LOSS 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, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (56,290)	$ (53,418)
Weighted average common shares outstanding, basic (in shares)	22,418	16,070
Weighted average common shares outstanding, diluted (in shares)	22,418	16,070
Loss per share:
Basic (in USD per share)	$ (2.51)	$ (3.32)
Diluted (in USD per share)	$ (2.51)	$ (3.32)