ACQUISITIONS (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	May 07, 2013	Dec. 31, 2012
Pro forma condensed consolidated results of operations
Revenue, As reported	$ 210,835	$ 143,988	$ 545,772	$ 427,259
Revenue, Pro forma		180,451	579,263	536,647
Net income attributable to Altisource, As reported	36,008	27,024	94,457	80,334
Net income attributable to Altisource, Pro forma		34,665	101,413	103,313
Earnings per share - diluted (in dollars per share), As reported	$ 1.42	$ 1.08	$ 3.77	$ 3.23
Earnings per share - diluted (in dollars per share), Pro forma		$ 1.39	$ 4.05	$ 4.15
Debt carrying amount	$ 397,497		$ 397,497		$ 400,000	$ 200,000