CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 296,023	$ 122,403
Trade receivables	238,610	129,531
Other receivables	8,601	680
Inventories, net	77,326	60,302
Advance royalties	7,556	4,958
Prepaid expenses and other assets	26,675	21,354
Total current assets	654,791	339,228
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment, at cost	3,857,390	3,608,347
Less accumulated depreciation, depletion and amortization	(2,040,468)	(1,909,669)
Total property, plant and equipment, net	1,816,922	1,698,678
OTHER ASSETS:
Advance royalties	67,713	63,524
Equity method investments	49,371	26,325
Equity securities	42,000
Operating lease right-of-use assets	14,950	14,158
Other long-term assets	15,726	17,493
Total other assets	189,760	121,500
TOTAL ASSETS	2,661,473	2,159,406
CURRENT LIABILITIES:
Accounts payable	95,122	69,586
Accrued taxes other than income taxes	22,967	17,787
Accrued payroll and related expenses	39,623	36,805
Accrued interest	5,000	5,000
Workers' compensation and pneumoconiosis benefits	14,099	12,293
Other current liabilities	53,790	20,035
Current maturities, long-term debt, net	24,970	16,071
Total current liabilities	255,571	177,577
LONG-TERM LIABILITIES:
Long-term debt, excluding current maturities, net	397,203	418,942
Pneumoconiosis benefits	100,089	107,560
Accrued pension benefit	12,553	25,590
Workers' compensation	39,551	44,911
Asset retirement obligations	142,254	123,517
Long-term operating lease obligations	12,132	12,366
Deferred income tax liabilities	35,814	391
Other liabilities	24,828	22,483
Total long-term liabilities	764,424	755,760
Total liabilities	1,019,995	933,337
COMMITMENTS AND CONTINGENCIES - (Note 23)
ARLP Partners' Capital:
Limited Partners - Common Unitholders 127,195,219 units outstanding	1,656,025	1,279,183
Accumulated other comprehensive loss	(41,054)	(64,229)
Total ARLP Partners' Capital	1,614,971	1,214,954
Noncontrolling interest	26,507	11,115
Total Partners' Capital	1,641,478	1,226,069
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 2,661,473	$ 2,159,406