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2ahgp_BusinessCombinationsAndSignificantAcquisitionsDisclosureTextBlockahgp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;">
<p style="MARGIN: 0in 0in 0pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt; FONT-WEIGHT: bold;" size="2">4.         ACQUISITIONS</font></b></p>
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<p style="TEXT-INDENT: -0.5in; MARGIN: 0in 0in 0pt 0.5in;"><i><font style="FONT-STYLE: italic; FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">Asset Acquisition</font></i></p>
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<p style="TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">In June 2013, the ARLP Partnership’s subsidiary, Alliance Resource Properties, LLC (“Alliance Resource Properties”), acquired the rights to approximately 11.6 million tons of proven and probable medium-sulfur coal reserves, and an additional 5.9 million resource tons, in Grant and Tucker County, West Virginia from Laurel Run Mining Company, a subsidiary of Consol Energy, Inc.  The purchase price of $25.2 million was allocated to owned and leased coal rights and was financed using existing cash on hand.  As a result of the coal reserve purchase, the ARLP Partnership reclassified certain tons of medium-sulfur, non-reserve coal deposits as reserves, which together with the reserves purchased above, extended the expected life of Mettiki Coal (WV), LLC’s Mountain View mine.</font></p>
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<p style="MARGIN: 0in 0in 0pt;"><i><font style="FONT-STYLE: italic; FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">Green River Collieries, LLC</font></i></p>
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<p style="TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">On April 2, 2012, the ARLP Partnership acquired substantially all of Green River Collieries, LLC’s (“Green River”) assets related to its coal mining business and operations located in Webster and Hopkins Counties, Kentucky for consideration of $100.0 million.  The transaction included the Onton No. 9 mining complex (“Onton mine”), which included the mine, a dock, tugboat, and a lease for the preparation plant, and an estimated 40.0 million tons of coal reserves in the West Kentucky No. 9 coal seam.   The Green River acquisition was consistent with the ARLP Partnership’s general business strategy and complemented its current coal mining operations.</font></p>
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<p style="TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">During the quarter ended September 30, 2012, the ARLP Partnership finalized the purchase price allocation related to the assets acquired and liabilities assumed from Green River.  The adjustments to the preliminary fair values resulted from additional information obtained about facts in existence on April 2, 2012.</font></p>
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<p style="TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">The following unaudited pro forma information for the six months ended June 30, 2012 for the AHGP Partnership has been prepared for illustrative purposes as if the business combination occurred on January 1, 2011, the year prior to the acquisition date.  The unaudited pro forma results have been prepared based upon Green River’s historical results with respect to the business acquired and estimates of the effects of the transactions that the ARLP Partnership believes are reasonable and supportable. The results are not necessarily reflective of the consolidated results of operations had the acquisition actually occurred on January 1, 2011, nor are they indicative of future operating results.</font></p>
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<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold;" size="2">Six Months Ended</font></b></p></td>
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<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold;" size="2">June 30, 2012</font></b></p></td>
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<p style="TEXT-ALIGN: center; MARGIN: 0in 0in 0pt;" align="center"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">(in thousands)</font></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold;" size="2">Total revenues</font></b></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">As reported</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">$</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">973,264</font></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">Pro forma</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">$</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">1,000,608</font></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold;" size="2">Net income</font></b></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">As reported</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">$</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">176,367</font></p></td>
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<p style="TEXT-INDENT: -10pt; MARGIN: 0in 0in 0pt 10pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">Pro forma</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">$</font></p></td>
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<p style="TEXT-ALIGN: right; MARGIN: 0in 0in 0pt;" align="right"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10.5pt;" size="2">177,879</font></p></td>
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<p style="TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">The pro forma net income includes adjustments to depreciation, depletion and amortization to reflect the new basis in property, plant and equipment and intangible assets acquired, elimination of income tax expense, and the elimination of interest expense of Green River as its debt was paid off in conjunction with the acquisition.</font></p>
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<p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 11pt;" size="2">Synergies from the acquisition are not reflected in the pro forma results.</font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaThe entire disclosure for business combinations (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. Also includes disclosure of any significant acquisitions of assets not accounted for as business combinations.No definition available.false0
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