EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
EARNINGS PER SHARE
Net income attributable to Altisource (in dollars)	$ 28,081	$ 13,385	$ 53,310	$ 28,210
Weighted-average common shares outstanding, basic	23,316,000	24,625,000	23,353,000	24,734,000
Dilutive effect of stock options (in shares)	1,530,000	1,148,000	1,497,000	1,117,000
Weighted-average common shares outstanding, diluted	24,846,000	25,773,000	24,850,000	25,851,000
Earnings per share
Basic (in dollars per share)	$ 1.20	$ 0.54	$ 2.28	$ 1.14
Diluted (in dollars per share)	$ 1.13	$ 0.52	$ 2.15	$ 1.09
Options excluded from the computation of diluted EPS (in shares)	300,000	600,000	300,000	600,000