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, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (18,850)	$ (15,495)	$ (31,797)	$ (27,685)
Weighted average common shares outstanding, basic (in shares)	20,840	16,083	19,648	16,020
Weighted average common shares outstanding, diluted (in shares)	20,840	16,083	19,648	16,020
Loss per share:
Basic (in usd per share)	$ (0.90)	$ (0.96)	$ (1.62)	$ (1.73)
Diluted (in usd per share)	$ (0.90)	$ (0.96)	$ (1.62)	$ (1.73)