(LOSS) EARNINGS PER SHARE - Summary of Basic and Diluted Loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net (loss) income attributable to Altisource	$ (53,418)	$ 11,812
Weighted average common shares outstanding, basic (in shares)	16,070	15,839
Dilutive effect of stock options, restricted shares and restricted share units (in shares)	0	224
Weighted average common shares outstanding, diluted (in shares)	16,070	16,063
(Loss) earnings per share:
Basic (in USD per share)	$ (3.32)	$ 0.75
Diluted (in USD per share)	$ (3.32)	$ 0.74