LOSS PER SHARE - Schedule of Basic and Diluted EPS Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (9,362)	$ (11,342)	$ (26,867)	$ (43,139)
Weighted average common shares outstanding, basic (in shares)	28,672	22,181	28,469	20,538
Weighted average common shares outstanding, diluted (in shares)	28,672	22,181	28,469	20,538
Loss per share:
Basic (in usd per share)	$ (0.33)	$ (0.51)	$ (0.94)	$ (2.10)
Diluted (in usd per share)	$ (0.33)	$ (0.51)	$ (0.94)	$ (2.10)