Document_and_Entity_Informatio
Document and Entity Information | 6 Months Ended | |
Jun. 30, 2014 | Aug. 08, 2014 | |
Document And Entity Information [Abstract] | ' | ' |
Document Type | '10-Q | ' |
Amendment Flag | 'false | ' |
Document Period End Date | 30-Jun-14 | ' |
Document Fiscal Year Focus | '2014 | ' |
Document Fiscal Period Focus | 'Q2 | ' |
Trading Symbol | 'NRP | ' |
Entity Registrant Name | 'NATURAL RESOURCE PARTNERS LP | ' |
Entity Central Index Key | '0001171486 | ' |
Current Fiscal Year End Date | '--12-31 | ' |
Entity Filer Category | 'Large Accelerated Filer | ' |
Entity Common Stock, Shares Outstanding | ' | 111,250,522 |
CONSOLIDATED_BALANCE_SHEETS
CONSOLIDATED BALANCE SHEETS (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified | ||
Current assets: | ' | ' |
Cash and cash equivalents | $70,013 | $92,513 |
Accounts receivable, net of allowance for doubtful accounts | 34,718 | 33,737 |
Accounts receivable - affiliates | 9,018 | 7,666 |
Other | 1,291 | 1,691 |
Total current assets | 115,040 | 135,607 |
Land | 24,340 | 24,340 |
Plant and equipment, net | 24,035 | 26,435 |
Mineral rights, net | 1,391,439 | 1,405,455 |
Intangible assets, net | 59,549 | 66,950 |
Equity and other unconsolidated investments | 262,661 | 269,338 |
Loan financing costs, net | 10,357 | 11,502 |
Long-term contracts receivable - affiliates | 50,787 | 51,732 |
Other assets | 600 | 497 |
Total assets | 1,938,808 | 1,991,856 |
Current liabilities: | ' | ' |
Accounts payable and accrued liabilities | 11,765 | 8,659 |
Accounts payable - affiliates | 445 | 391 |
Current portion of long-term debt | 80,983 | 80,983 |
Accrued incentive plan expenses - current portion | 6,880 | 8,341 |
Property, franchise and other taxes payable | 6,981 | 7,830 |
Accrued interest | 15,412 | 17,184 |
Total current liabilities | 122,466 | 123,388 |
Deferred revenue | 149,685 | 142,586 |
Accrued incentive plan expenses | 6,071 | 10,526 |
Other non-current liabilities | 9,712 | 14,341 |
Long-term debt | 1,033,041 | 1,084,226 |
Partners' capital: | ' | ' |
Common units outstanding: (110,869,513 and 109,812,408) | 609,001 | 606,774 |
General partner's interest | 10,124 | 10,069 |
Non-controlling interest | -650 | 324 |
Accumulated other comprehensive loss | -642 | -378 |
Total partners' capital | 617,833 | 616,789 |
Total liabilities and partners' capital | $1,938,808 | $1,991,856 |
CONSOLIDATED_BALANCE_SHEETS_Pa
CONSOLIDATED BALANCE SHEETS (Parenthetical) | Jun. 30, 2014 | Dec. 31, 2013 |
Statement Of Financial Position [Abstract] | ' | ' |
Common units outstanding | 110,869,513 | 109,812,408 |
CONSOLIDATED_STATEMENTS_OF_COM
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited ) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, except Per Share data, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Revenues and other income: | ' | ' | ' | ' |
Coal related revenues | $55,361 | $67,407 | $107,734 | $145,250 |
Aggregate related revenues | 3,563 | 2,899 | 6,959 | 5,855 |
Oil and gas related revenues | 17,822 | 4,093 | 27,880 | 5,856 |
Equity and other unconsolidated investment income | 9,401 | 7,882 | 19,180 | 14,930 |
Property taxes | 3,378 | 3,849 | 7,345 | 7,796 |
Other | 1,036 | 674 | 1,772 | 1,449 |
Total revenues and other income | 90,561 | 86,804 | 170,870 | 181,136 |
Operating expenses: | ' | ' | ' | ' |
Depreciation, depletion and amortization | 16,350 | 17,411 | 30,997 | 32,173 |
Asset impairments | 5,624 | 443 | 5,624 | 734 |
General and administrative | 9,029 | 8,878 | 14,886 | 20,464 |
Property, franchise and other taxes | 6,201 | 4,225 | 11,069 | 8,576 |
Oil and gas lease operating expense | 2,291 | ' | 4,212 | ' |
Transportation costs | 462 | 328 | 884 | 787 |
Royalty payments | 201 | 187 | 356 | 542 |
Total operating expenses | 40,158 | 31,472 | 68,028 | 63,276 |
Income from operations | 50,403 | 55,332 | 102,842 | 117,860 |
Other income (expense) | ' | ' | ' | ' |
Interest expense | -19,037 | -14,440 | -38,897 | -29,103 |
Interest income | 41 | 173 | 67 | 214 |
Income before non-controlling interest | 31,407 | 41,065 | 64,012 | 88,971 |
Non-controlling interest | 0 | ' | 0 | ' |
Net income | 31,407 | 41,065 | 64,012 | 88,971 |
Net income attributable to: | ' | ' | ' | ' |
General partner | 628 | 821 | 1,280 | 1,779 |
Limited partners | 30,779 | 40,244 | 62,732 | 87,192 |
Basic and diluted net income per limited partner unit | $0.28 | $0.37 | $0.57 | $0.80 |
Weighted average number of units outstanding | 110,403 | 109,812 | 110,127 | 109,352 |
Comprehensive income | $31,243 | $41,116 | $63,748 | $89,076 |
CONSOLIDATED_STATEMENTS_OF_CAS
CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) | 6 Months Ended | |
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 |
Cash flows from operating activities: | ' | ' |
Net income | $64,012 | $88,971 |
Adjustments to reconcile net income to net cash provided by operating activities: | ' | ' |
Depreciation, depletion and amortization | 30,997 | 32,173 |
Gain on reserve swap | 0 | -8,149 |
Equity and other unconsolidated investment income | -19,180 | -14,930 |
Distributions of earnings from unconsolidated investments | 21,935 | 16,162 |
Non-cash interest charge, net | 1,468 | 555 |
Gain on sale of assets | 0 | -150 |
Asset impairment | 5,624 | 734 |
Change in operating assets and liabilities: | ' | ' |
Accounts receivable | -3,685 | 4,250 |
Other assets | 318 | -2,985 |
Accounts payable and accrued liabilities | -413 | 221 |
Accrued interest | -1,772 | -576 |
Deferred revenue | 7,099 | 9,951 |
Accrued incentive plan expenses | -5,916 | -1,219 |
Property, franchise and other taxes payable | -849 | -1,359 |
Net cash provided by operating activities | 99,638 | 123,649 |
Cash flows from investing activities: | ' | ' |
Acquisition of plant and equipment | -135 | ' |
Acquisition of mineral rights | -768 | ' |
Oil and gas capital expenditures | -8,123 | ' |
Acquisition of equity interests | 0 | -292,979 |
Distributions from unconsolidated affiliates | 3,633 | 10,777 |
Proceeds from sale of assets | 0 | 154 |
Return on direct financing lease and contractual override | 600 | 555 |
Net cash used in investing activities | -4,793 | -281,493 |
Cash flows from financing activities: | ' | ' |
Proceeds from loans | 2,000 | 243,000 |
Repayment of loans | -53,483 | -79,538 |
Deferred financing costs | 0 | -1,621 |
Proceeds from issuance of units | 13,842 | 75,000 |
Capital contribution by general partner | 347 | 1,531 |
Costs associated with equity transactions | -438 | -60 |
Distributions to partners | -79,613 | -124,688 |
Net cash provided by (used in) financing activities | -117,345 | 113,624 |
Net (decrease) in cash and cash equivalents | -22,500 | -44,220 |
Cash and cash equivalents at beginning of period | 92,513 | 149,424 |
Cash and cash equivalents at end of period | 70,013 | 105,204 |
Supplemental cash flow information: | ' | ' |
Cash paid during the period for interest | $39,135 | $29,085 |
CONSOLIDATED_STATEMENTS_OF_PAR
CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL (Unaudited) (USD $) | Total | General Partner [Member] | Common Stock [Member] | Non-Controlling Interest [Member] | Accumulated Other Comprehensive Income (Loss) [Member] |
In Thousands, except Share data | |||||
Balance at Dec. 31, 2013 | $616,789 | $10,069 | $606,774 | $324 | ($378) |
Balance, units at Dec. 31, 2013 | ' | ' | 109,812,408 | ' | ' |
Issuance of common units | 17,000 | ' | 17,000 | ' | ' |
Issuance of common units, shares | ' | ' | 1,057,105 | ' | ' |
Capital contribution | 347 | 347 | ' | ' | ' |
Cost associated with equity transactions | -438 | ' | -438 | ' | ' |
Distributions | -79,613 | -1,572 | -77,067 | -974 | ' |
Net income | 64,012 | 1,280 | 62,732 | ' | ' |
Interest rate swap from unconsolidated investments | -288 | ' | ' | ' | -288 |
Loss on interest hedge | 24 | ' | ' | ' | 24 |
Comprehensive income | 63,748 | ' | ' | ' | -264 |
Balance at Jun. 30, 2014 | $617,833 | $10,124 | $609,001 | ($650) | ($642) |
Balance, units at Jun. 30, 2014 | ' | ' | 110,869,513 | ' | ' |
Basis_of_Presentation_and_Orga
Basis of Presentation and Organization | 6 Months Ended |
Jun. 30, 2014 | |
Accounting Policies [Abstract] | ' |
Basis of Presentation and Organization | ' |
1. Basis of Presentation and Organization | |
The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the six months ended June 30, 2014 are not necessarily indicative of the results that may be expected for future periods. | |
You should refer to the information contained in the footnotes included in Natural Resource Partners L.P.’s 2013 Annual Report on Form 10-K in connection with the reading of these unaudited interim consolidated financial statements. | |
Natural Resource Partners L.P. (the “Partnership”) engages principally in the business of owning, managing and leasing mineral properties in the United States. The Partnership owns coal reserves in the three major coal-producing regions of the United States: Appalachia, the Illinois Basin and the Western United States, as well as lignite reserves in the Gulf Coast region. The Partnership also owns aggregate reserves in several states across the country. The Partnership does not operate any mines on its properties, but leases reserves to experienced operators under long-term leases that grant the operators the right to mine the Partnership’s reserves in exchange for royalty payments. Lessees are generally required to make payments based on the higher of a percentage of the gross sales price or a fixed royalty per ton, in addition to a minimum payment. | |
The Partnership also owns various oil and gas interests that are located principally in the Appalachian Basin, Louisiana, Oklahoma, and the Williston Basin in North Dakota and Montana, and the Partnership manages infrastructure assets through its ownership of preparation plants and coal handling facilities. The Partnership owns a non-controlling equity interest in OCI Wyoming LLC (“OCI Wyoming”), which operates a trona ore mining operation and a soda ash refinery in the Green River Basin, Wyoming. See “Note 4. Equity and Other Investments” for more information concerning this acquisition. | |
The general partner of the Partnership is NRP (GP) LP, a Delaware limited partnership, whose general partner is GP Natural Resource Partners LLC, a Delaware limited liability company. |
Significant_Accounting_Policie
Significant Accounting Policies Update | 6 Months Ended | ||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||
Accounting Policies [Abstract] | ' | ||||||||||||||||||||||||
Significant Accounting Policies Update | ' | ||||||||||||||||||||||||
2. Significant Accounting Policies Update | |||||||||||||||||||||||||
Reclassification | |||||||||||||||||||||||||
Certain reclassifications have been made to the Consolidated Statements of Comprehensive Income. Amounts relating to prior year’s coal royalties, processing fees, transportation fees, minimums recognized as revenue, override royalties and other have been reclassified into a single line item “Coal related revenues” on this year’s Consolidated Statements of Comprehensive Income. Amounts relating to prior year’s aggregates royalties, processing fees, minimums recognized as revenue, override royalties and other have been reclassified into a single line item “Aggregates related revenues” on this year’s Consolidated Statements of Comprehensive Income. The following is reclassification reconciliation: | |||||||||||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||||||||||
June 30, 2013 | June 30, 2013 | ||||||||||||||||||||||||
As | As | As | As | ||||||||||||||||||||||
Reported | Reclassified | Reported | Reclassified | ||||||||||||||||||||||
Total | Coal | Aggregate | Total | Coal | Aggregate | ||||||||||||||||||||
Related | Related | Related | Related | ||||||||||||||||||||||
Revenues | Revenues | Revenues | Revenues | ||||||||||||||||||||||
Revenues: | |||||||||||||||||||||||||
Coal royalties | $ | 58,210 | $ | 58,210 | $ | — | $ | 112,652 | $ | 112,652 | $ | — | |||||||||||||
Equity and other unconsolidated investment income | 7,882 | — | — | 14,930 | — | — | |||||||||||||||||||
Aggregate royalties | 1,751 | — | 1,751 | 3,303 | — | 3,303 | |||||||||||||||||||
Processing fees | 1,329 | 1,198 | 131 | 2,509 | 2,248 | 261 | |||||||||||||||||||
