LOSS PER SHARE - Schedule of Basic and Diluted Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (14,389)	$ (18,269)	$ (42,074)	$ (58,746)
Weighted average common shares outstanding, basic (in shares)	16,087	15,831	16,051	15,816
Weighted average common shares outstanding, diluted (in shares)	16,087	15,831	16,051	15,816
Loss per share:
Basic (in usd per share)	$ (0.89)	$ (1.15)	$ (2.62)	$ (3.71)
Diluted (in usd per share)	$ (0.89)	$ (1.15)	$ (2.62)	$ (3.71)