QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 269,887	$ 272,776	$ 268,321	$ 240,482	$ 255,887	$ 287,688	$ 296,072	$ 239,269
Gross profit	97,395	98,926	100,162	67,656	69,235	98,964	112,073	91,464	$ 364,139	$ 371,736	$ 275,877
Income (loss) before income taxes and non-controlling interests	(44,192)	41,200	51,244	4,808	(28)	45,867	58,225	43,201	53,060	147,265	142,333
Net income	(44,351)	37,897	46,846	4,408	(906)	43,115	54,732	40,146	44,800	137,087	133,793
Net income (loss) attributable to Altisource	$ (45,096)	$ 37,046	$ 45,950	$ 3,698	$ (1,535)	$ 42,287	$ 54,101	$ 39,631	$ 41,598	$ 134,484	$ 129,973
Earnings per share:
Basic (in dollars per share)	$ (2.35)	$ 1.94	$ 2.35	$ 0.18	$ (0.08)	$ 1.96	$ 2.45	$ 1.76	$ 2.13	$ 6.22	$ 5.63
Diluted (in dollars per share)	$ (2.35)	$ 1.82	$ 2.22	$ 0.18	$ (0.08)	$ 1.79	$ 2.24	$ 1.61	$ 2.02	$ 5.69	$ 5.19
Weighted average shares outstanding:
Basic (in shares)	19,196	19,091	19,571	20,172	20,306	21,626	22,089	22,509	19,504	21,625	23,072
Diluted (in shares)	19,196	20,411	20,669	20,995	20,306	23,640	24,166	24,662	20,619	23,634	25,053
Impairment losses									$ 71,785	$ 37,473	$ 0