Business and Organization (Details) - USD ($)			12 Months Ended
	Oct. 02, 2023	Mar. 13, 2023	Dec. 31, 2023	Dec. 31, 2022
Net proceeds		$ 291,200,000
Offering costs			$ 0	$ 6,300,000
Deferred tax liability arising from the IPO		$ 27,500,000	(27,537,000)
Deferred tax liability arising from Up-C simplification	$ 62,700,000		$ (62,708,000)
Legacy Owners [Member]
Economic interest			57.10%
Operating interest percentage			42.20%
Operating interest			57.10%
Atlas LLC
Percentage of voting power			82.00%
Atlas LLC | Legacy Owners [Member]
Economic interest			68.50%
Operating interest percentage			42.90%
Operating interest			68.50%
Common Class A [Member]
Shares issued price per share	$ 23.36	$ 18
Common Class A [Member] | Atlas LLC
Common stock, shares issued			39,147,501
Common Class B [Member] | Atlas LLC
Common stock, par value			$ 0.01
Common stock, shares issued			42,852,499
Old Atlas Class A Shares
Common stock, par value			$ 0.01
Common stock, shares issued			0
Old Atlas Class B Shares
Common stock, par value			$ 0.01
Common stock, shares issued			0
Common Stock [Member] | Common Class A [Member]
Issuance of Common Stock in IPO, net of offering costs, Shares			18,000
Common Stock [Member] | Common Class A [Member] | Atlas LLC
Shares issued			1,000
New Atlas Common Stock
Common stock, shares issued			100,025,584
Pubco Merger | New Atlas Common Stock
Common stock, par value			$ 0.01
IPO [Member]
Proceeds from equity issuances		$ 324,000,000
Underwriting discounts and commissions		$ 20,600,000
Offering costs			$ 5,900,000	$ 6,300,000
IPO [Member] | Common Class A [Member]
Issuance of Common Stock in IPO, net of offering costs, Shares		18,000,000
Common stock, par value		$ 0.01
Shares issued price per share		$ 18