Transportation fees | 3,832 | 3,832 | — | 8,757 | 8,757 | — | |||||||||||||||||||
Oil and gas royalties | 4,093 | — | — | 5,856 | — | — | |||||||||||||||||||
Property taxes | 3,849 | — | — | 7,796 | — | — | |||||||||||||||||||
Minimums recognized as revenue | 836 | 549 | 287 | 5,427 | 5,005 | 422 | |||||||||||||||||||
Override royalties | 3,179 | 2,582 | 597 | 8,084 | 6,444 | 1,640 | |||||||||||||||||||
Other | 1,843 | 1,036 | 133 | 11,822 | 10,144 | 229 | |||||||||||||||||||
Total revenues | $ | 86,804 | $ | 67,407 | $ | 2,899 | $ | 181,136 | $ | 145,250 | $ | 5,855 | |||||||||||||
Recent Accounting Pronouncements | |||||||||||||||||||||||||
Accounting standards that have been issued by the FASB or other standards-setting bodies are not expected to have a material impact on the Partnership’s financial position, results of operations or cash flows. |
Recent_Acquisitions
Recent Acquisitions | 6 Months Ended |
Jun. 30, 2014 | |
Business Combinations [Abstract] | ' |
Recent Acquisitions | ' |
3. Recent Acquisitions | |
Sundance. On December 19, 2013, the Company completed the acquisition of non-operated working interests in oil and gas properties in the Williston Basin of North Dakota from Sundance Energy, Inc. for $29.4 million, following post-closing purchase price adjustments. The Partnership accounted for the transaction in accordance with the authoritative guidance for business combinations. The identification of all assets acquired and liabilities assumed as well as the valuation process required for the allocation of the purchase price is not complete. Pending the receipt of the final valuation report from a third-party valuation firm and the subsequent allocation, the assets acquired are included in Oil and gas interests in the accompanying Balance Sheet. | |
Abraxas. On August 9, 2013, the Company completed the acquisition of non-operated working interests in oil and gas properties in the Williston Basin of North Dakota and Montana from Abraxas Petroleum for $38.0 million, following post-closing purchase price adjustments. The Partnership accounted for the transaction in accordance with the authoritative guidance for business combination. During the second quarter of 2014, the Partnership finalized the determination of the fair values of the assets acquired and liabilities assumed in the acquisition, with no material adjustments. The assets acquired are included in mineral rights in the accompanying Consolidated Balance Sheets. | |
Abraxas and Sundance combined revenues of $21.3 million and lease operating expenses of $4.2 million for the six months ended June 30, 2014 are included in oil and gas related revenues and operating expenses in the Consolidated Statements of Comprehensive Income, respectively. |
Equity_and_Other_Investments
Equity and Other Investments | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Equity Method Investments And Joint Ventures [Abstract] | ' | ||||||||||||||||
Equity and Other Investments | ' | ||||||||||||||||
4. Equity and Other Investments | |||||||||||||||||
The following summarized results of operations were taken from the OCI Wyoming-prepared unaudited financial statements. | |||||||||||||||||
Operating results: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
Sales | $ | 112,970 | $ | 110,762 | $ | 229,211 | $ | 218,992 | |||||||||
Gross profit | $ | 27,604 | $ | 22,372 | $ | 54,723 | $ | 43,315 | |||||||||
Net income | $ | 22,145 | $ | 18,589 | $ | 45,157 | $ | 36,958 | |||||||||
Income allocation to NRP’s equity interests | $ | 10,851 | $ | 8,565 | $ | 22,127 | $ | 16,161 | |||||||||
Less amortization of basis difference | (1,450 | ) | (683 | ) | (2,947 | ) | (1,231 | ) | |||||||||
Equity and other unconsolidated investment income | $ | 9,401 | $ | 7,882 | $ | 19,180 | $ | 14,930 | |||||||||
For the three and six months ended June 30, 2014, the Partnership derived 10% and 11%, respectively, of its revenues and other income from its equity investment in OCI Wyoming. For the same periods of 2013, the Partnership derived 9% and 8%, respectively, of its revenues and other income from its equity investment in OCI Wyoming. | |||||||||||||||||
The terms of the OCI Wyoming acquisition agreement included provisions for the payment of contingent consideration to Anadarko Holding Company if OCI Wyoming achieves certain earnings results in 2013, 2014 or 2015. The Partnership projected that the contingency would be $15 million at December 31, 2013. | |||||||||||||||||
The Partnership’s contingent consideration consists of the following: | |||||||||||||||||
June 30, | |||||||||||||||||
2014 | |||||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Contingent consideration, January 1, 2014 | $ | 15,000 | |||||||||||||||
Less: consideration paid during the period | (491 | ) | |||||||||||||||
Contingent consideration, end of the period | 14,509 | ||||||||||||||||
Less: current portion of contingent consideration | (4,900 | ) | |||||||||||||||
Long-term contingent consideration | $ | 9,609 | |||||||||||||||
The current portion is included in accounts payable and accrued liabilities and the long term portion is included in other non-current liabilities. | |||||||||||||||||
In March 2014, Anadarko Holding Company (Anadarko) gave written notice to the Partnership that Anadarko believes the reorganization transactions that occurred at OCI Wyoming in July 2013 triggered an acceleration of the Partnership’s obligation to pay the additional contingent consideration in full and demanded immediate payment of such amount. The Partnership does not believe the reorganization transactions triggered an obligation to pay the additional contingent consideration, and the Partnership will continue to engage in discussions with Anadarko to resolve the issue. However, if Anadarko were to prevail on such claim, the Partnership would be required to pay an amount to Anadarko in excess of the $15 million accrual described above up to the net present value of $50 million (the maximum amount of the additional contingent consideration). Any such additional amount would be considered to be additional acquisition consideration and added to Equity and other unconsolidated investments. |
Plant_and_Equipment
Plant and Equipment | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Property Plant And Equipment [Abstract] | ' | ||||||||
Plant and Equipment | ' | ||||||||
5. Plant and Equipment | |||||||||
The Partnership’s plant and equipment consist of the following: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Work in process | $ | 135 | $ | — | |||||
Plant and equipment at cost | 55,271 | 55,271 | |||||||
Less accumulated depreciation | (31,371 | ) | (28,836 | ) | |||||
Net book value | $ | 24,035 | $ | 26,435 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total depreciation expense on plant and equipment | $ | 2,535 | $ | 3,133 | |||||
Mineral_Rights
Mineral Rights | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Extractive Industries [Abstract] | ' | ||||||||
Mineral Rights | ' | ||||||||
6. Mineral Rights | |||||||||
The Partnership’s mineral rights consist of the following: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Mineral rights | $ | 1,907,589 | $ | 1,894,920 | |||||
Less accumulated depletion and amortization | (516,150 | ) | (489,465 | ) | |||||
Net book value | $ | 1,391,439 | $ | 1,405,455 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total depletion and amortization expense on mineral rights | $ | 26,685 | $ | 27,338 | |||||
On April 7, 2014, one of the Partnership’s lessees, James River Coal Company, filed for protection under Chapter 11 of the U.S. Bankruptcy Code. As of June 30, 2014, the net book value of the Partnership’s properties leased to James River was approximately $35 million, net of previously paid minimums. At this stage in the bankruptcy process, it is unknown whether the Partnership’s leases will be accepted or rejected in the bankruptcy process or assigned to a third party in connection with a sale. However, if the Partnership’s leases are rejected in the bankruptcy or if mining operations on the Partnership’s properties cease, the Partnership may determine that some or all of such properties are impaired. In the first six months of 2014, James River accounted for approximately 1% of total revenues and other income, and for the year ended December 31, 2013, it represented 2% of total revenues and other income. The Partnership does not expect the resolution of the bankruptcy to have a material impact on its revenues and other income. The Partnership will continue to monitor these properties for potential impairment as the bankruptcy proceedings progress. |
Intangible_Assets
Intangible Assets | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Goodwill And Intangible Assets Disclosure [Abstract] | ' | ||||||||
Intangible Assets | ' | ||||||||
7. Intangible Assets | |||||||||
Amounts recorded as intangible assets along with the balances and accumulated amortization are reflected in the table below: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Contract intangibles | $ | 83,700 | $ | 89,421 | |||||
Less accumulated amortization | (24,151 | ) | (22,471 | ) | |||||
Net book value | $ | 59,549 | $ | 66,950 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total amortization expense on intangible assets | $ | 1,777 | $ | 1,702 | |||||
During the second quarter of 2014, the Partnership recognized an impairment expense of $5.6 million relating to an above market contract on an aggregates property. The asset impairment expense is included in Operating costs and expenses on the Consolidated Statements of Comprehensive Income. | |||||||||
The estimates of future amortization expense relating to intangible assets for the periods indicated below are based on current mining plans, which are subject to revision in future periods. | |||||||||
Estimated | |||||||||
Amortization | |||||||||
Expense | |||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Remainder of 2014 | $ | 1,319 | |||||||
For year ended December 31, 2015 | 3,513 | ||||||||
For year ended December 31, 2016 | 3,470 | ||||||||
For year ended December 31, 2017 | 3,470 | ||||||||
For year ended December 31, 2018 | 3,470 |
LongTerm_Debt
Long-Term Debt | 6 Months Ended | ||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||
Debt Disclosure [Abstract] | ' | ||||||||||||||||||||||||
Long-Term Debt | ' | ||||||||||||||||||||||||
8. Long-Term Debt | |||||||||||||||||||||||||
As used in this Note 8, references to “NRP LP” refer to Natural Resource Partners L.P. only, and not to NRP (Operating) LLC or any of Natural Resource Partners L.P.’s other subsidiaries. References to “Opco” refer to NRP (Operating) LLC and its subsidiaries. References to NRP Oil and Gas refer to NRP Oil and Gas LLC, a wholly owned subsidiary of NRP LP. NRP Finance Corporation (NRP Finance) is a wholly owned subsidiary of NRP LP and a co-issuer with NRP LP on the 9.125% senior notes. | |||||||||||||||||||||||||
Long-term debt consists of the following: | |||||||||||||||||||||||||
June 30, | December 31, | ||||||||||||||||||||||||
2014 | 2013 | ||||||||||||||||||||||||
(In thousands) | |||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||
NRP LP Debt: | |||||||||||||||||||||||||
$300 million 9.125% senior notes, with semi-annual interest payments in April and October, maturing October 2018, issued at 99.007% | $ | 297,468 | $ | 297,170 | |||||||||||||||||||||
Opco Debt: | |||||||||||||||||||||||||
$300 million floating rate revolving credit facility, due August 2016 | 15,000 | 20,000 | |||||||||||||||||||||||
$200 million floating rate term loan, due January 2016 | 99,000 | 99,000 | |||||||||||||||||||||||
4.91% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2018 | 18,467 | 23,084 | |||||||||||||||||||||||
8.38% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2019 | 107,143 | 128,571 | |||||||||||||||||||||||
5.05% senior notes, with semi-annual interest payments in January and July, with annual principal payments in July, maturing in July 2020 | 53,846 | 53,846 | |||||||||||||||||||||||
5.31% utility local improvement obligation, with annual principal and interest payments, maturing in March 2021 | 1,346 | 1,538 | |||||||||||||||||||||||
