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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (11,342)	$ (14,389)	$ (43,139)	$ (42,074)
Weighted average common shares outstanding, basic (in shares)	22,181	16,087	20,538	16,051
Weighted average common shares outstanding, diluted (in shares)	22,181	16,087	20,538	16,051
Loss per share:
Basic (in usd per share)	$ (0.51)	$ (0.89)	$ (2.10)	$ (2.62)
Diluted (in usd per share)	$ (0.51)	$ (0.89)	$ (2.10)	$ (2.62)