Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues [Abstract]
Total revenue	$ 1,576,746	$ 1,449,817	$ 4,719,260	$ 4,359,783
Expenses:
Salaries and benefits	676,962	635,223	2,006,311	1,880,790
Professional fees	305,083	274,223	882,952	810,820
Supplies	275,881	251,862	805,375	769,034
Other operating expenses	198,714	117,700	493,179	354,851
Interest expense	13,914	14,629	42,819	52,050
Depreciation and amortization	39,156	36,771	114,666	108,434
Loss on extinguishment and modification of debt	7,344	1,490	7,344	3,388
Other non-operating gains	(2,597)	(2,807)	(23,320)	(3,062)
Total operating expenses	1,578,949	1,392,750	4,525,273	4,163,969
(Loss) income before income taxes	(2,203)	57,067	193,987	195,814
Income tax (benefit) expense	(3,410)	11,062	38,114	36,997
Net income	1,207	46,005	155,873	158,817
Net income attributable to noncontrolling interests	24,685	19,683	65,018	62,678
Net (loss) income attributable to Ardent Health, Inc.	$ (23,478)	$ 26,322	$ 90,855	$ 96,139
Net (loss) income per share:
Net income per common share, basic (in USD per share)	$ (0.17)	$ 0.19	$ 0.65	$ 0.74
Net income per common share, diluted (in USD per share)	$ (0.17)	$ 0.19	$ 0.64	$ 0.74
Weighted-average common shares outstanding:
Weighted average number of common shares, basic (in shares)	141,226,862	137,107,595	140,569,409	129,877,510
Weighted average number of common shares, diluted (in shares)	141,226,862	137,542,995	141,242,065	130,022,643
Nonrelated Party
Expenses:
Rents and leases	$ 26,386	$ 26,410	$ 81,972	$ 76,251
Related Party
Expenses:
Rents and leases	$ 38,106	$ 37,249	$ 113,975	$ 111,413