5.55% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2023 | 24,300 | 27,000 | |||||||||||||||||||||||
4.73% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2023 | 75,000 | 75,000 | |||||||||||||||||||||||
5.82% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2024 | 150,000 | 165,000 | |||||||||||||||||||||||
8.92% senior notes, with semi-annual interest payments in March and September, with scheduled principal payments beginning March 2014, maturing in March 2024 | 45,454 | 50,000 | |||||||||||||||||||||||
5.03% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 | 175,000 | 175,000 | |||||||||||||||||||||||
5.18% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 | 50,000 | 50,000 | |||||||||||||||||||||||
NRP Oil and Gas Debt: | |||||||||||||||||||||||||
Reserve-based floating rate revolving credit facility due 2018 | 2,000 | — | |||||||||||||||||||||||
Total debt | 1,114,024 | 1,165,209 | |||||||||||||||||||||||
Less – current portion of long term debt | (80,983 | ) | (80,983 | ) | |||||||||||||||||||||
Long-term debt | $ | 1,033,041 | $ | 1,084,226 | |||||||||||||||||||||
NRP LP Debt | |||||||||||||||||||||||||
Senior Notes. In September 2013, NRP LP, together with NRP Finance as co-issuer, issued $300 million of 9.125% senior notes at an offering price of 99.007% of par value. Net proceeds after expenses from the issuance of the senior notes of approximately $289.0 million were used to repay all of the outstanding borrowings under Opco’s revolving credit facility and $91.0 million of Opco’s term loan. The senior notes call for semi-annual interest payments on April 1 and October 1 of each year. The notes will mature on October 1, 2018. | |||||||||||||||||||||||||
The indenture for the senior notes contains covenants that, among other things, limit the ability of NRP LP and certain of its subsidiaries to incur or guarantee additional indebtedness. Under the indenture, NRP LP and certain of its subsidiaries generally are not permitted to incur additional indebtedness unless, on a consolidated basis, the fixed charge coverage ratio (as defined in the indenture) is at least 2.0 to 1.0 for the four preceding full fiscal quarters. The ability of NRP LP and certain of its subsidiaries to incur additional indebtedness is further limited in the event the amount of indebtedness of NRP LP and certain of its subsidiaries that is senior to NRP LP’s unsecured indebtedness exceeds certain thresholds. | |||||||||||||||||||||||||
Opco Debt | |||||||||||||||||||||||||
Senior Notes. Opco made principal payments of $48.3 million on its senior notes during the six months ended June 30, 2014. The Opco senior note purchase agreement contains covenants requiring Opco to: | |||||||||||||||||||||||||
• | Maintain a ratio of consolidated indebtedness to consolidated EBITDDA (as defined in the note purchase agreement) of no more than 4.0 to 1.0 for the four most recent quarters; | ||||||||||||||||||||||||
• | not permit debt secured by certain liens and debt of subsidiaries to exceed 10% of consolidated net tangible assets (as defined in the note purchase agreement); and | ||||||||||||||||||||||||
• | maintain the ratio of consolidated EBITDDA to consolidated fixed charges (consisting of consolidated interest expense and consolidated operating lease expense) at not less than 3.5 to 1.0. | ||||||||||||||||||||||||
The 8.38% and 8.92% senior notes also provide that in the event that Opco’s leverage ratio exceeds 3.75 to 1.00 at the end of any fiscal quarter, then in addition to all other interest accruing on these notes, additional interest in the amount of 2.00% per annum shall accrue on the notes for the two succeeding quarters and for as long thereafter as the leverage ratio remains above 3.75 to 1.00. | |||||||||||||||||||||||||
Revolving Credit Facility. The weighted average interest rates for the debt outstanding under Opco’s revolving credit facility for the six months ended June 30, 2014 and year ended December 31, 2013 were 1.97% and 2.23%, respectively. Opco incurs a commitment fee on the undrawn portion of the revolving credit facility at rates ranging from 0.18% to 0.40% per annum. The facility includes an accordion feature whereby Opco may request its lenders to increase their aggregate commitment to a maximum of $500 million on the same terms. At June 30, 2014 Opco had $15 million drawn under the credit facility. | |||||||||||||||||||||||||
Opco’s revolving credit facility contains covenants requiring Opco to maintain: | |||||||||||||||||||||||||
• | a ratio of consolidated indebtedness to consolidated EBITDDA (as defined in the credit agreement) not to exceed 4.0 to 1.0 and, | ||||||||||||||||||||||||
• | a ratio of consolidated EBITDDA to consolidated fixed charges (consisting of consolidated interest expense and consolidated lease operating expense) of not less than 3.5 to 1.0 for the four most recent quarters. | ||||||||||||||||||||||||
Term Loan Facility. During 2013, Opco issued $200 million in term debt. The weighted average interest rates for the debt outstanding under the term loan for the six months ended June 30, 2014 and the year ended December 31, 2013 were 2.25% and 2.43%, respectively. Opco repaid $101 million in principal under the term loan during the third quarter of 2013. Repayment terms call for the remaining outstanding balance of $99 million to be paid on January 23, 2016. The debt is unsecured but guaranteed by the subsidiaries of Opco. | |||||||||||||||||||||||||
Opco’s term loan contains covenants requiring Opco to maintain: | |||||||||||||||||||||||||
• | a ratio of consolidated indebtedness to consolidated EBITDDA (as defined in the credit agreement) not to exceed 4.0 to 1.0 and, | ||||||||||||||||||||||||
• | a ratio of consolidated EBITDDA to consolidated fixed charges (consisting of consolidated interest expense and consolidated lease operating expense) of not less than 3.5 to 1.0 for the four most recent quarters. | ||||||||||||||||||||||||
NRP Oil and Gas Debt | |||||||||||||||||||||||||
Revolving Credit Facility. In August 2013, NRP Oil and Gas entered into a 5-year, $100 million senior secured, reserve-based revolving credit facility in order to fund capital expenditure requirements related to the development of non-operated working interests in oil and gas assets. The credit facility has a borrowing base of $20.0 million as of June 30, 2014 and is secured by a first priority lien and security interest in substantially all of the assets of NRP Oil and Gas. At June 30, 2014, there was $2.0 million outstanding under the credit facility. The weighted average interest rate for the debt outstanding under the credit facility for the six months ended June 30, 2014 was 1.90%. | |||||||||||||||||||||||||
Indebtedness under the NRP Oil and Gas credit facility bears interest, at the option of NRP Oil and Gas, at either: | |||||||||||||||||||||||||
• | the higher of (i) the prime rate as announced by the agent bank; (ii) the federal funds rate plus 0.50%; or (iii) LIBOR plus 1%, in each case plus an applicable margin ranging from 0.50% to 1.50%; or | ||||||||||||||||||||||||
• | a rate equal to LIBOR, plus an applicable margin ranging from 1.75% to 2.75%. | ||||||||||||||||||||||||
NRP Oil and Gas will incur a commitment fee on the unused portion of the borrowing base under the credit facility at a rate ranging from 0.375% to 0.50% per annum. | |||||||||||||||||||||||||
The NRP Oil and Gas credit facility contains certain covenants, which, among other things, require the maintenance of: | |||||||||||||||||||||||||
• | a total leverage ratio (defined as the ratio of the total debt of NRP Oil and Gas to its EBITDAX) of not more than 3.5 to 1.0; and | ||||||||||||||||||||||||
• | a minimum current ratio of 1.0 to 1.0. | ||||||||||||||||||||||||
Consolidated Principal Payments | |||||||||||||||||||||||||
The consolidated principal payments due are set forth below: | |||||||||||||||||||||||||
NRP LP | Opco | NRP | |||||||||||||||||||||||
Oil & Gas | |||||||||||||||||||||||||
Senior Notes | Senior Notes | Credit Facility | Term Loan | Credit Facility | Total | ||||||||||||||||||||
(In thousands) | |||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||
2014 | $ | — | $ | 32,500 | $ | — | $ | — | $ | — | $ | 32,500 | |||||||||||||
2015 | — | 80,983 | — | — | — | 80,983 | |||||||||||||||||||
2016 | — | 80,983 | 15,000 | 99,000 | — | 194,983 | |||||||||||||||||||
2017 | — | 80,983 | — | — | — | 80,983 | |||||||||||||||||||
2018 | 300,000 | (1) | 80,983 | — | — | 2,000 | 382,983 | ||||||||||||||||||
Thereafter | — | 344,124 | — | — | — | 344,124 | |||||||||||||||||||
$ | 300,000 | $ | 700,556 | $ | 15,000 | $ | 99,000 | $ | 2,000 | $ | 1,116,556 | ||||||||||||||
(1) | The 9.125% senior notes due 2018 were issued at a discount and as of June 30, 2014 were carried at $297.5 million. | ||||||||||||||||||||||||
NRP LP, Opco and NRP Oil and Gas were in compliance with all terms under their long-term debt as of June 30, 2014. |
Fair_Value
Fair Value | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Fair Value Disclosures [Abstract] | ' | ||||||||||||||||
Fair Value | ' | ||||||||||||||||
9. Fair Value | |||||||||||||||||
The Partnership’s financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable and long-term debt. The carrying amount of the Partnership’s financial instruments included in accounts receivable and accounts payable approximates their fair value due to their short-term nature except for the accounts receivable – affiliates relating to the Sugar Camp override that includes both current and long-term portions. The Partnership’s cash and cash equivalents include money market accounts and are considered a Level 1 measurement. The fair market value and carrying value of the contractual override and long-term senior notes are as follows: | |||||||||||||||||
Fair Value As Of | Carrying Value As Of | ||||||||||||||||
June 30, | December 31, | June 30, | December 31, | ||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | (Unaudited) | ||||||||||||||||
Assets | |||||||||||||||||
Sugar Camp override, current and long-term | $ | 6,622 | $ | 6,852 | $ | 6,172 | $ | 6,063 | |||||||||
Liabilities | |||||||||||||||||
Long-term debt, current and long-term | $ | 999,260 | $ | 1,071,880 | $ | 998,024 | $ | 1,046,209 | |||||||||
The fair value of the Sugar Camp override and long-term debt is estimated by management using comparable term risk-free treasury issues with a market rate component determined by current financial instruments with similar characteristics which is a Level 3 measurement. Since the Partnership’s credit facilities and term loan are variable rate debt, their fair values approximate their carrying amounts. |
Related_Party_Transactions
Related Party Transactions | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Related Party Transactions [Abstract] | ' | ||||||||||||||||
Related Party Transactions | ' | ||||||||||||||||
10. Related Party Transactions | |||||||||||||||||
Reimbursements to Affiliates of our General Partner | |||||||||||||||||
The Partnership’s general partner does not receive any management fee or other compensation for its management of Natural Resource Partners L.P. However, in accordance with the partnership agreement, the general partner and its affiliates are reimbursed for expenses incurred on the Partnership’s behalf. All direct general and administrative expenses are charged to the Partnership as incurred. The Partnership also reimburses indirect general and administrative costs, including certain legal, accounting, treasury, information technology, insurance, administration of employee benefits and other corporate services incurred by our general partner and its affiliates. The Partnership had an amount payable to Quintana Minerals Corporation of $0.4 million at June 30, 2014 for services provided by Quintana to the Partnership. | |||||||||||||||||
The reimbursements to affiliates of the Partnership’s general partner for services performed by Western Pocahontas Properties and Quintana Minerals Corporation are as follows: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Reimbursement for services | $ | 2,843 | $ | 2,912 | $ | 5,781 | $ | 5,732 | |||||||||
