QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 255,887	[1],[2]	$ 287,688	[1],[2]	$ 296,072	[1],[2]	$ 239,269	[1],[2]	$ 222,585	[1],[3]	$ 210,835	[1],[3]	$ 186,110	[1],[3]	$ 148,827	[1],[3]
Gross profit	69,235	[1],[2]	98,964	[1],[2]	112,073	[1],[2]	91,464	[1],[2]	78,300	[1],[3]	76,574	[1],[3]	69,138	[1],[3]	51,865	[1],[3]	371,736	275,877	202,159
Income (loss) before income taxes and non-controlling interests	(28)	[1],[2]	45,867	[1],[2]	58,225	[1],[2]	43,201	[1],[2]	38,556	[1],[3]	38,614	[1],[3]	34,485	[1],[3]	30,678	[1],[3]	147,265	142,333	124,649
Net income	(906)	[1],[2]	43,115	[1],[2]	54,732	[1],[2]	40,146	[1],[2]	36,243	[1],[3]	36,955	[1],[3]	32,068	[1],[3]	28,527	[1],[3]	137,087	133,793	115,911
Net income (loss) attributable to Altisource	$ (1,535)	[1],[2]	$ 42,287	[1],[2]	$ 54,101	[1],[2]	$ 39,631	[1],[2]	$ 35,516	[1],[3]	$ 36,008	[1],[3]	$ 30,931	[1],[3]	$ 27,518	[1],[3]	$ 134,484	$ 129,973	$ 110,627
Earnings per share:
Basic (in dollars per share)	$ (0.08)	[1],[2]	$ 1.96	[1],[2]	$ 2.45	[1],[2]	$ 1.76	[1],[2]	$ 1.56	[1],[3]	$ 1.56	[1],[3]	$ 1.34	[1],[3]	$ 1.18	[1],[3]	$ 6.22	$ 5.63	$ 4.74
Diluted (in dollars per share)	$ (0.08)	[1],[2]	$ 1.79	[1],[2]	$ 2.24	[1],[2]	$ 1.61	[1],[2]	$ 1.42	[1],[3]	$ 1.42	[1],[3]	$ 1.25	[1],[3]	$ 1.10	[1],[3]	$ 5.69	$ 5.19	$ 4.43
Weighted average shares outstanding:
Basic (in shares)	20,306	[1],[2]	21,626	[1],[2]	22,089	[1],[2]	22,509	[1],[2]	22,734	[1],[3]	23,025	[1],[3]	23,161	[1],[3]	23,374	[1],[3]	21,625	23,072	23,358
Diluted (in shares)	20,306	[1],[2]	23,640	[1],[2]	24,166	[1],[2]	24,662	[1],[2]	25,005	[1],[3]	25,333	[1],[3]	24,823	[1],[3]	25,058	[1],[3]	23,634	25,053	24,962

[1] The sum of quarterly amounts, including per share amounts, may not equal amounts reported for year-to-date periods. This is due to the effects of rounding and changes in the number of weighted average shares outstanding for each period.

[2] We acquired Mortgage Builder on September 12, 2014 and acquired Owners.com on November 21, 2014 (see Note 5).

[3] We acquired the Homeward fee-based businesses on March 29, 2013, completed the ResCap fee-based business transaction on April 12, 2013 and acquired Equator on November 15, 2013 (see Note 5).