.9M	$475.4M	$495.2M
YoY Change	-16.01%	-14.92%	-31.07%
TOTAL LIABILITIES
Total Short-Term Liabilities	$68.44M	$62.71M	$74.26M
Total Long-Term Liabilities	$458.9M	$475.4M	$495.2M
Total Liabilities	$581.4M	$585.3M	$613.1M
YoY Change	-12.24%	-22.63%	-29.01%
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	$504.9M	$503.6M	$633.8M
YoY Change
Total Liabilities & Shareholders Equity	$1.083B	$1.086B	$1.244B
YoY Change	-14.84%	-19.06%	-11.9%

Cashflow Statement

Concept	2020 Q1	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$18.78M	-$118.7M	$39.17M
YoY Change	-47.43%	-341.95%	35.54%
Depreciation, Depletion And Amortization	$2.012M	$3.186M	$3.384M
YoY Change	-54.19%	-49.63%	-30.77%
Cash From Operating Activities	$31.86M	$19.39M	$41.38M
YoY Change	38.81%	-76.17%	23.7%
INVESTING ACTIVITIES
Capital Expenditures		-$22.00K
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$206.0K	$208.0K	$6.445M
YoY Change	-32.9%	-99.89%	-420.01%
Cash From Investing Activities	$206.0K	$186.0K	$6.445M
YoY Change	-32.9%	-99.9%	-420.01%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$16.70M
YoY Change	-80.69%
Cash From Financing Activities	-$29.83M	-33.47M	-21.43M
YoY Change	-70.05%	-74.86%	2.18%
NET CHANGE
Cash From Operating Activities	$31.86M	19.39M	41.38M
Cash From Investing Activities	$206.0K	186.0K	6.445M
Cash From Financing Activities	-$29.83M	-33.47M	-21.43M
Net Change In Cash	$2.241M	-13.90M	26.39M
YoY Change	-102.94%	-109.74%	152.28%
FREE CASH FLOW
Cash From Operating Activities	$31.86M	$19.39M	$41.38M
Capital Expenditures		-$22.00K
Free Cash Flow		$19.41M
YoY Change		-76.15%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001171486
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	12261199	shares
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019Q2	dei	Entity Public Float EntityPublicFloat	318000000	USD
CY2019	dei	Entity Registrant Name EntityRegistrantName	NATURAL RESOURCE PARTNERS LP
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2018	nrp	Deferred Revenue Contractual Minimum Payments DeferredRevenueContractualMinimumPayments	37781000	USD
CY2019	nrp	Deferred Revenue Contractual Minimum Payments DeferredRevenueContractualMinimumPayments	47038000	USD
CY2017	nrp	Depletion And Amortization Expense On Coal And Other Mineral Rights DepletionAndAmortizationExpenseOnCoalAndOtherMineralRights	20100000	USD
CY2018	nrp	Depletion And Amortization Expense On Coal And Other Mineral Rights DepletionAndAmortizationExpenseOnCoalAndOtherMineralRights	17000000	USD
CY2019	nrp	Depletion And Amortization Expense On Coal And Other Mineral Rights DepletionAndAmortizationExpenseOnCoalAndOtherMineralRights	12100000	USD
CY2017	nrp	Depreciation Depletionand Amortization Including Related Parties DepreciationDepletionandAmortizationIncludingRelatedParties	23414000	USD
CY2018	nrp	Depreciation Depletionand Amortization Including Related Parties DepreciationDepletionandAmortizationIncludingRelatedParties	21689000	USD
CY2019	nrp	Depreciation Depletionand Amortization Including Related Parties DepreciationDepletionandAmortizationIncludingRelatedParties	14932000	USD
CY2017	nrp	Diluted Income Lossfrom Continuing Operations Attributableto Parent DilutedIncomeLossfromContinuingOperationsAttributabletoParent	80835000	USD
CY2018	nrp	Diluted Income Lossfrom Continuing Operations Attributableto Parent DilutedIncomeLossfromContinuingOperationsAttributabletoParent	119413000	USD
CY2019	nrp	Diluted Income Lossfrom Continuing Operations Attributableto Parent DilutedIncomeLossfromContinuingOperationsAttributabletoParent	-54306000	USD
CY2017	nrp	Diluted Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest DilutedIncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterest	82485000	USD
CY2018	nrp	Diluted Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest DilutedIncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterest	121850000	USD
CY2019	nrp	Diluted Income Lossfrom Continuing Operations Netof Tax Including Portion Attributableto Noncontrolling Interest DilutedIncomeLossfromContinuingOperationsNetofTaxIncludingPortionAttributabletoNoncontrollingInterest	-55414000	USD
CY2018	nrp	Discount Rate DiscountRate	0.11
CY2019	nrp	Discount Rate DiscountRate	0.15
CY2018	nrp	Distribution Madeto Limited Partner Unit Redemption DistributionMadetoLimitedPartnerUnitRedemption	8844	shares
CY2017	nrp	Generaland Administrative Expenseincludingaffiliates GeneralandAdministrativeExpenseincludingaffiliates	18502000	USD
CY2018	nrp	Generaland Administrative Expenseincludingaffiliates GeneralandAdministrativeExpenseincludingaffiliates	16496000	USD
CY2019	nrp	Generaland Administrative Expenseincludingaffiliates GeneralandAdministrativeExpenseincludingaffiliates	16730000	USD
CY2019	nrp	Weighted Average Useful Life Of Equity Method Investment Difference Between Carrying Amount And Underlying Equity WeightedAverageUsefulLifeOfEquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	P28Y
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2414000	USD
CY2017	nrp	Income Loss Attributableto Parentand Other Incomefrom Warrant Liability Fair Value Adjustments Allocatedto General Partner IncomeLossAttributabletoParentandOtherIncomefromWarrantLiabilityFairValueAdjustmentsAllocatedtoGeneralPartner	1773000	USD
CY2019	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Warrants WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofWarrants	0	shares
CY2018	nrp	Income Loss Attributableto Parentand Other Incomefrom Warrant Liability Fair Value Adjustments Allocatedto General Partner IncomeLossAttributabletoParentandOtherIncomefromWarrantLiabilityFairValueAdjustmentsAllocatedtoGeneralPartner	2791000	USD
CY2019	nrp	Income Loss Attributableto Parentand Other Incomefrom Warrant Liability Fair Value Adjustments Allocatedto General Partner IncomeLossAttributabletoParentandOtherIncomefromWarrantLiabilityFairValueAdjustmentsAllocatedtoGeneralPartner	-1089000	USD
CY2017	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Limited Partners IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoLimitedPartners	55891000	USD
CY2018	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Limited Partners IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoLimitedPartners	90013000	USD
CY2019	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Limited Partners IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoLimitedPartners	-54306000	USD
CY2017	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	25453000	USD
CY2017	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	25500000	USD
CY2018	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	30000000	USD