The Partnership also leases an office building in Huntington, West Virginia from Western Pocahontas Properties and pays $0.6 million in lease payments each year through December 31, 2018. | |||||||||||||||||
Cline Affiliates | |||||||||||||||||
Various companies controlled by Chris Cline, including Foresight Energy, lease coal reserves from the Partnership, and the Partnership provides coal transportation services to them for a fee. Mr. Cline, both individually and through another affiliate, Adena Minerals, LLC, owns a 31% interest (unaudited) in the Partnership’s general partner, as well as 4,917,548 common units (unaudited) at June 30, 2014. At June 30, 2014, the Partnership had accounts receivable totaling $8.9 million from Cline affiliates. In addition, the overriding royalty and the lease of the loadout facility at Sugar Camp mine are classified as contracts receivable of $50.8 million on the Partnership’s Consolidated Balance Sheets. The Partnership has received $79.6 million in minimum royalty payments that have not been recouped by Cline affiliates, of which $8.6 million was received in the current year. | |||||||||||||||||
Coal related revenues from Cline affiliates were $20.4 million and $17.2 million and $38.3 million and $47.3 million, for the three and six months ended June 30, 2014 and 2013, respectively. For the six months ending June 30, 2013, the results included $8.1 million from a reserve swap and $3.5 million from minimums that expired on Foresight Energy’s Macoupin mine and were recognized as revenue. | |||||||||||||||||
The Partnership entered into a lease agreement related to the rail loadout and associated facilities at Sugar Camp that has been accounted for as a direct financing lease. Total projected remaining payments under the lease at June 30, 2014 are $88.8 million with unearned income of $40.9 million. The net amount receivable under the lease as of June 30, 2014 was $47.9 million, of which $1.8 million is included in Accounts receivable – affiliates while the remaining is included in Long-term contracts receivable—affiliates. | |||||||||||||||||
In a separate transaction, the Partnership acquired a contractual overriding royalty interest from a Cline affiliate that will provide for payments based upon production from specific tons at the Sugar Camp operations. This overriding royalty was accounted for as a financing arrangement and is reflected as an affiliate receivable. The net amount receivable under the agreement as of June 30, 2014 was $6.2 million, of which $1.5 million is included in Accounts receivable – affiliates while the remaining is included in Long-term contracts receivable—affiliate. | |||||||||||||||||
Quintana Capital Group GP, Ltd. | |||||||||||||||||
Corbin J. Robertson, Jr. is a principal in Quintana Capital Group GP, Ltd., which controls several private equity funds focused on investments in the energy business. In connection with the formation of Quintana Capital, the Partnership adopted a formal conflicts policy that establishes the opportunities that will be pursued by the Partnership and those that will be pursued by Quintana Capital. The governance documents of Quintana Capital’s affiliated investment funds reflect the guidelines set forth in the Partnership’s conflicts policy. | |||||||||||||||||
At June 30, 2014, a fund controlled by Quintana Capital owned a majority interest in Corsa Coal Corp., a coal mining company traded on the TSX Venture Exchange that is one of the Partnership’s lessees in Tennessee. Corbin J. Robertson III, one of the Partnership’s directors, is Chairman of the Board of Corsa. Revenues from Corsa are as follows: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Coal royalty revenues | $ | 657 | $ | 1,051 | $ | 1,563 | $ | 2,154 | |||||||||
The Partnership also had accounts receivable totaling $0.1 million from Corsa at June 30, 2014. | |||||||||||||||||
A fund controlled by Quintana Capital owned a significant membership interest in Taggart Global USA, LLC, including the right to nominate two members of Taggart’s 5-person board of directors. Subsequent to the end of the second quarter of 2013, Taggart was sold to Forge Group, and Quintana no longer retains an interest in Taggart or Forge. The Partnership owns and leases preparation plants to Forge, which operates the plants. The lease payments were based on the sales price for the coal that was processed through the facilities. | |||||||||||||||||
Revenues from Forge for the six months ended June 30, 2013 were $1.8 million. Subsequent to the end of the second quarter of 2013, Taggart/Forge is no longer considered a related party of the Partnership. |
Commitments_and_Contingencies
Commitments and Contingencies | 6 Months Ended |
Jun. 30, 2014 | |
Commitments And Contingencies Disclosure [Abstract] | ' |
Commitments and Contingencies | ' |
11. Commitments and Contingencies | |
Legal | |
The Partnership is involved, from time to time, in various legal proceedings arising in the ordinary course of business. While the ultimate results of these proceedings cannot be predicted with certainty, Partnership management believes these claims will not have a material effect on the Partnership’s financial position, liquidity or operations. | |
Environmental Compliance | |
The operations conducted on the Partnership’s properties by its lessees are subject to environmental laws and regulations adopted by various governmental authorities in the jurisdictions in which these operations are conducted. As owner of surface interests in some properties, the Partnership may be liable for certain environmental conditions occurring at the surface properties. The terms of substantially all of the Partnership’s leases require the lessee to comply with all applicable laws and regulations, including environmental laws and regulations. Lessees post reclamation bonds assuring that reclamation will be completed as required by the relevant permit, and substantially all of the leases require the lessee to indemnify the Partnership against, among other things, environmental liabilities. Some of these indemnifications survive the termination of the lease. The Partnership has neither incurred, nor is aware of, any material environmental charges imposed on it related to its properties as of June 30, 2014. The Partnership is not associated with any environmental contamination that may require remediation costs. |
Major_Lessees
Major Lessees | 6 Months Ended | ||||||||||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||||||||||
Risks And Uncertainties [Abstract] | ' | ||||||||||||||||||||||||||||||||
Major Lessees | ' | ||||||||||||||||||||||||||||||||
12. Major Lessees | |||||||||||||||||||||||||||||||||
Revenues from lessees that exceeded ten percent of total revenues and other income for the periods are presented below: | |||||||||||||||||||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||||||||||||||||||
June 30, | June 30, | ||||||||||||||||||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||||||||||||||||||
(Dollars in thousands) | |||||||||||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||||||||||
Revenues | Percent | Revenues | Percent | Revenues | Percent | Revenues | Percent | ||||||||||||||||||||||||||
The Cline Group | $ | 20,432 | 23 | % | $ | 17,184 | 20 | % | $ | 38,254 | 22 | % | $ | 47,313 | 26 | % | |||||||||||||||||
Alpha Natural Resources | $ | 12,810 | 14 | % | $ | 15,125 | 17 | % | $ | 24,451 | 14 | % | $ | 28,907 | 16 | % | |||||||||||||||||
In the first six months of 2014, the Partnership derived over 36% of its total revenues and other income from the two companies listed above. The Partnership has a significant concentration of revenues with Cline and Alpha, although in most cases, with the exception of the Williamson mine, the exposure is spread out over a number of different mining operations and leases. Cline’s Williamson mine was responsible for approximately 10% and 11%, respectively, of the Partnership’s total revenues and other income for the first three and six months of 2014. |
Incentive_Plans
Incentive Plans | 6 Months Ended | ||||
Jun. 30, 2014 | |||||
Text Block [Abstract] | ' | ||||
Incentive Plans | ' | ||||
13. Incentive Plans | |||||
GP Natural Resource Partners LLC adopted the Natural Resource Partners Long-Term Incentive Plan (the “Long-Term Incentive Plan”) for directors of GP Natural Resource Partners LLC and employees of its affiliates who perform services for the Partnership. The Compensation, Nominating and Governance (“CNG”) Committee of GP Natural Resource Partners LLC’s board of directors administers the Long-Term Incentive Plan. Subject to the rules of the exchange upon which the common units are listed at the time, the board of directors and the CNG Committee of the board of directors have the right to alter or amend the Long-Term Incentive Plan or any part of the Long-Term Incentive Plan from time to time. Except upon the occurrence of unusual or nonrecurring events, no change in any outstanding grant may be made that would materially reduce the benefit intended to be made available to a participant without the consent of the participant. | |||||
Under the plan a grantee will receive the market value of a common unit in cash upon vesting. Market value is defined as the average closing price over the last 20 trading days prior to the vesting date. The CNG Committee may make grants under the Long-Term Incentive Plan to employees and directors containing such terms as it determines, including the vesting period. Outstanding grants vest upon a change in control of the Partnership, the general partner, or GP Natural Resource Partners LLC. If a grantee’s employment or membership on the board of directors terminates for any reason, outstanding grants will be automatically forfeited unless and to the extent the CNG Committee provides otherwise. | |||||
A summary of activity in the outstanding grants during 2014 is as follows: | |||||
(Unaudited) | |||||
Outstanding grants at January 1, 2014 | 1,012,984 | ||||
Grants during the year | 305,099 | ||||
Grants vested and paid during the year | (221,700 | ) | |||
Forfeitures during the year | (27,460 | ) | |||
Outstanding grants at June 30, 2014 | 1,068,923 | ||||
Grants typically vest at the end of a four-year period and are paid in cash upon vesting. The liability fluctuates with the market value of the Partnership units and because of changes in estimated fair value determined each quarter using the Black-Scholes option valuation model. Risk free interest rates and volatility are reset at each calculation based on current rates corresponding to the remaining vesting term for each outstanding grant and ranged from 0.13% to 1.28% and 30.42% to 33.33%, respectively at June 30, 2014. The Partnership’s average distribution rate of 7.34% and historical forfeiture rate of 5.22% were used in the calculation at June 30, 2014. The Partnership recorded expenses related to its plan to be reimbursed to its general partner of $1.5 million and $1.9 million for the three months ended June 30, 2014 and 2013, respectively, and for the six months ended June 30, 2014 and 2013 the Partnership recorded expense of $0.4 million and $7.0 million, respectively. In connection with the Long-Term Incentive Plan, payments are typically made during the first quarter of the year. Payments of $5.3 million and $7.0 million were made during the six month period ended June 30, 2014 and 2013, respectively. | |||||
In connection with the phantom unit awards, the CNG Committee also granted tandem Distribution Equivalent Rights, or DERs, which entitle the holders to receive distributions equal to the distributions paid on the Partnership’s common units. The DERs are payable in cash upon vesting but may be subject to forfeiture if the grantee ceases employment prior to vesting. | |||||
The unaccrued cost, associated with the unvested outstanding grants and related DERs at June 30, 2014 was $9.4 million. |
Shelf_Registration_Statements_
Shelf Registration Statements and "At-the-Market" Program | 6 Months Ended |
Jun. 30, 2014 | |
Business Combinations [Abstract] | ' |
Shelf Registration Statements and "At-the-Market" Program | ' |
14. Shelf Registration Statements and “At-the-Market” Program | |
