EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Net income attributable to Altisource	$ 6,961	$ 10,589	$ 22,541	$ 49,077
Weighted average common shares outstanding, basic (in shares)	18,023	18,715	18,337	18,669
Dilutive effect of stock options (in shares)	406	853	517	1,069
Weighted average common shares outstanding, diluted (in shares)	18,429	19,568	18,854	19,738
Earnings per share:
Basic (in usd per share)	$ 0.39	$ 0.57	$ 1.23	$ 2.63
Diluted (in usd per share)	$ 0.38	$ 0.54	$ 1.20	$ 2.49
Service Based Options
Anti-dilutive securities
Options excluded from the computation of diluted EPS (in shares)	900	400	500	400
Performance Based Options
Anti-dilutive securities
Options excluded from the computation of diluted EPS (in shares)	400	400	300	400

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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