CY2019	nrp	Income Lossfrom Continuing Operations Including Portion Attributableto Noncontrolling Interest Allocatedto Preferred Unit Holders IncomeLossfromContinuingOperationsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoPreferredUnitHolders	30000000	USD
CY2017	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	1141000	USD
CY2018	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	1837000	USD
CY2019	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	-1108000	USD
CY2017	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partnerand Limited Partners IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartnerandLimitedPartners	57032000	USD
CY2018	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partnerand Limited Partners IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartnerandLimitedPartners	91850000	USD
CY2019	nrp	Income Lossfrom Continuing Operationsand Income Attributableto Preferred Unitholders Including Portion Attributableto Noncontrolling Interest Allocatedto General Partnerand Limited Partners IncomeLossfromContinuingOperationsandIncomeAttributabletoPreferredUnitholdersIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartnerandLimitedPartners	-55414000	USD
CY2017	nrp	Income Lossfrom Continuing Operationsand Other Incomefrom Warrant Liability Fair Value Adjustments Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandOtherIncomefromWarrantLiabilityFairValueAdjustmentsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	1650000	USD
CY2018	nrp	Income Lossfrom Continuing Operationsand Other Incomefrom Warrant Liability Fair Value Adjustments Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandOtherIncomefromWarrantLiabilityFairValueAdjustmentsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	2437000	USD
CY2019	nrp	Income Lossfrom Continuing Operationsand Other Incomefrom Warrant Liability Fair Value Adjustments Including Portion Attributableto Noncontrolling Interest Allocatedto General Partner IncomeLossfromContinuingOperationsandOtherIncomefromWarrantLiabilityFairValueAdjustmentsIncludingPortionAttributabletoNoncontrollingInterestAllocatedtoGeneralPartner	-1108000	USD
CY2018Q4	nrp	Long Term Debt And Debt Affiliate Noncurrent LongTermDebtAndDebtAffiliateNoncurrent	557574000	USD
CY2019Q4	nrp	Long Term Debt And Debt Affiliate Noncurrent LongTermDebtAndDebtAffiliateNoncurrent	470422000	USD
CY2019Q4	nrp	Long Term Debt Maturities Repayments Of Principal LongTermDebtMaturitiesRepaymentsOfPrincipal	524056000	USD
CY2017	nrp	Net Income Loss Allocatedto Common Unitholders Discontinued Operations NetIncomeLossAllocatedtoCommonUnitholdersDiscontinuedOperations	6059000	USD
CY2018	nrp	Net Income Loss Allocatedto Common Unitholders Discontinued Operations NetIncomeLossAllocatedtoCommonUnitholdersDiscontinuedOperations	17333000	USD
CY2019	nrp	Net Income Loss Allocatedto Common Unitholders Discontinued Operations NetIncomeLossAllocatedtoCommonUnitholdersDiscontinuedOperations	937000	USD
CY2017	nrp	Net Income Loss Allocatedto General Partnersand Limited Partners Diluted NetIncomeLossAllocatedtoGeneralPartnersandLimitedPartnersDiluted	88667000	USD
CY2018	nrp	Net Income Loss Allocatedto General Partnersand Limited Partners Diluted NetIncomeLossAllocatedtoGeneralPartnersandLimitedPartnersDiluted	139537000	USD
CY2019	nrp	Net Income Loss Allocatedto General Partnersand Limited Partners Diluted NetIncomeLossAllocatedtoGeneralPartnersandLimitedPartnersDiluted	-54458000	USD
CY2017	nrp	Net Income Loss Availableto Common Stockholders Discontinued Operations Diluted NetIncomeLossAvailabletoCommonStockholdersDiscontinuedOperationsDiluted	6059000	USD
CY2018	nrp	Net Income Loss Availableto Common Stockholders Discontinued Operations Diluted NetIncomeLossAvailabletoCommonStockholdersDiscontinuedOperationsDiluted	17333000	USD
CY2019	nrp	Net Income Loss Availableto Common Stockholders Discontinued Operations Diluted NetIncomeLossAvailabletoCommonStockholdersDiscontinuedOperationsDiluted	937000	USD
CY2017	nrp	Net Income Lossfrom Discontinued Operations Allocatedto General Partner NetIncomeLossfromDiscontinuedOperationsAllocatedtoGeneralPartner	123000	USD
CY2018	nrp	Net Income Lossfrom Discontinued Operations Allocatedto General Partner NetIncomeLossfromDiscontinuedOperationsAllocatedtoGeneralPartner	354000	USD
CY2019	nrp	Net Income Lossfrom Discontinued Operations Allocatedto General Partner NetIncomeLossfromDiscontinuedOperationsAllocatedtoGeneralPartner	19000	USD
CY2019Q4	nrp	Numberof Wholly Owned Operating Companies NumberofWhollyOwnedOperatingCompanies	1	company
CY2017	nrp	Operating Costsand Expenses Including Affiliates OperatingCostsandExpensesIncludingAffiliates	24883000	USD
CY2018	nrp	Operating Costsand Expenses Including Affiliates OperatingCostsandExpensesIncludingAffiliates	29509000	USD
CY2019	nrp	Operating Costsand Expenses Including Affiliates OperatingCostsandExpensesIncludingAffiliates	32738000	USD
CY2017	nrp	Other Comprehensive Income Loss Netof Tax Portion Attributableto Parent Excluding General Partner Distributions OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentExcludingGeneralPartnerDistributions	-1647000	USD
CY2018	nrp	Other Comprehensive Income Loss Netof Tax Portion Attributableto Parent Excluding General Partner Distributions OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentExcludingGeneralPartnerDistributions	-139000	USD
CY2019	nrp	Other Comprehensive Income Loss Netof Tax Portion Attributableto Parent Excluding General Partner Distributions OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentExcludingGeneralPartnerDistributions	800000	USD
CY2019	nrp	Partners Capital Account Unitbased Compensation Amortization PartnersCapitalAccountUnitbasedCompensationAmortization	1804000	USD
CY2019	nrp	Paymentsfor Proceedsfrom Loans Receivable Annual Minimum Payment PaymentsforProceedsfromLoansReceivableAnnualMinimumPayment	5000000	USD
CY2017	nrp	Revenue Net Including Gain Losson Dispositionof Assets RevenueNetIncludingGainLossonDispositionofAssets	246325000	USD
CY2018	nrp	Revenue Net Including Gain Losson Dispositionof Assets RevenueNetIncludingGainLossonDispositionofAssets	278512000	USD
CY2019	nrp	Revenue Net Including Gain Losson Dispositionof Assets RevenueNetIncludingGainLossonDispositionofAssets	263935000	USD
CY2018	nrp	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Grantsin Period Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue	2200000	USD
CY2019	nrp	Sharebased Compensation Arrangementby Sharebased Payment Award Equity Instruments Otherthan Options Grantsin Period Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue	5400000	USD