On April 24, 2012, the Partnership filed an automatically effective shelf registration statement on Form S-3 with the SEC that is available for registered offerings of common units and debt securities. This shelf replaced the Partnership’s previous shelf registration statement, which expired at the end of February 2012. | |
On August 15, 2012, the Partnership filed a shelf registration statement on Form S-3 that registered all of the common units held by Adena Minerals. This shelf registration statement was declared effective by the SEC on September 21, 2012. Following the effectiveness of this registration statement, Adena distributed 15,181,716 common units to its shareholders, and the Partnership subsequently filed prospectus supplements to register the resale of these common units by those shareholders. The shelf registration statement filed in August 2012 also registered up to $500 million in equity securities that may be issued by the Partnership. On November 12, 2013, the Partnership filed a prospectus supplement and entered into an Equity Distribution Agreement relating to the offer and sale from time to time of common units having an aggregate offering price of $75 million through one or more managers acting as sales agents at prices to be agreed upon at the time of sale. Under the terms of the Equity Distribution Agreement, the Partnership may also sell common units from time to time to any manager as principal for its own account at a price to be agreed upon at the time of sale. Any sale of common units to any manager as principal would be pursuant to the terms of a separate terms agreement between the Partnership and such manager. Sales of common units in this “at-the-market” (“ATM”) program are made pursuant to the shelf registration statement declared effective in September 2012. For the six months ended June 30, 2014 the Partnership sold 1,057,105 common units for an average price of $16.08 for gross proceeds of $17.0 million, including proceeds relating to 185,097 common units that initially traded on or prior to June 30, 2014 but that were settled subsequent to June 30, 2014. At June 30, 2014, the Partnership had received $14.0 million of the proceeds and recorded an accounts receivable for the balance of $3.0 million relating to the common units that settled subsequent to June 30, 2014. In addition, the Partnership has agreed to pay the ATM program manager a fee of up to 2% of the gross proceeds from the sale of common units under the ATM program and had accrued $0.1 million in such fees payable to the manager of the ATM program as of June 30, 2014. | |
On April 12, 2013, the Partnership filed a resale shelf registration statement on Form S-3 to register the 3,784,572 common units issued in the January 2013 private placement related to funding of the OCI Wyoming acquisition. This shelf registration statement was declared effective by the SEC in May 2013. A portion of the common units issued in the private placement were issued, directly and indirectly, to certain of the Partnership’s affiliates, including Corbin J. Robertson, Jr. and Christopher Cline. |
Distributions
Distributions | 6 Months Ended |
Jun. 30, 2014 | |
Equity [Abstract] | ' |
Distributions | ' |
15. Distributions | |
On May 14, 2014, the Partnership paid a quarterly distribution $0.35 per unit to all holders of common units on May 5, 2014. |
Subsequent_Events
Subsequent Events | 6 Months Ended |
Jun. 30, 2014 | |
Subsequent Events [Abstract] | ' |
Subsequent Events | ' |
16. Subsequent Events | |
The following represents material events that have occurred subsequent to June 30, 2014 through the time of the Partnership’s filing of this Quarterly Report on Form 10-Q with the Securities and Exchange Commission: | |
Distributions | |
On July 22, 2014, the Partnership declared a distribution of $0.35 per unit to be paid on August 14, 2014 to holders of common units on August 5, 2014. | |
Distributions Received From Unconsolidated Equity and Other Investments | |
Subsequent to June 30, 2014, the Partnership received $10.3 million in cash distributions from its equity investment in OCI Wyoming. | |
ATM Program | |
As of the date of this filing, the Partnership has issued an additional 381,009 units at an average price of $16.33 for gross proceeds of $6.2 million through its ATM program. |
Significant_Accounting_Policie1
Significant Accounting Policies Update (Policies) | 6 Months Ended | ||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||
Accounting Policies [Abstract] | ' | ||||||||||||||||||||||||
Reclassification | ' | ||||||||||||||||||||||||
Reclassification | |||||||||||||||||||||||||
Certain reclassifications have been made to the Consolidated Statements of Comprehensive Income. Amounts relating to prior year’s coal royalties, processing fees, transportation fees, minimums recognized as revenue, override royalties and other have been reclassified into a single line item “Coal related revenues” on this year’s Consolidated Statements of Comprehensive Income. Amounts relating to prior year’s aggregates royalties, processing fees, minimums recognized as revenue, override royalties and other have been reclassified into a single line item “Aggregates related revenues” on this year’s Consolidated Statements of Comprehensive Income. The following is reclassification reconciliation: | |||||||||||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||||||||||
June 30, 2013 | June 30, 2013 | ||||||||||||||||||||||||
As | As | As | As | ||||||||||||||||||||||
Reported | Reclassified | Reported | Reclassified | ||||||||||||||||||||||
Total | Coal | Aggregate | Total | Coal | Aggregate | ||||||||||||||||||||
Related | Related | Related | Related | ||||||||||||||||||||||
Revenues | Revenues | Revenues | Revenues | ||||||||||||||||||||||
Revenues: | |||||||||||||||||||||||||
Coal royalties | $ | 58,210 | $ | 58,210 | $ | — | $ | 112,652 | $ | 112,652 | $ | — | |||||||||||||
Equity and other unconsolidated investment income | 7,882 | — | — | 14,930 | — | — | |||||||||||||||||||
Aggregate royalties | 1,751 | — | 1,751 | 3,303 | — | 3,303 | |||||||||||||||||||
Processing fees | 1,329 | 1,198 | 131 | 2,509 | 2,248 | 261 | |||||||||||||||||||
Transportation fees | 3,832 | 3,832 | — | 8,757 | 8,757 | — | |||||||||||||||||||
Oil and gas royalties | 4,093 | — | — | 5,856 | — | — | |||||||||||||||||||
Property taxes | 3,849 | — | — | 7,796 | — | — | |||||||||||||||||||
Minimums recognized as revenue | 836 | 549 | 287 | 5,427 | 5,005 | 422 | |||||||||||||||||||
Override royalties | 3,179 | 2,582 | 597 | 8,084 | 6,444 | 1,640 | |||||||||||||||||||
Other | 1,843 | 1,036 | 133 | 11,822 | 10,144 | 229 | |||||||||||||||||||
Total revenues | $ | 86,804 | $ | 67,407 | $ | 2,899 | $ | 181,136 | $ | 145,250 | $ | 5,855 | |||||||||||||
Recent Accounting Pronouncements | ' | ||||||||||||||||||||||||
Recent Accounting Pronouncements | |||||||||||||||||||||||||
Accounting standards that have been issued by the FASB or other standards-setting bodies are not expected to have a material impact on the Partnership’s financial position, results of operations or cash flows. |
Significant_Accounting_Policie2
Significant Accounting Policies Update (Tables) | 6 Months Ended | ||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||
Accounting Policies [Abstract] | ' | ||||||||||||||||||||||||
Summary of Reclassification Reconciliation | ' | ||||||||||||||||||||||||
The following is reclassification reconciliation: | |||||||||||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||||||||||
June 30, 2013 | June 30, 2013 | ||||||||||||||||||||||||
As | As | As | As | ||||||||||||||||||||||
Reported | Reclassified | Reported | Reclassified | ||||||||||||||||||||||
Total | Coal | Aggregate | Total | Coal | Aggregate | ||||||||||||||||||||
Related | Related | Related | Related | ||||||||||||||||||||||
Revenues | Revenues | Revenues | Revenues | ||||||||||||||||||||||
Revenues: | |||||||||||||||||||||||||
Coal royalties | $ | 58,210 | $ | 58,210 | $ | — | $ | 112,652 | $ | 112,652 | $ | — | |||||||||||||
Equity and other unconsolidated investment income | 7,882 | — | — | 14,930 | — | — | |||||||||||||||||||
Aggregate royalties | 1,751 | — | 1,751 | 3,303 | — | 3,303 | |||||||||||||||||||
Processing fees | 1,329 | 1,198 | 131 | 2,509 | 2,248 | 261 | |||||||||||||||||||
Transportation fees | 3,832 | 3,832 | — | 8,757 | 8,757 | — | |||||||||||||||||||
Oil and gas royalties | 4,093 | — | — | 5,856 | — | — | |||||||||||||||||||
Property taxes | 3,849 | — | — | 7,796 | — | — | |||||||||||||||||||
Minimums recognized as revenue | 836 | 549 | 287 | 5,427 | 5,005 | 422 | |||||||||||||||||||
Override royalties | 3,179 | 2,582 | 597 | 8,084 | 6,444 | 1,640 | |||||||||||||||||||
Other | 1,843 | 1,036 | 133 | 11,822 | 10,144 | 229 | |||||||||||||||||||
Total revenues | $ | 86,804 | $ | 67,407 | $ | 2,899 | $ | 181,136 | $ | 145,250 | $ | 5,855 | |||||||||||||
Equity_and_Other_Investments_T
Equity and Other Investments (Tables) | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Equity Method Investments And Joint Ventures [Abstract] | ' | ||||||||||||||||
Schedule of Summarized Results of Operations | ' | ||||||||||||||||
The following summarized results of operations were taken from the OCI Wyoming-prepared unaudited financial statements. | |||||||||||||||||
Operating results: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
Sales | $ | 112,970 | $ | 110,762 | $ | 229,211 | $ | 218,992 | |||||||||
Gross profit | $ | 27,604 | $ | 22,372 | $ | 54,723 | $ | 43,315 | |||||||||
Net income | $ | 22,145 | $ | 18,589 | $ | 45,157 | $ | 36,958 | |||||||||
Income allocation to NRP’s equity interests | $ | 10,851 | $ | 8,565 | $ | 22,127 | $ | 16,161 | |||||||||
Less amortization of basis difference | (1,450 | ) | (683 | ) | (2,947 | ) | (1,231 | ) | |||||||||
Equity and other unconsolidated investment income | $ | 9,401 | $ | 7,882 | $ | 19,180 | $ | 14,930 | |||||||||
Summary of OCI Contingent Consideration | ' | ||||||||||||||||
The Partnership’s contingent consideration consists of the following: | |||||||||||||||||
June 30, | |||||||||||||||||
2014 | |||||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Contingent consideration, January 1, 2014 | $ | 15,000 | |||||||||||||||
Less: consideration paid during the period | (491 | ) | |||||||||||||||
Contingent consideration, end of the period | 14,509 | ||||||||||||||||
Less: current portion of contingent consideration | (4,900 | ) | |||||||||||||||
Long-term contingent consideration | $ | 9,609 | |||||||||||||||
Plant_and_Equipment_Tables
Plant and Equipment (Tables) | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Property Plant And Equipment [Abstract] | ' | ||||||||
Plant and Equipment | ' | ||||||||
The Partnership’s plant and equipment consist of the following: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Work in process | $ | 135 | $ | — | |||||
Plant and equipment at cost | 55,271 | 55,271 | |||||||
Less accumulated depreciation | (31,371 | ) | (28,836 | ) | |||||
Net book value | $ | 24,035 | $ | 26,435 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total depreciation expense on plant and equipment | $ | 2,535 | $ | 3,133 |
Mineral_Rights_Tables
Mineral Rights (Tables) | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Extractive Industries [Abstract] | ' | ||||||||
Mineral Rights | ' | ||||||||
The Partnership’s mineral rights consist of the following: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Mineral rights | $ | 1,907,589 | $ | 1,894,920 | |||||
Less accumulated depletion and amortization | (516,150 | ) | (489,465 | ) | |||||
Net book value | $ | 1,391,439 | $ | 1,405,455 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total depletion and amortization expense on mineral rights | $ | 26,685 | $ | 27,338 | |||||
Intangible_Assets_Tables
Intangible Assets (Tables) | 6 Months Ended | ||||||||
Jun. 30, 2014 | |||||||||
Goodwill And Intangible Assets Disclosure [Abstract] | ' | ||||||||
Intangible Assets | ' | ||||||||
Amounts recorded as intangible assets along with the balances and accumulated amortization are reflected in the table below: | |||||||||
