NET LOSS PER SHARE - Schedule of Net Loss Per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Loss from continuing operations, net noncontrolling interests and accrued preferred stock dividends	$ (15,465)	$ (18,653)
Loss from discontinued operations	(9,410)	(9,865)
Net loss attributable to NeueHealth, Inc. common shareholders	$ (24,875)	$ (28,518)
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic (in shares)	8,570	8,079
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, diluted (in shares)	8,570	8,079
Basic and diluted loss per share attributable to NeueHealth, Inc. common shareholders
Continuing operations, basic (in dollars per share)	$ (1.80)	$ (2.31)
Continuing operations, diluted (in dollars per share)	(1.80)	(2.31)
Discontinued operations, basic (in dollars per share)	(1.10)	(1.22)
Discontinued operations, diluted (in dollars per share)	(1.10)	(1.22)
Net loss per share attributable to common stockholders, basic (in dollars per share)	(2.90)	(3.53)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (2.90)	$ (3.53)