CY2018Q4	nrp	Unaccrued Cost Associated With Outstanding Grants And Related Distribution Equivalent Rights UnaccruedCostAssociatedWithOutstandingGrantsAndRelatedDistributionEquivalentRights	1200000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	560000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2500000	USD
CY2019Q4	nrp	Unaccrued Cost Associated With Outstanding Grants And Related Distribution Equivalent Rights UnaccruedCostAssociatedWithOutstandingGrantsAndRelatedDistributionEquivalentRights	3500000	USD
CY2017	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Preferred Units WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofPreferredUnits	9418000	shares
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	400000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1200000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2967000	USD
CY2018Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	242000	USD
CY2018	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Preferred Units WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofPreferredUnits	7479000	shares
CY2019	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Preferred Units WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofPreferredUnits	0	shares
CY2017	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Unit Awards WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofUnitAwards	0	shares
CY2018	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Unit Awards WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofUnitAwards	0	shares
CY2019	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Unit Awards WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofUnitAwards	0	shares
CY2017	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Warrants WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofWarrants	300000	shares
CY2018	nrp	Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effectof Warrants WeightedAverageNumberDilutedLimitedPartnershipUnitsOutstandingAdjustmentEffectofWarrants	511000	shares
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-1948000	USD
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	2981000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-10544000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	176203000	USD
CY2018Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	2688000	USD
CY2018Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	13966000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1179000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	32058000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	30869000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	12347000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	8764000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3462000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2594000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	66816000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1200000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4300000	USD
CY2018Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	18038000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	18280000	USD
CY2019Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	484000	USD
CY2019Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	147730000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	148214000	USD
CY2018Q4	us-gaap	Assets Assets	1341647000	USD
CY2019Q4	us-gaap	Assets Assets	1085907000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	242543000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	132084000	USD
CY2018Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	993000	USD
CY2019Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	1706000	USD
CY2018Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	993000	USD
CY2019Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	1706000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	101839000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	98265000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39171000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26980000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	206030000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	98265000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	40371000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	29827000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	206030000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	98265000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-23590000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-510000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-107765000	USD
CY2017	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-7077000	USD
CY2018	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-196509000	USD
CY2019	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	637000	USD
CY2017	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-6264000	USD
CY2018	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	183021000	USD
CY2019	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-629000	USD
CY2017	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	14988000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	10641000	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-8000	USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	87020000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	139388000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	87020000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	139898000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-23590000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	70466000	USD
CY2017	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	240638000	USD
CY2018	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2019	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	687138000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	524056000	USD
CY2018Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	1266000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	0	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	13114000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	7858000	USD
CY2017Q4	us-gaap	Deferred Revenue DeferredRevenue	100605000	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	52553000	USD
CY2019Q4	us-gaap	Deferred Revenue DeferredRevenue	51821000	USD
