SEGMENTS OF BUSINESS - Schedule of EBITDA Margin to Income (loss) before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
SEGMENTS OF BUSINESS
Other Operating Revenue	$ 2,355	$ 1,377	$ 8,780	$ 3,685
Depreciation, Depletion and Amortization	(9,142)	(13,838)	(29,661)	(42,930)
Asset Retirement Obligations Accretion	(446)	(410)	(1,310)	(1,208)
Exploration Costs	(38)	(62)	(157)	(179)
Gain (loss) on disposal or abandonment of assets, net	2,334	290	2,410	536
Interest Expense	(4,927)	(2,692)	(12,469)	(10,364)
Loss on Extinguishment of Debt				(2,790)
Equity Method Investment (Loss)	(248)	(234)	(287)	(740)
Corporate - General and Administrative	(1,400)	(3,136)	(8,834)	(8,446)
Corporate - Other Operating and Maintenance Costs		(114)		(337)
NET INCOME (LOSS) BEFORE INCOME TAXES	23,884	1,786	42,111	(13,735)
Electric sales
SEGMENTS OF BUSINESS
EBITDA Margin	44,117	41,083	115,993	102,813
Coal sales
SEGMENTS OF BUSINESS
EBITDA Margin	(8,721)	(20,478)	(32,354)	(53,775)
Operating Segment \| Electric Operations
SEGMENTS OF BUSINESS
EBITDA Margin	25,911	24,085	67,671	55,408
Other Operating Revenue	192	187	3,413	518
Depreciation, Depletion and Amortization	(5,131)	(4,802)	(15,456)	(14,197)
Asset Retirement Obligations Accretion	(126)	(115)	(369)	(339)
Interest Expense	(2,585)	(181)	(6,208)	(515)
NET INCOME (LOSS) BEFORE INCOME TAXES	18,261	19,174	49,051	40,875
Operating Segment \| Electric Operations \| Electric sales
SEGMENTS OF BUSINESS
EBITDA Margin	25,911	24,085	67,671	55,408
Operating Segment \| Coal Operations
SEGMENTS OF BUSINESS
EBITDA Margin	8,837	(3,820)	17,175	(7,802)
Other Operating Revenue	1,647	721	4,370	2,028
Depreciation, Depletion and Amortization	(3,992)	(9,013)	(14,148)	(28,671)
Asset Retirement Obligations Accretion	(320)	(295)	(941)	(869)
Exploration Costs	(38)	(62)	(157)	(179)
Gain (loss) on disposal or abandonment of assets, net	2,334	290	2,410	536
Interest Expense	(2,342)	(2,511)	(6,261)	(8,908)
NET INCOME (LOSS) BEFORE INCOME TAXES	6,126	(14,690)	2,448	(43,865)
Operating Segment \| Coal Operations \| Coal sales
SEGMENTS OF BUSINESS
EBITDA Margin	8,837	(3,820)	17,175	(7,802)
Corporate and Other and Eliminations
SEGMENTS OF BUSINESS
Other Operating Revenue	516	469	997	1,139
Depreciation, Depletion and Amortization	(19)	(23)	(57)	(62)
Interest Expense				(941)
Loss on Extinguishment of Debt				(2,790)
Equity Method Investment (Loss)	(248)	(234)	(287)	(740)
Corporate - General and Administrative	(1,400)	(3,136)	(8,834)	(8,446)
Corporate - Other Operating and Maintenance Costs		(114)		(337)
NET INCOME (LOSS) BEFORE INCOME TAXES	(503)	(2,698)	(9,388)	(10,745)
Corporate and Other and Eliminations \| Electric sales
SEGMENTS OF BUSINESS
EBITDA Margin	18,206	16,998	48,322	47,405
Corporate and Other and Eliminations \| Coal sales
SEGMENTS OF BUSINESS
EBITDA Margin	$ (17,558)	$ (16,658)	$ (49,529)	$ (45,973)

HALLADOR ENERGY CO 10-Q