June 30, | December 31, | ||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Contract intangibles | $ | 83,700 | $ | 89,421 | |||||
Less accumulated amortization | (24,151 | ) | (22,471 | ) | |||||
Net book value | $ | 59,549 | $ | 66,950 | |||||
Six Months Ended | |||||||||
June 30, | |||||||||
2014 | 2013 | ||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Total amortization expense on intangible assets | $ | 1,777 | $ | 1,702 | |||||
Estimated Amortization Expense | ' | ||||||||
The estimates of future amortization expense relating to intangible assets for the periods indicated below are based on current mining plans, which are subject to revision in future periods. | |||||||||
Estimated | |||||||||
Amortization | |||||||||
Expense | |||||||||
(In thousands) | |||||||||
(Unaudited) | |||||||||
Remainder of 2014 | $ | 1,319 | |||||||
For year ended December 31, 2015 | 3,513 | ||||||||
For year ended December 31, 2016 | 3,470 | ||||||||
For year ended December 31, 2017 | 3,470 | ||||||||
For year ended December 31, 2018 | 3,470 |
LongTerm_Debt_Tables
Long-Term Debt (Tables) | 6 Months Ended | ||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||
Debt Disclosure [Abstract] | ' | ||||||||||||||||||||||||
Long-Term Debt | ' | ||||||||||||||||||||||||
Long-term debt consists of the following: | |||||||||||||||||||||||||
June 30, | December 31, | ||||||||||||||||||||||||
2014 | 2013 | ||||||||||||||||||||||||
(In thousands) | |||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||
NRP LP Debt: | |||||||||||||||||||||||||
$300 million 9.125% senior notes, with semi-annual interest payments in April and October, maturing October 2018, issued at 99.007% | $ | 297,468 | $ | 297,170 | |||||||||||||||||||||
Opco Debt: | |||||||||||||||||||||||||
$300 million floating rate revolving credit facility, due August 2016 | 15,000 | 20,000 | |||||||||||||||||||||||
$200 million floating rate term loan, due January 2016 | 99,000 | 99,000 | |||||||||||||||||||||||
4.91% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2018 | 18,467 | 23,084 | |||||||||||||||||||||||
8.38% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2019 | 107,143 | 128,571 | |||||||||||||||||||||||
5.05% senior notes, with semi-annual interest payments in January and July, with annual principal payments in July, maturing in July 2020 | 53,846 | 53,846 | |||||||||||||||||||||||
5.31% utility local improvement obligation, with annual principal and interest payments, maturing in March 2021 | 1,346 | 1,538 | |||||||||||||||||||||||
5.55% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2023 | 24,300 | 27,000 | |||||||||||||||||||||||
4.73% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2023 | 75,000 | 75,000 | |||||||||||||||||||||||
5.82% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2024 | 150,000 | 165,000 | |||||||||||||||||||||||
8.92% senior notes, with semi-annual interest payments in March and September, with scheduled principal payments beginning March 2014, maturing in March 2024 | 45,454 | 50,000 | |||||||||||||||||||||||
5.03% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 | 175,000 | 175,000 | |||||||||||||||||||||||
5.18% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 | 50,000 | 50,000 | |||||||||||||||||||||||
NRP Oil and Gas Debt: | |||||||||||||||||||||||||
Reserve-based floating rate revolving credit facility due 2018 | 2,000 | — | |||||||||||||||||||||||
Total debt | 1,114,024 | 1,165,209 | |||||||||||||||||||||||
Less – current portion of long term debt | (80,983 | ) | (80,983 | ) | |||||||||||||||||||||
Long-term debt | $ | 1,033,041 | $ | 1,084,226 | |||||||||||||||||||||
Principal Payments Due | ' | ||||||||||||||||||||||||
The consolidated principal payments due are set forth below: | |||||||||||||||||||||||||
NRP LP | Opco | NRP | |||||||||||||||||||||||
Oil & Gas | |||||||||||||||||||||||||
Senior Notes | Senior Notes | Credit Facility | Term Loan | Credit Facility | Total | ||||||||||||||||||||
(In thousands) | |||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||
2014 | $ | — | $ | 32,500 | $ | — | $ | — | $ | — | $ | 32,500 | |||||||||||||
2015 | — | 80,983 | — | — | — | 80,983 | |||||||||||||||||||
2016 | — | 80,983 | 15,000 | 99,000 | — | 194,983 | |||||||||||||||||||
2017 | — | 80,983 | — | — | — | 80,983 | |||||||||||||||||||
2018 | 300,000 | (1) | 80,983 | — | — | 2,000 | 382,983 | ||||||||||||||||||
Thereafter | — | 344,124 | — | — | — | 344,124 | |||||||||||||||||||
$ | 300,000 | $ | 700,556 | $ | 15,000 | $ | 99,000 | $ | 2,000 | $ | 1,116,556 | ||||||||||||||
(1) | The 9.125% senior notes due 2018 were issued at a discount and as of June 30, 2014 were carried at $297.5 million. | ||||||||||||||||||||||||
NRP LP, Opco and NRP Oil and Gas were in compliance with all terms under their long-term debt as of June 30, 2014. |
Fair_Value_Tables
Fair Value (Tables) | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Fair Value Disclosures [Abstract] | ' | ||||||||||||||||
Contractual Override, Note Receivable and Long-Term Debt | ' | ||||||||||||||||
The fair market value and carrying value of the contractual override and long-term senior notes are as follows: | |||||||||||||||||
Fair Value As Of | Carrying Value As Of | ||||||||||||||||
June 30, | December 31, | June 30, | December 31, | ||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | (Unaudited) | ||||||||||||||||
Assets | |||||||||||||||||
Sugar Camp override, current and long-term | $ | 6,622 | $ | 6,852 | $ | 6,172 | $ | 6,063 | |||||||||
Liabilities | |||||||||||||||||
Long-term debt, current and long-term | $ | 999,260 | $ | 1,071,880 | $ | 998,024 | $ | 1,046,209 |
Related_Party_Transactions_Tab
Related Party Transactions (Tables) | 6 Months Ended | ||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||
Summary of Reimbursements | ' | ||||||||||||||||
The reimbursements to affiliates of the Partnership’s general partner for services performed by Western Pocahontas Properties and Quintana Minerals Corporation are as follows: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Reimbursement for services | $ | 2,843 | $ | 2,912 | $ | 5,781 | $ | 5,732 | |||||||||
Corsa [Member] | ' | ||||||||||||||||
Summary of Revenues from Related Party | ' | ||||||||||||||||
Revenues from Corsa are as follows: | |||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||
June 30, | June 30, | ||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||
(In thousands) | |||||||||||||||||
(Unaudited) | |||||||||||||||||
Coal royalty revenues | $ | 657 | $ | 1,051 | $ | 1,563 | $ | 2,154 | |||||||||
Major_Lessees_Tables
Major Lessees (Tables) | 6 Months Ended | ||||||||||||||||||||||||||||||||
Jun. 30, 2014 | |||||||||||||||||||||||||||||||||
Risks And Uncertainties [Abstract] | ' | ||||||||||||||||||||||||||||||||
Revenues from Lessees that Exceeded Ten Percent of Total Revenues and Other Income | ' | ||||||||||||||||||||||||||||||||
Revenues from lessees that exceeded ten percent of total revenues and other income for the periods are presented below: | |||||||||||||||||||||||||||||||||
Three Months Ended | Six Months Ended | ||||||||||||||||||||||||||||||||
June 30, | June 30, | ||||||||||||||||||||||||||||||||
2014 | 2013 | 2014 | 2013 | ||||||||||||||||||||||||||||||
(Dollars in thousands) | |||||||||||||||||||||||||||||||||
(Unaudited) | |||||||||||||||||||||||||||||||||
Revenues | Percent | Revenues | Percent | Revenues | Percent | Revenues | Percent | ||||||||||||||||||||||||||
The Cline Group | $ | 20,432 | 23 | % | $ | 17,184 | 20 | % | $ | 38,254 | 22 | % | $ | 47,313 | 26 | % | |||||||||||||||||
Alpha Natural Resources | $ | 12,810 | 14 | % | $ | 15,125 | 17 | % | $ | 24,451 | 14 | % | $ | 28,907 | 16 | % |
Incentive_Plans_Tables
Incentive Plans (Tables) | 6 Months Ended | ||||
Jun. 30, 2014 | |||||
Text Block [Abstract] | ' | ||||
Summary of Activity in Outstanding Grants | ' | ||||
A summary of activity in the outstanding grants during 2014 is as follows: | |||||
(Unaudited) | |||||
Outstanding grants at January 1, 2014 | 1,012,984 | ||||
Grants during the year | 305,099 | ||||
Grants vested and paid during the year | (221,700 | ) | |||
Forfeitures during the year | (27,460 | ) | |||
Outstanding grants at June 30, 2014 | 1,068,923 | ||||
Basis_of_Presentation_and_Orga1
Basis of Presentation and Organization - Additional Information (Detail) | 6 Months Ended |
Jun. 30, 2014 | |
Coal_Reserves | |
Organization Consolidation And Presentation Of Financial Statements [Abstract] | ' |
Number of coal producing regions | 3 |
Significant_Accounting_Policie3
Significant Accounting Policies Update - Summary of Reclassification Reconciliation (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Revenues: | ' | ' | ' | ' |
Coal royalties | $20,400 | $17,200 | $38,300 | $47,300 |
Equity and other unconsolidated investment income | 9,401 | 7,882 | 19,180 | 14,930 |
Oil and gas royalties | 17,822 | 4,093 | 27,880 | 5,856 |
Property taxes | 3,378 | 3,849 | 7,345 | 7,796 |
Minimums recognized as revenue | ' | ' | ' | 3,500 |
Other | 1,036 | 674 | 1,772 | 1,449 |
Total revenues and other income | 90,561 | 86,804 | 170,870 | 181,136 |
Scenario, Previously Reported [Member] | ' | ' | ' | ' |
Revenues: | ' | ' | ' | ' |
Coal royalties | ' | 58,210 | ' | 112,652 |
Equity and other unconsolidated investment income | ' | 7,882 | ' | 14,930 |
Aggregate royalties | ' | 1,751 | ' | 3,303 |
Processing fees | ' | 1,329 | ' | 2,509 |
Transportation fees | ' | 3,832 | ' | 8,757 |
Oil and gas royalties | ' | 4,093 | ' | 5,856 |
Property taxes | ' | 3,849 | ' | 7,796 |
Minimums recognized as revenue | ' | 836 | ' | 5,427 |
Override royalties | ' | 3,179 | ' | 8,084 |
Other | ' | 1,843 | ' | 11,822 |
Total revenues and other income | ' | 86,804 | ' | 181,136 |
Reclassified as Coal Related Revenue [Member] | ' | ' | ' | ' |
Revenues: | ' | ' | ' | ' |
Coal royalties | ' | 58,210 | ' | 112,652 |
Processing fees | ' | 1,198 | ' | 2,248 |
Transportation fees | ' | 3,832 | ' | 8,757 |
Minimums recognized as revenue | ' | 549 | ' | 5,005 |
Override royalties | ' | 2,582 | ' | 6,444 |
Other | ' | 1,036 | ' | 10,144 |
Total revenues and other income | ' | 67,407 | ' | 145,250 |
Reclassified as Aggregate Related Revenue [Member] | ' | ' | ' | ' |
Revenues: | ' | ' | ' | ' |
Aggregate royalties | ' | 1,751 | ' | 3,303 |
Processing fees | ' | 131 | ' | 261 |
Minimums recognized as revenue | ' | 287 | ' | 422 |
Override royalties | ' | 597 | ' | 1,640 |
Other | ' | 133 | ' | 229 |
Total revenues and other income | ' | $2,899 | ' | $5,855 |
Recent_Acquisitions_Additional
Recent Acquisitions - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended |
Jun. 30, 2014 | Jun. 30, 2014 | |
Business Acquisition [Line Items] | ' | ' |
Lease operating expenses | $2,291,000 | $4,212,000 |
Sundance Energy Inc [Member] | ' | ' |
Business Acquisition [Line Items] | ' | ' |
Purchase price allocation for assets acquired | 29,400,000 | 29,400,000 |
Abraxas Petroleum [Member] | ' | ' |
Business Acquisition [Line Items] | ' | ' |
Purchase price allocation for assets acquired | 38,000,000 | 38,000,000 |
Abraxas and Sundance [Member] | ' | ' |
Business Acquisition [Line Items] | ' | ' |
Combined revenues | ' | 21,300,000 |
Lease operating expenses | ' | $4,200,000 |
Equity_and_Other_Investments_S
Equity and Other Investments - Schedule of Summarized Results of Operations (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Schedule of Equity Method Investments [Line Items] | ' | ' | ' | ' |
Net income | $31,407 | $41,065 | $64,012 | $88,971 |
Equity and other unconsolidated investment income | 9,401 | 7,882 | 19,180 | 14,930 |
OCI LP and OCI Co [Member] | ' | ' | ' | ' |
Schedule of Equity Method Investments [Line Items] | ' | ' | ' | ' |
Sales | 112,970 | 110,762 | 229,211 | 218,992 |
Gross profit | 27,604 | 22,372 | 54,723 | 43,315 |
Net income | 22,145 | 18,589 | 45,157 | 36,958 |
Income allocation to NRP's equity interests | 10,851 | 8,565 | 22,127 | 16,161 |
Less amortization of basis difference | -1,450 | -683 | -2,947 | -1,231 |
Equity and other unconsolidated investment income | $9,401 | $7,882 | $19,180 | $14,930 |
Equity_and_Other_Investments_A
Equity and Other Investments - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | |||
