CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015		Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 40,538		$ 28,274
Trade receivables	171,402		184,187
Other receivables	628		1,025
Due from affiliates	30		7,107
Inventories	123,608		83,155
Advance royalties	7,663		9,416
Prepaid expenses and other assets	17,875		31,362
Total current assets	361,744		344,526
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment, at cost	3,215,566		2,815,620
Less accumulated depreciation, depletion and amortization	(1,336,176)		(1,150,414)
Total property, plant and equipment, net	1,879,390		1,665,206
OTHER ASSETS:
Advance royalties	26,887		15,895
Due from affiliate			11,047
Equity investments in affiliates	48,034		224,611
Goodwill (Note 4)	161,985
Other long-term assets	32,009		27,470
Total other assets	268,915		279,023
TOTAL ASSETS	2,510,049	[1]	2,288,755
CURRENT LIABILITIES:
Accounts payable	100,881		86,277
Due to affiliates	170		370
Accrued taxes other than income taxes	21,073		19,461
Accrued payroll and related expenses	47,514		57,656
Accrued interest	3,330		318
Workers' compensation and pneumoconiosis benefits	8,893		8,868
Current capital lease obligations	1,333		1,305
Other current liabilities	27,003		17,109
Current maturities, long-term debt	142,159		230,000
Total current liabilities	352,356		421,364
LONG-TERM LIABILITIES:
Long-term debt, excluding current maturities	810,889		591,250
Pneumoconiosis benefits	58,858		55,278
Accrued pension benefit	38,566		40,105
Workers' compensation	49,084		49,797
Asset retirement obligations	107,820		91,085
Long-term capital lease obligations	14,602		15,624
Other liabilities	22,453		5,978
Total long-term liabilities	1,102,272		849,117
Total liabilities	$ 1,454,628		$ 1,270,481
COMMITMENTS AND CONTINGENCIES
Alliance Holdings GP, L.P. ("AHGP") Partners' Capital:
Limited Partners - Common Unitholders 59,863,000 units outstanding	$ 594,438		$ 580,234
Accumulated other comprehensive loss	(14,493)		(15,456)
Total AHGP Partners' Capital	579,945		564,778
Noncontrolling interests	475,476		453,496
Total Partners' Capital	1,055,421		1,018,274
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 2,510,049		$ 2,288,755

[1] Total assets for Other and Corporate include investments in affiliate of $48.0 million at September 30, 2015. Total assets for the Illinois Basin segment and Other and Corporate include investments in affiliates of $200.1 million and $1.5 million, respectively, at September 30, 2014.