LOSS PER SHARE - Schedule of Basic and Diluted Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (12,947)	$ (12,190)
Weighted average common shares outstanding, basic (in shares)	18,442	15,956
Weighted average common shares outstanding, diluted (in shares)	18,442	15,956
Loss per share:
Basic (in usd per share)	$ (0.70)	$ (0.76)
Diluted (in usd per share)	$ (0.70)	$ (0.76)