CY2018Q1	us-gaap	Deferred Revenue DeferredRevenue	35014000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3509000	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	4608000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	49044000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	47213000	USD
CY2018	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	20242000	USD
CY2019	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	47770000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23414000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21689000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	14932000	USD
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	6182000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	23000	USD
CY2016Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	1200000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	2847000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.57
CY2018Q3	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.18
CY2017	us-gaap	Dividends Preferred Stock Paidinkind DividendsPreferredStockPaidinkind	8844000	USD
CY2018Q4	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Liability EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability	0	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.69
CY2018	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	5.90
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	17687000	USD
CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-46000	USD
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	245000	USD
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	7000	USD
CY2019Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	750000	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	956000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	993000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	1706000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable Current DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent	181000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable Current DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent	42000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	766000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2017	us-gaap	Distribution Made To Limited Partner Unit Distribution DistributionMadeToLimitedPartnerUnitDistribution	8844	shares
CY2019Q4	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Liability EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability	0	USD
CY2017	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	43354000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	44453000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	31850000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	40457000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	48306000	USD
CY2019	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	47089000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	247051000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	263080000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	0	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	38596000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	36191000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	508000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1006000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	765000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	738000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	913000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	81109000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	53878000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	42513000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	17687000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3545000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3500000	USD
CY2018Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	651000	USD
CY2018Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	168000	USD
CY2018Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2018Q4	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1622000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	2400000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	2441000	USD
CY2019Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	256000	USD
CY2019Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	246000	USD
CY2019Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	6107000	USD
CY2019Q4	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-111000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	6500000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	6498000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2018Q1	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2018Q2	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2018Q3	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2018Q4	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	25000000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	25000000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-4107000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-29282000	USD
CY2019Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-29282000	USD
CY2017	us-gaap	Gains Losses On Restructuring Of Debt GainsLossesOnRestructuringOfDebt	-7939000	USD
CY2018	us-gaap	Gains Losses On Restructuring Of Debt GainsLossesOnRestructuringOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Restructuring Of Debt GainsLossesOnRestructuringOfDebt	0	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18502000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16496000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16730000	USD
CY2018Q4	us-gaap	General Partners Capital Account GeneralPartnersCapitalAccount	5014000	USD
CY2019Q4	us-gaap	General Partners Capital Account GeneralPartnersCapitalAccount	3270000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	82485000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	26286000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	35129000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	25853000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	35092000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	122360000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	35765000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	19106000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	39163000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-119448000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-25414000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	3.68
CY2018Q1	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.16
