LOSS PER SHARE - Schedule of Basic and Diluted Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (8,307)	$ (18,850)	$ (17,505)	$ (31,797)
Weighted average common shares outstanding, basic (in shares)	28,551	20,840	28,366	19,648
Weighted average common shares outstanding, diluted (in shares)	28,551	20,840	28,366	19,648
Loss per share:
Basic (in usd per share)	$ (0.29)	$ (0.90)	$ (0.62)	$ (1.62)
Diluted (in usd per share)	$ (0.29)	$ (0.90)	$ (0.62)	$ (1.62)