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | |
Schedule of Equity Method Investments [Line Items] | ' | ' | ' | ' | ' |
Contingent consideration accrued | 15,000,000 | ' | $15,000,000 | ' | ' |
Maximum amount of additional contingent consideration | 50,000,000 | ' | 50,000,000 | ' | ' |
OCI Wyoming [Member] | ' | ' | ' | ' | ' |
Schedule of Equity Method Investments [Line Items] | ' | ' | ' | ' | ' |
Revenue and other income from equity investment | 10.00% | 9.00% | 11.00% | 8.00% | ' |
Contingent consideration, description | ' | ' | 'The terms of the OCI Wyoming acquisition agreement included provisions for the payment of contingent consideration to Anadarko Holding Company if OCI Wyoming achieves certain earnings results in 2013, 2014 or 2015. | ' | ' |
Contingent consideration accrued | ' | ' | ' | ' | $15,000,000 |
Equity_and_Other_Investments_S1
Equity and Other Investments - Summary of OCI Contingent Consideration (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified | ||
Equity Method Investments And Joint Ventures [Abstract] | ' | ' |
Contingent consideration, January 1, 2014 | $14,509 | $15,000 |
Less: consideration paid during the period | -491 | ' |
Contingent consideration, end of the period | 14,509 | 15,000 |
Less: current portion of contingent consideration | -4,900 | ' |
Long-term contingent consideration | $9,609 | ' |
Plant_and_Equipment_Plant_and_
Plant and Equipment - Plant and Equipment (Detail) (USD $) | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 |
Property Plant And Equipment [Abstract] | ' | ' | ' |
Work in process | $135 | ' | ' |
Plant and equipment at cost | 55,271 | ' | 55,271 |
Less accumulated depreciation | -31,371 | ' | -28,836 |
Net book value | 24,035 | ' | 26,435 |
Total depreciation expense on plant and equipment | $2,535 | $3,133 | ' |
Mineral_Rights_Mineral_Rights_
Mineral Rights - Mineral Rights (Detail) (USD $) | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 |
Extractive Industries [Abstract] | ' | ' | ' |
Mineral rights | $1,907,589 | ' | $1,894,920 |
Less accumulated depletion and amortization | -516,150 | ' | -489,465 |
Net book value | 1,391,439 | ' | 1,405,455 |
Total depletion and amortization expense on mineral rights | $26,685 | $27,338 | ' |
Mineral_Rights_Additional_Info
Mineral Rights - Additional Information (Detail) (James River Coal Company [Member], USD $) | 6 Months Ended | 12 Months Ended |
In Millions, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 |
Property Subject to or Available for Operating Lease [Line Items] | ' | ' |
Book value of properties leased, net | 35 | ' |
Sales Revenue, Net [Member] | ' | ' |
Property Subject to or Available for Operating Lease [Line Items] | ' | ' |
Total revenue and other income, percentage | 1.00% | 2.00% |
Intangible_Assets_Intangible_A
Intangible Assets - Intangible Assets (Detail) (USD $) | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 |
Goodwill And Intangible Assets Disclosure [Abstract] | ' | ' | ' |
Contract intangibles | $83,700 | ' | $89,421 |
Less accumulated amortization | -24,151 | ' | -22,471 |
Net book value | 59,549 | ' | 66,950 |
Total amortization expense on intangible assets | $1,777 | $1,702 | ' |
Intangible_Assets_Additional_I
Intangible Assets - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Disclosure Intangible Assets [Abstract] | ' | ' | ' | ' |
Asset impairment expenses | $5,624 | $443 | $5,624 | $734 |
Intangible_Assets_Estimated_Am
Intangible Assets - Estimated Amortization Expense (Detail) (USD $) | Jun. 30, 2014 |
In Thousands, unless otherwise specified | |
Goodwill And Intangible Assets Disclosure [Abstract] | ' |
Remainder of 2014 | $1,319 |
For year ended December 31, 2015 | 3,513 |
For year ended December 31, 2016 | 3,470 |
For year ended December 31, 2017 | 3,470 |
For year ended December 31, 2018 | $3,470 |
LongTerm_Debt_Additional_Infor
Long-Term Debt - Additional Information (Detail) (USD $) | 6 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 6 Months Ended | 6 Months Ended | 1 Months Ended | ||||||||||||||
Jun. 30, 2014 | Jun. 30, 2013 | Sep. 30, 2013 | Dec. 31, 2013 | Jun. 30, 2014 | Jun. 30, 2014 | Sep. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2014 | Sep. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Aug. 31, 2013 | Jun. 30, 2014 | |
Term Loan [Member] | Term Loan [Member] | Term Loan [Member] | NRP LP [Member] | NRP LP [Member] | NRP LP [Member] | NRP LP [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | Opco [Member] | NRP Oil And Gas [Member] | NRP Oil And Gas [Member] | NRP Oil And Gas [Member] | |||
Minimum [Member] | Maximum [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | $300 million floating rate revolving credit facility, due August 2016 [Member] | $300 million floating rate revolving credit facility, due August 2016 [Member] | Term Loan [Member] | Minimum [Member] | Maximum [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | |||||||||||
Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | |||||||||||||||||||
Debt Instrument [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Rate of Senior Notes due | 9.13% | ' | ' | ' | ' | 9.13% | 9.13% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Floating rate revolving credit facility | ' | ' | ' | ' | ' | ' | $300,000,000 | ' | ' | ' | ' | ' | ' | $300,000,000 | ' | ' | ' | ' | ' | ' | $20,000,000 |
Senior Note issue percentage | ' | ' | ' | ' | ' | ' | 99.01% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Repayment of principal amount | ' | ' | 101,000,000 | ' | ' | ' | ' | ' | ' | 289,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Term Loan | 53,483,000 | 79,538,000 | ' | ' | ' | ' | ' | ' | ' | 91,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fixed charge coverage ratio | ' | ' | ' | ' | ' | ' | ' | 1 | 2 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Principal payments on its senior notes | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 48,300,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Ratio of consolidated indebtedness to consolidated EBITDDA | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4 | 4 | ' | ' | ' | ' | ' | ' | 3.5 | ' | ' |
Percentage of consolidated net tangible assets debt of subsidiaries not permitted to exceed | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 10.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Ratio of consolidated EBITDDA to consolidated fixed charges | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3.5 | 3.5 | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Additional interest accrue | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Partnership leverage ratio | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3.75 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Revolving credit facility | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0.18% | 0.40% | ' | ' | ' |
Commitment fee on the undrawn portion of the revolving credit facility rates | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '0.18% to 0.40% | ' | ' | ' | '0.375% to 0.50% | ' | ' |
Maximum increase in aggregate commitment | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 500,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Weighted average interest rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1.97% | 2.23% | ' | ' | ' | ' | ' | ' | ' | ' |
Amount drawn under the line of credit facility | ' | ' | ' | ' | 99,000,000 | ' | ' | ' | ' | ' | ' | 15,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | 2,000,000 |
Weighted average interest rate for the debt outstanding | 1.90% | ' | ' | 2.43% | 2.25% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount received from debt issuance | ' | ' | ' | 200,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Leverage ratio, maximum | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4 | ' | ' | 3.5 | ' | ' |
Minimum interest coverage ratio | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3.5 | ' | ' | ' | ' | ' |
Term of credit facility | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '5 years | ' |
Senior secured revolving credit facility | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $100,000,000 | ' |
Debt Instrument, Interest Rate Terms | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 'The higher of (i) the prime rate as announced by the agent bank; (ii) the federal funds rate plus 0.50%; or (iii) LIBOR plus 1%, in each case plus an applicable margin ranging from 0.50% to 1.50%; or a rate equal to LIBOR, plus an applicable margin ranging from 1.75% to 2.75% | ' | ' |
Current ratio, minimum | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1 | ' | ' |
LongTerm_Debt_LongTerm_Debt_De
Long-Term Debt - Long-Term Debt (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified | ||
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | $1,114,024 | $1,165,209 |
Less - current portion of long term debt | -80,983 | -80,983 |
Long-term debt | 1,033,041 | 1,084,226 |
NRP LP [Member] | 9.125% senior notes, with semi-annual interest payments in April and October, maturing October 2018 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 297,468 | 297,170 |
Opco [Member] | $300 million floating rate revolving credit facility, due August 2016 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 15,000 | 20,000 |
Opco [Member] | $200 million floating rate term loan, due January 2016 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 99,000 | 99,000 |
Opco [Member] | 4.91% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2018 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 18,467 | 23,084 |
Opco [Member] | 8.38% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March , maturing in March 2019 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 107,143 | 128,571 |
Opco [Member] | 5.05% senior notes, with semi-annual interest payments in January and July, with annual principal payments in July, maturing in July 2020 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 53,846 | 53,846 |
Opco [Member] | 5.31% utility local improvement obligation, with annual principal and interest payments, maturing in March 2021[Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Utility local improvement development fund | 1,346 | 1,538 |
Opco [Member] | 5.55% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2023 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 24,300 | 27,000 |
Opco [Member] | 4.73% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2023 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 75,000 | 75,000 |
Opco [Member] | 5.82% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2024 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 150,000 | 165,000 |
Opco [Member] | 8.92% senior notes, with semi-annual interest payments in March and September, with scheduled principal payments beginning March 2014, maturing in March 2024 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 45,454 | 50,000 |
Opco [Member] | 5.03% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 175,000 | 175,000 |
Opco [Member] | 5.18% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | 50,000 | 50,000 |
NRP Oil And Gas [Member] | Reserve-based floating rate revolving credit facility due 2018 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Total debt | $2,000 | ' |
LongTerm_Debt_LongTerm_Debt_Pa
Long-Term Debt - Long-Term Debt (Parenthetical) (Detail) (USD $) | Jun. 30, 2014 | Sep. 30, 2013 |
In Millions, unless otherwise specified | ||
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 9.13% | ' |
NRP LP [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 9.13% | 9.13% |
Senior Note issue percentage | ' | 99.01% |
Floating rate revolving credit facility | ' | $300 |
NRP LP [Member] | 9.125% senior notes, with semi-annual interest payments in April and October, maturing October 2018 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Senior Notes, Face amount | 300 | ' |
Rate of Senior Notes due | 9.13% | ' |
Senior Note issue percentage | 99.01% | ' |
Opco [Member] | $300 million floating rate revolving credit facility, due August 2016 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Floating rate revolving credit facility | 300 | ' |