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Basic IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitBasic	0.50
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Basic IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitBasic	1.42
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.26
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.93
CY2019Q1	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.75
CY2019Q2	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.85
CY2019Q3	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.66
CY2019Q4	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	-10.15
CY2019	us-gaap	Income Loss From Continuing Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted IncomeLossFromContinuingOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	-4.43
CY2017	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	4.57
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	1.50
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.14
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	1.50
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.21
CY2018	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	7.35
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.53
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	-10.15
CY2019	us-gaap	Income Loss From Continuing Operations Per Outstanding Limited Partnership Unit Basic Net Of Tax IncomeLossFromContinuingOperationsPerOutstandingLimitedPartnershipUnitBasicNetOfTax	-4.43
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Basic IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitBasic	0.08
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted1 IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1	0.28
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted1 IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1	0.86
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Outstanding Limited Partnership Unit Diluted1 IncomeLossFromDiscontinuedOperationsNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted1	0.08
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-184000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1138000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1234000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3919000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6062000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6035000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-7963000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	19000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-3656000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-15957000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	19465000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-732000	USD
CY2017	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-105000	USD
CY2018	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-1138000	USD
CY2019	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-12029000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	478000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-320000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2218000	USD
CY2017	us-gaap	Interest Expense InterestExpense	82028000	USD
CY2018	us-gaap	Interest Expense InterestExpense	70178000	USD
CY2019	us-gaap	Interest Expense InterestExpense	47453000	USD
CY2017	us-gaap	Interest Paid InterestPaid	72850000	USD
CY2018	us-gaap	Interest Paid InterestPaid	64991000	USD
CY2019	us-gaap	Interest Paid InterestPaid	58597000	USD
CY2018Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	14345000	USD
CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2316000	USD
CY2018Q4	us-gaap	Land Land	24008000	USD
CY2019Q4	us-gaap	Land Land	24008000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.135
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	14012000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	11597000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	483000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	483000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	483000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	483000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	483000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	10506000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2019Q4	us-gaap	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P80Y
CY2018Q4	us-gaap	Liabilities Liabilities	756514000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	585292000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1341647000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1085907000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	148746000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	62708000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	947000	USD
CY2019Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	65000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	947000	USD
CY2019Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	65000	USD
CY2018Q4	us-gaap	Limited Partners Capital Account LimitedPartnersCapitalAccount	355113000	USD
CY2019Q4	us-gaap	Limited Partners Capital Account LimitedPartnersCapitalAccount	271471000	USD
CY2018Q4	us-gaap	Limited Partners Capital Account Units Issued LimitedPartnersCapitalAccountUnitsIssued	12249469	shares
CY2019Q4	us-gaap	Limited Partners Capital Account Units Issued LimitedPartnersCapitalAccountUnitsIssued	12261199	shares
CY2018Q4	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	12249469	shares
CY2019Q4	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	12261199	shares
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	672758000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	516198000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	115184000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	45776000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	328664000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	46176000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	31028000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	39396000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	39396000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	39396000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	557574000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	470422000	USD
CY2018Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	38945000	USD
CY2019Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	36963000	USD
