EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
EARNINGS PER SHARE
Net income attributable to Altisource (in dollars)	$ 36,008	$ 27,024	$ 94,457	$ 80,334
Weighted average common shares outstanding, basic	23,025,000	23,338,000	23,185,000	23,347,000
Dilutive effect of stock options (in shares)	2,308,000	1,678,000	1,885,000	1,548,000
Weighted average common shares outstanding, diluted	25,333,000	25,016,000	25,070,000	24,895,000
Earnings per share
Basic (in dollars per share)	$ 1.56	$ 1.16	$ 4.07	$ 3.44
Diluted (in dollars per share)	$ 1.42	$ 1.08	$ 3.77	$ 3.23
Options | Maximum
Anti-dilutive securities
Options excluded from the computation of diluted EPS (in shares)	100,000	100,000	100,000	100,000
Options for shares issuable upon achievement of market and performance criteria
Anti-dilutive securities
Options excluded from the computation of diluted EPS (in shares)	100,000	200,000	100,000	300,000