Opco [Member] | $200 million floating rate term loan, due January 2016 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Floating rate revolving credit facility | 200 | ' |
Opco [Member] | 4.91% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2018 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 4.91% | ' |
Opco [Member] | 8.38% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March , maturing in March 2019 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 8.38% | ' |
Opco [Member] | 5.05% senior notes, with semi-annual interest payments in January and July, with annual principal payments in July, maturing in July 2020 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.05% | ' |
Opco [Member] | 5.31% utility local improvement obligation, with annual principal and interest payments, maturing in March 2021[Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.31% | ' |
Opco [Member] | 5.55% senior notes, with semi-annual interest payments in June and December, with annual principal payments in June, maturing in June 2023 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.55% | ' |
Opco [Member] | 4.73% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2023 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 4.73% | ' |
Opco [Member] | 5.82% senior notes, with semi-annual interest payments in March and September, with annual principal payments in March, maturing in March 2024 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.82% | ' |
Opco [Member] | 8.92% senior notes, with semi-annual interest payments in March and September, with scheduled principal payments beginning March 2014, maturing in March 2024 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 8.92% | ' |
Opco [Member] | 5.03% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.03% | ' |
Opco [Member] | 5.18% senior notes, with semi-annual interest payments in June and December, with scheduled principal payments beginning December 2014, maturing in December 2026 [Member] | ' | ' |
Proforma Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 5.18% | ' |
LongTerm_Debt_Principal_Paymen
Long-Term Debt - Principal Payments Due (Detail) (USD $) | Jun. 30, 2014 | |
In Thousands, unless otherwise specified | ||
Debt Instrument [Line Items] | ' | |
2014 | $32,500 | |
2015 | 80,983 | |
2016 | 194,983 | |
2017 | 80,983 | |
2018 | 382,983 | |
Thereafter | 344,124 | |
Principal Payments | 1,116,556 | |
NRP LP [Member] | Senior Notes [Member] | ' | |
Debt Instrument [Line Items] | ' | |
2014 | 0 | |
2015 | 0 | |
2016 | 0 | |
2017 | 0 | |
2018 | 300,000 | [1] |
Thereafter | 0 | |
Principal Payments | 300,000 | |
Opco [Member] | Senior Notes [Member] | ' | |
Debt Instrument [Line Items] | ' | |
2014 | 32,500 | |
2015 | 80,983 | |
2016 | 80,983 | |
2017 | 80,983 | |
2018 | 80,983 | |
Thereafter | 344,124 | |
Principal Payments | 700,556 | |
Opco [Member] | Credit Facility [Member] | ' | |
Debt Instrument [Line Items] | ' | |
2014 | 0 | |
2015 | 0 | |
2016 | 15,000 | |
2017 | 0 | |
2018 | 0 | |
Thereafter | 0 | |
Principal Payments | 15,000 | |
Opco [Member] | Term Loan [Member] | ' | |
Debt Instrument [Line Items] | ' | |
2014 | 0 | |
2015 | 0 | |
2016 | 99,000 | |
2017 | 0 | |
2018 | 0 | |
Thereafter | 0 | |
Principal Payments | 99,000 | |
NRP Oil And Gas [Member] | Credit Facility [Member] | ' | |
Debt Instrument [Line Items] | ' | |
2014 | 0 | |
2015 | 0 | |
2016 | 0 | |
2017 | 0 | |
2018 | 2,000 | |
Thereafter | 0 | |
Principal Payments | $2,000 | |
[1] | The 9.125% senior notes due 2018 were issued at a discount and as of June 30, 2014 were carried at $297.5 million. |
LongTerm_Debt_Principal_Paymen1
Long-Term Debt - Principal Payments Due (Parenthetical) (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified | ||
Debt Instrument [Line Items] | ' | ' |
Rate of Senior Notes due | 9.13% | ' |
Senior notes, Carrying value | $1,114,024 | $1,165,209 |
Senior Notes [Member] | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Senior notes, Carrying value | $297,500 | ' |
Fair_Value_Contractual_Overrid
Fair Value - Contractual Override, Note Receivable and Long-Term Debt (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified | ||
Fair Value Disclosures [Abstract] | ' | ' |
Fair Value of Sugar Camp override, current and long-term | $6,622 | $6,852 |
Fair Value of Long-term debt, current and long-term | 999,260 | 1,071,880 |
Carrying Value of Sugar Camp override, current and long-term | 6,172 | 6,063 |
Carrying Value of Long-term debt, current and long-term | $998,024 | $1,046,209 |
Related_Party_Transactions_Add
Related Party Transactions - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | |||
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 | |
Related Party Transaction [Line Items] | ' | ' | ' | ' | ' |
Lease expenses | ' | ' | $600,000 | ' | ' |
Accounts receivable | 6,172,000 | ' | 6,172,000 | ' | 6,063,000 |
Coal related revenues from Cline affiliates | 20,400,000 | 17,200,000 | 38,300,000 | 47,300,000 | ' |
Reserve swap recognized as revenue | ' | ' | ' | 8,100,000 | ' |
Expired minimums recognized as revenue | ' | ' | ' | 3,500,000 | ' |
Accounts receivable | 9,018,000 | ' | 9,018,000 | ' | 7,666,000 |
Revenues from affiliates | ' | ' | 1,800,000 | ' | ' |
Quintana Minerals [Member] | ' | ' | ' | ' | ' |
Related Party Transaction [Line Items] | ' | ' | ' | ' | ' |
Amount payable to related parties | 400,000 | ' | 400,000 | ' | ' |
Corsa [Member] | ' | ' | ' | ' | ' |
Related Party Transaction [Line Items] | ' | ' | ' | ' | ' |
Coal related revenues from Cline affiliates | 657,000 | 1,051,000 | 1,563,000 | 2,154,000 | ' |
Accounts receivable | 100,000 | ' | 100,000 | ' | ' |
Cline Affiliates [Member] | ' | ' | ' | ' | ' |
Related Party Transaction [Line Items] | ' | ' | ' | ' | ' |
Rate of interest in the partnerships general partner | ' | ' | 31.00% | ' | ' |
Related party transaction number of units hold by the related party in partnerships' general partner | ' | ' | 4,917,548 | ' | ' |
Accounts receivable | 8,900,000 | ' | 8,900,000 | ' | ' |
Contracts receivable | 50,800,000 | ' | 50,800,000 | ' | ' |
Unrecouped minimum royalty payments | ' | ' | 79,600,000 | ' | ' |
Proceeds from royalty payments in current year | ' | ' | 8,600,000 | ' | ' |
Net amount receivable | 6,200,000 | ' | 6,200,000 | ' | ' |
Accounts receivable | 1,500,000 | ' | 1,500,000 | ' | ' |
Sugar Camp [Member] | ' | ' | ' | ' | ' |
Related Party Transaction [Line Items] | ' | ' | ' | ' | ' |
Aggregate payments remaining under the lease | 88,800,000 | ' | 88,800,000 | ' | ' |
Unearned income | 40,900,000 | ' | 40,900,000 | ' | ' |
Net amount receivable | 47,900,000 | ' | 47,900,000 | ' | ' |
Accounts receivable | $1,800,000 | ' | $1,800,000 | ' | ' |
Related_Party_Transactions_Sum
Related Party Transactions - Summary of Reimbursements (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Related Party Transactions [Abstract] | ' | ' | ' | ' |
Reimbursement for services | $2,843 | $2,912 | $5,781 | $5,732 |
Related_Party_Transactions_Sum1
Related Party Transactions - Summary of Revenues from Related Party (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
Related Party Transaction [Line Items] | ' | ' | ' | ' |
Coal royalty revenues | $20,400 | $17,200 | $38,300 | $47,300 |
Corsa [Member] | ' | ' | ' | ' |
Related Party Transaction [Line Items] | ' | ' | ' | ' |
Coal royalty revenues | $657 | $1,051 | $1,563 | $2,154 |
Major_Lessees_Revenues_from_Le
Major Lessees - Revenues from Lessees that Exceeded Ten Percent of Total Revenues and Other Income (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 |
The Cline Group [Member] | ' | ' | ' | ' |
Operating Leased Assets [Line Items] | ' | ' | ' | ' |
Revenues | $20,432 | $17,184 | $38,254 | $47,313 |
Percent | 23.00% | 20.00% | 22.00% | 26.00% |
Alpha Natural Resources [Member] | ' | ' | ' | ' |
Operating Leased Assets [Line Items] | ' | ' | ' | ' |
Revenues | $12,810 | $15,125 | $24,451 | $28,907 |
Percent | 14.00% | 17.00% | 14.00% | 16.00% |
Major_Lessees_Additional_Infor
Major Lessees - Additional Information (Detail) | 3 Months Ended | 6 Months Ended |
Jun. 30, 2014 | Jun. 30, 2014 | |
Operating Leased Assets [Line Items] | ' | ' |
Minimum Percentage of revenues and other income derived from major two leases | ' | 36.00% |
Williamson [Member] | ' | ' |
Operating Leased Assets [Line Items] | ' | ' |
Percentage of revenues and other income received from major lessee excluding reserve swap | 10.00% | 11.00% |
Incentive_Plans_Additional_Inf
Incentive Plans - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | ||
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' | ' |
Market value of common units under the incentive plan | ' | ' | 'Average closing price over the last 20 trading days prior to the vesting date. | ' |
Vesting period of Grants in years | ' | ' | '4 years | ' |
Risk free interest rate | ' | ' | 0.13% | ' |
Risk free interest rate | ' | ' | 1.28% | ' |
Volatility rate | ' | ' | 30.42% | ' |
Volatility rate | ' | ' | 33.33% | ' |
Partnership's historical distribution rate | 7.34% | ' | 7.34% | ' |
Partnership's historical forfeiture rate | 5.22% | ' | 5.22% | ' |
Expenses related to Incentive Plan to be reimbursed to general partner | ' | ' | $438,000 | $60,000 |
Payments made in connection with Long-Term Incentive Plan | ' | ' | 5,300,000 | 7,000,000 |
Unaccrued cost associated with outstanding grants and related DERs | 9,400,000 | ' | 9,400,000 | ' |
General Partner [Member] | ' | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' | ' |
Expenses related to Incentive Plan to be reimbursed to general partner | $1,500,000 | $1,900,000 | $400,000 | $7,000,000 |
Incentive_Plans_Summary_of_Act
Incentive Plans - Summary of Activity in Outstanding Grants (Detail) | 6 Months Ended |
Jun. 30, 2014 | |
Compensation And Retirement Disclosure [Abstract] | ' |
Outstanding grants at the beginning of the period | 1,012,984 |
Grants during the year | 305,099 |
Grants vested and paid during the year | -221,700 |
Forfeitures during the year | -27,460 |
Outstanding grants at June 30, 2014 | 1,068,923 |
Shelf_Registration_Statements_1
Shelf Registration Statements and "At-the-Market" Program - Additional Information (Detail) (Shelf Registration Statement [Member], USD $) | 0 Months Ended | 6 Months Ended | |||
In Millions, except Share data, unless otherwise specified | Nov. 12, 2013 | Aug. 15, 2012 | Jun. 30, 2014 | Apr. 12, 2013 | Aug. 15, 2012 |
Distribution Made to Limited Liability Company (LLC) Member [Line Items] | ' | ' | ' | ' | ' |
Common units distributed | ' | ' | ' | ' | 15,181,716 |
Equity securities registered | ' | $500 | ' | ' | ' |
Aggregate offering price through sale agents | 75 | ' | ' | ' | ' |
Sale of common units partnership | ' | ' | 1,057,105 | ' | ' |
Common units partnership, average price | ' | ' | $16.08 | ' | ' |
Proceeds from sale of common partnership units | ' | ' | 17 | ' | ' |
Proceeds relating to common units | ' | ' | 185,097 | ' | ' |
Net proceeds from sale of common partnership units | ' | ' | 14 | ' | ' |
Remaining proceeds recorded as accounts receivable | ' | ' | 3 | ' | ' |
Common units issued in private placement | ' | ' | ' | 3,784,572 | ' |
Atm Program [Member] | ' | ' | ' | ' | ' |
Distribution Made to Limited Liability Company (LLC) Member [Line Items] | ' | ' | ' | ' | ' |
Fee paid to the manager, Percentage | 2.00% | ' | ' | ' | ' |
Fees payable to the manager, Amount | $0.10 | ' | ' | ' | ' |
Distributions_Additional_Infor
Distributions - Additional Information (Detail) (USD $) | 0 Months Ended |
14-May-14 | |
Equity [Abstract] | ' |
Quarterly distribution to holders of common units | $0.35 |
Subsequent_Events_Additional_I
Subsequent Events - Additional Information (Detail) (USD $) | 0 Months Ended | 1 Months Ended | ||
In Millions, except Share data, unless otherwise specified | 14-May-14 | Aug. 08, 2014 | Jul. 22, 2014 | Aug. 08, 2014 |
Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | ||
OCI Wyoming [Member] | ||||
Subsequent Event [Line Items] | ' | ' | ' | ' |
Distributions per unit declared | $0.35 | ' | $0.35 | ' |
Cash distributions from equity investment | ' | ' | ' | $10.30 |
Issue of additional common units by the partnership | ' | 381,009 | ' | ' |
Average price | ' | 16.33 | ' | ' |
Total gross proceeds | ' | $6.20 | ' | ' |