ACQUISITIONS (Details 6) (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	May 07, 2013
Pro forma consolidated results of operations
Revenue, As reported									$ 768,357	$ 568,360	$ 423,687
Revenue, Pro forma									854,098	781,834
Net income attributable to Altisource, As reported	35,516	36,008	30,931	27,518	30,293	27,024	28,081	25,229	129,973	110,627	71,112
Net income attributable to Altisource, Pro forma									132,907	129,229
Earnings per share - diluted (in dollars per share), As reported	$ 1.42	$ 1.42	$ 1.25	$ 1.10	$ 1.20	$ 1.08	$ 1.13	$ 1.02	$ 5.19	$ 4.43	$ 2.77
Earnings per share - diluted (in dollars per share), Pro forma									$ 5.31	$ 5.18
Debt carrying amount	$ 396,503				$ 200,000				$ 396,503	$ 200,000		$ 400,000