CY2018Q4	us-gaap	Mineral Properties Accumulated Depletion MineralPropertiesAccumulatedDepletion	472206000	USD
CY2019Q4	us-gaap	Mineral Properties Accumulated Depletion MineralPropertiesAccumulatedDepletion	443293000	USD
CY2018Q4	us-gaap	Mineral Properties Gross MineralPropertiesGross	1215318000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-6839000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-253305000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3543000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	190628000	USD
CY2019Q4	us-gaap	Mineral Properties Gross MineralPropertiesGross	1048389000	USD
CY2018Q4	us-gaap	Mineral Properties Net MineralPropertiesNet	743112000	USD
CY2019Q4	us-gaap	Mineral Properties Net MineralPropertiesNet	605096000	USD
CY2017	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	5784000	USD
CY2018	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	195690000	USD
CY2019	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-637000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-141226000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-203348000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-252668000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-134149000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	7592000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	9807000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	7607000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	8221000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	127139000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	188923000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	137311000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	112151000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	178282000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	137319000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	88667000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	24338000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	37241000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	28900000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	49058000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	139537000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	35719000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	19351000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	39170000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-118698000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-24458000	USD
CY2017	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	1264000	USD
CY2018	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	2191000	USD
CY2019	us-gaap	Net Income Loss Allocated To General Partners NetIncomeLossAllocatedToGeneralPartners	-1089000	USD
CY2017	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	61950000	USD
CY2018	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	107346000	USD
CY2019	us-gaap	Net Income Loss Allocated To Limited Partners NetIncomeLossAllocatedToLimitedPartners	-53369000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	510000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	63214000	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	16838000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29741000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21400000	USD
CY2018Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	41558000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	109537000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	28219000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11851000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	31670000	USD
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-126198000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-54458000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	86894000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	136746000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-53369000	USD
CY2017	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	3.96
CY2018Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.08
CY2018Q2	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.71
CY2018Q3	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.30
CY2018Q4	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	2.36
CY2018	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	6.76
CY2019Q1	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.75
CY2019Q2	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	0.87
CY2019Q3	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	1.66
CY2019Q4	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	-10.09
CY2019	us-gaap	Net Income Loss Net Of Tax Per Outstanding Limited Partnership Unit Diluted NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted	-4.35
CY2017	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	5.06
CY2018Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	1.35
CY2018Q2	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.38
CY2018Q3	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	1.71
CY2018Q4	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	3.33
CY2018	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	8.77
CY2019Q1	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.26
CY2019Q2	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	0.95
CY2019Q3	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	2.53
CY2019Q4	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	-10.09
CY2019	us-gaap	Net Income Loss Per Outstanding Limited Partnership Unit Basic Net Of Tax NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax	-4.35
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2017	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	24883000	USD
CY2018	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	29509000	USD
CY2019	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	32738000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	69766000	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	85974000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	212614000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	176559000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	44236000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	52863000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	43346000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	52093000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	192538000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	49939000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	60844000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	49594000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-109056000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	51321000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	500000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3500000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3506000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	3500000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3500000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3500000	USD
