CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
SALES AND OPERATING REVENUES:
Revenues	$ 350,763	$ 526,602
EXPENSES:
Operating expenses (excluding depreciation, depletion and amortization)	234,342	302,728
General and administrative	13,438	17,812
Depreciation, depletion and amortization	73,921	71,139
Asset impairment	24,977
Goodwill impairment	132,026
Total operating expenses	483,443	421,917
(LOSS) INCOME FROM OPERATIONS	(132,680)	104,685
Interest expense (net of interest capitalized for the three months ended March 31, 2020 and 2019 of $557 and $254, respectively)	(12,279)	(11,422)
Interest income	52	91
Equity method investment income	451	324
Equity securities income		12,906
Acquisition gain		177,043
Other expense	(356)	(129)
(LOSS) INCOME BEFORE INCOME TAXES	(144,812)	283,498
INCOME TAX BENEFIT	(105)	(106)
NET (LOSS) INCOME	(144,707)	283,604
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	(76)	(7,176)
NET (LOSS) INCOME ATTRIBUTABLE TO ARLP	$ (144,783)	$ 276,428
NET INCOME ATTRIBUTABLE TO ARLP
EARNINGS PER LIMITED PARTNER UNIT - BASIC AND DILUTED	$ (1.14)	$ 2.12
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC AND DILUTED	127,072,308	128,149,791
Coal sales
SALES AND OPERATING REVENUES:
Revenues	$ 314,637	$ 476,016
EXPENSES:
Operating expenses (excluding depreciation, depletion and amortization)	234,342	302,728
Oil & gas royalties
SALES AND OPERATING REVENUES:
Revenues	14,239	10,393
Transportation revenues
SALES AND OPERATING REVENUES:
Revenues	4,739	30,238
EXPENSES:
Transportation expenses	4,739	30,238
Other revenues
SALES AND OPERATING REVENUES:
Revenues	$ 17,148	$ 9,955