CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 8,643	$ 44,525
Trade receivables	181,671	152,032
Other receivables	146	279
Due from affiliates	25	37
Inventories, net	60,275	61,051
Advance royalties, net	4,510	1,207
Prepaid expenses and other assets	28,192	22,128
Total current assets	283,462	281,259
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment, at cost	2,934,188	2,920,988
Less accumulated depreciation, depletion and amortization	(1,457,532)	(1,335,145)
Total property, plant and equipment, net	1,476,656	1,585,843
OTHER ASSETS:
Advance royalties, net	39,660	29,372
Equity investments	147,964	138,817
Cost investments	106,398
Goodwill	136,399	136,399
Other long-term assets	30,712	25,997
Total other assets	461,133	330,585
TOTAL ASSETS	2,221,251	2,197,687
CURRENT LIABILITIES:
Accounts payable	97,371	64,460
Due to affiliates	771	906
Accrued taxes other than income taxes	20,366	18,288
Accrued payroll and related expenses	35,801	41,576
Accrued interest	5,005	316
Workers' compensation and pneumoconiosis benefits	10,729	9,897
Current capital lease obligations	28,613	27,196
Other current liabilities	19,071	14,778
Current maturities, long-term debt, net	72,400	149,874
Total current liabilities	290,127	327,291
LONG-TERM LIABILITIES:
Long-term debt, excluding current maturities, net	415,937	399,446
Pneumoconiosis benefits	71,875	62,822
Accrued pension benefit	45,317	42,070
Workers' compensation	46,694	40,400
Asset retirement obligations	126,750	125,266
Long-term capital lease obligations	57,091	85,540
Other liabilities	14,587	17,203
Total long-term liabilities	778,251	772,747
Total liabilities	1,068,378	1,100,038
Alliance Holdings GP, L.P. ("AHGP") Partners' Capital:
Limited Partners - Common Unitholders 59,863,000 units outstanding	626,831	598,077
Accumulated other comprehensive loss	(34,820)	(16,550)
Total AHGP Partners' Capital	592,011	581,527
Noncontrolling interests	560,862	516,122
Total Partners’ Capital	1,152,873	1,097,649
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 2,221,251	$ 2,197,687