CY2017	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	4200000	USD
CY2018	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	5000000	USD
CY2019	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	4800000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P29Y
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3475000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6989000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1647000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-149000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	868000	USD
CY2017	us-gaap	Other Expenses OtherExpenses	94074000	USD
CY2018	us-gaap	Other Expenses OtherExpenses	70178000	USD
CY2019	us-gaap	Other Expenses OtherExpenses	76735000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1150000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4949000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	10284000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	7133000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	3687000	USD
CY2018Q4	us-gaap	Partners Capital PartnersCapital	423481000	USD
CY2019Q4	us-gaap	Partners Capital PartnersCapital	338963000	USD
CY2018	us-gaap	Partners Capital Account Unit Based Compensation PartnersCapitalAccountUnitBasedCompensation	546000	USD
CY2019	us-gaap	Partners Capital Account Unit Based Compensation PartnersCapitalAccountUnitBasedCompensation	486000	USD
CY2018Q4	us-gaap	Partners Capital Attributable To Noncontrolling Interest PartnersCapitalAttributableToNoncontrollingInterest	-2935000	USD
CY2019Q4	us-gaap	Partners Capital Attributable To Noncontrolling Interest PartnersCapitalAttributableToNoncontrollingInterest	-2935000	USD
CY2016Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	148136000	USD
CY2017Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	261817000	USD
CY2018Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	420546000	USD
CY2019Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	336028000	USD
CY2017	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-1151000	USD
CY2018	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-2449000	USD
CY2019	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-6500000	USD
CY2017	us-gaap	Payments To Acquire Mineral Rights PaymentsToAcquireMineralRights	0	USD
CY2018	us-gaap	Payments To Acquire Mineral Rights PaymentsToAcquireMineralRights	0	USD
CY2019	us-gaap	Payments To Acquire Mineral Rights PaymentsToAcquireMineralRights	22000	USD
CY2018Q4	us-gaap	Preferred Units Issued PreferredUnitsIssued	250000	shares
CY2019Q4	us-gaap	Preferred Units Issued PreferredUnitsIssued	250000	shares
CY2018Q4	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	250000	shares
CY2019Q4	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	250000	shares
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3462000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	1244000	USD
CY2017	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	3010000	USD
CY2018	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	3061000	USD
CY2019	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	1743000	USD
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	5646000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	2097000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	242100000	USD
CY2018	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	180688000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	35000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	300000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-39091000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-228000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-26436000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	88667000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	24338000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	38110000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	28541000	USD
CY2018Q4	us-gaap	Profit Loss ProfitLoss	49058000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	140047000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	35719000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	19351000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	39170000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	-118698000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-24458000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2400000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-100000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7500000	USD
CY2017	us-gaap	Provision For Other Losses ProvisionForOtherLosses	2353000	USD
CY2018	us-gaap	Provision For Other Losses ProvisionForOtherLosses	-62000	USD
CY2019	us-gaap	Provision For Other Losses ProvisionForOtherLosses	7462000	USD
CY2018Q4	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	40776000	USD
CY2019Q4	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	38945000	USD
CY2019	us-gaap	Redemption Premium RedemptionPremium	18100000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	492319000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	175706000	USD
CY2018Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	104191000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	463082000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	202765000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	210348000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	68287000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	13812000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	9718000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	44757000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P9Y1M15D
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y3M
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P6Y2M
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P11Y11M
CY2017	us-gaap	Revenues Revenues	242780000	USD
CY2018Q1	us-gaap	Revenues Revenues	59478000	USD
CY2018Q2	us-gaap	Revenues Revenues	69451000	USD
