QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
QUARTERLY FINANCIAL DATA (UNAUDITED)
Revenue	$ 222,585	$ 210,835	$ 186,110	$ 148,827	$ 141,101	$ 143,988	$ 144,205	$ 139,066
Gross profit	78,300	76,574	69,138	51,865	53,685	49,701	51,467	47,306	275,877	202,159	147,838
Income before income taxes and non-controlling interests	38,556	38,614	34,485	30,678	31,599	30,982	32,128	29,940	142,333	124,649	85,910
Net income	36,243	36,955	32,068	28,527	31,354	28,084	29,352	27,121	133,793	115,911	77,967
Net income attributable to Altisource	$ 35,516	$ 36,008	$ 30,931	$ 27,518	$ 30,293	$ 27,024	$ 28,081	$ 25,229	$ 129,973	$ 110,627	$ 71,112
Earnings per share:
Basic (in dollars per share)	$ 1.56	$ 1.56	$ 1.34	$ 1.18	$ 1.30	$ 1.16	$ 1.20	$ 1.08	$ 5.63	$ 4.74	$ 2.92
Diluted (in dollars per share)	$ 1.42	$ 1.42	$ 1.25	$ 1.10	$ 1.20	$ 1.08	$ 1.13	$ 1.02	$ 5.19	$ 4.43	$ 2.77
Weighted average shares outstanding:
Basic (in shares)	22,734	23,025	23,161	23,374	23,389	23,338	23,316	23,381	23,072	23,358	24,373
Diluted (in shares)	25,005	25,333	24,823	25,058	25,162	25,016	24,846	24,844	25,053	24,962	25,685