CY2018Q3	us-gaap	Revenues Revenues	58207000	USD
CY2018Q4	us-gaap	Revenues Revenues	63935000	USD
CY2018	us-gaap	Revenues Revenues	251071000	USD
CY2019Q1	us-gaap	Revenues Revenues	66785000	USD
CY2019Q2	us-gaap	Revenues Revenues	81223000	USD
CY2019Q3	us-gaap	Revenues Revenues	57602000	USD
CY2019Q4	us-gaap	Revenues Revenues	51827000	USD
CY2019	us-gaap	Revenues Revenues	257437000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	18000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	1434000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2361000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	800000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	37.33
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	15000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	129000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	55000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	157000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	12000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	41.41
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P2Y
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	41.47
CY2018Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	29.10
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	37.48
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	164587000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	164587000	USD
CY2018Q4	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	1500
CY2019Q4	us-gaap	Temporary Equity Liquidation Preference Per Share TemporaryEquityLiquidationPreferencePerShare	1500
CY2018Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	1000
CY2019Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	1000
CY2017	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
CY2018	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
CY2019	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	30000000	USD
CY2018Q4	us-gaap	Warrants And Rights Outstanding WarrantsAndRightsOutstanding	66816000	USD
CY2019Q4	us-gaap	Warrants And Rights Outstanding WarrantsAndRightsOutstanding	66816000	USD
CY2017Q1	us-gaap	Warrants And Rights Outstanding WarrantsAndRightsOutstanding	66816000	USD
CY2017	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12232000	shares
CY2018Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12238000	shares
CY2018Q2	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12246000	shares
CY2018Q3	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12246000	shares
CY2018Q4	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12247000	shares
CY2018	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12244000	shares
CY2019Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12255000	shares
CY2019Q2	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12261000	shares
CY2019Q3	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12261000	shares
CY2019Q4	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12261000	shares
CY2019	us-gaap	Weighted Average Limited Partnership Units Outstanding WeightedAverageLimitedPartnershipUnitsOutstanding	12260000	shares
CY2017	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	21950000	shares
CY2018Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	22125000	shares
CY2018Q2	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	21383000	shares
CY2018Q3	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	21840000	shares
CY2018Q4	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	20394000	shares
CY2018	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	20234000	shares
CY2019Q1	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	20015000	shares
CY2019Q2	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	13388000	shares
CY2019Q3	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	23157000	shares
CY2019Q4	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	12261000	shares
CY2019	us-gaap	Weighted Average Limited Partnership Units Outstanding Diluted WeightedAverageLimitedPartnershipUnitsOutstandingDiluted	12260000	shares
CY2019	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	10400000	USD
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Preparation of the accompanying financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities on the accompanying Consolidated Balance Sheets, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses on the accompanying Consolidated Statements of Comprehensive Income (Loss) during the reporting period. Actual results could differ from those estimates. The most significant estimates pertain to coal and aggregates reserves and related cash flow estimates which are used to compute depreciation, depletion and amortization and impairments of coal and aggregates properties and related intangible assets and commitments and contingencies. </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>

Files In Submission

Name	View Source	Status
0001171486-20-000006-index-headers.html	Edgar Link	pending
0001171486-20-000006-index.html	Edgar Link	pending
0001171486-20-000006.txt	Edgar Link	pending
0001171486-20-000006-xbrl.zip	Edgar Link	pending
a2019form10-k.htm	Edgar Link	pending
a2019ilb.jpg	Edgar Link	pending
a2019nprb.jpg	Edgar Link	pending
a2019q4exhibit1013.htm	Edgar Link	pending
a2019q4exhibit1014.htm	Edgar Link	pending
a2019q4exhibit1015.htm	Edgar Link	pending
a2019q4exhibit211.htm	Edgar Link	pending
a2019q4exhibit231.htm	Edgar Link	pending
a2019q4exhibit232.htm	Edgar Link	pending
a2019q4exhibit311.htm	Edgar Link	pending
a2019q4exhibit312.htm	Edgar Link	pending
a2019q4exhibit321.htm	Edgar Link	pending
a2019q4exhibit322.htm	Edgar Link	pending
a2019q4exhibit991.htm	Edgar Link	pending
a2019sapp.jpg	Edgar Link	pending
capp2019.jpg	Edgar Link	pending
capturea02.jpg	Edgar Link	pending
cinerresourceslp1231a23.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
napp2019.jpg	Edgar Link	pending
nrp-20191231.xml	Edgar Link	completed
nrp-20191231.xsd	Edgar Link	pending
nrp-20191231_cal.xml	Edgar Link	unprocessable
nrp-20191231_def.xml	Edgar Link	unprocessable
nrp-20191231_lab.xml	Edgar Link	unprocessable
nrp-20191231_pre.xml	Edgar Link	unprocessable
q42019exhibit425.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$NRP
NATURAL RESOURCE PARTNERS LP Stock $nrp

2020 Q1 Form 10-K Financial Statement

#000117148620000006 Filed on February 27, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NRP NATURAL RESOURCE PARTNERS LP Stock $nrp

2020 Q1 Form 10-K Financial Statement

#000117148620000006 Filed on February 27, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NRP
NATURAL RESOURCE PARTNERS LP Stock $nrp