SHAREHOLDERS' EQUITY AND SHARE-BASED COMPENSATION (Details) (USD $)	12 Months Ended			56 Months Ended	0 Months Ended
	Dec. 31, 2014 right	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Feb. 28, 2014
Common Stock [Abstract]
Common stock, shares authorized	25,413,000	100,000,000		25,413,000
Common stock, shares issued	25,413,000	25,413,000		25,413,000
Common stock, shares outstanding	20,279,000	22,629,000		20,279,000
Common Stock Voting Rights Per Share	1
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Maximum number of Altisource share-based awards that can be granted under the Plan (in shares)	6,700,000			6,700,000
Share-based awards available for future grants under the Plan (in shares)	2,500,000			2,500,000
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Share-based compensation expense (in dollars)	$ 2,200,000	$ 2,400,000	$ 3,600,000
Outstanding (in shares)	2,601,892	2,589,343		2,601,892
Stock options granted, approximate (in shares)	137,000	100,000	300,000
Weighted average exercise price of stock options granted (in dollars per share)	$ 84.61	$ 104.84	$ 69.48
Assumptions used to determine the fair value of options as of the grant date
Fair value (in dollars per share)	$ 26.92	$ 32.59	$ 20.77
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Weighted average fair value at grant date per share (in dollars per share)	$ 26.92	$ 32.59	$ 20.77
Intrinsic value of options exercised (in dollars)	10,250,000	40,761,000	17,598,000
Grant date fair value of options vested during the period (in dollars)	2,641,000	3,156,000	2,790,000
Estimated unrecognized compensation costs (in dollars)	3,400,000			3,400,000
Weighted average remaining requisite service period for stock options over which unrecognized compensation costs would be recognized	3 years 3 months 0 days
Minimum
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Estimated forfeiture rate (as a percent)	1.00%			1.00%
Maximum
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Estimated forfeiture rate (as a percent)	10.00%			10.00%
Black-Scholes
Assumptions used to determine the fair value of options as of the grant date
Risk-free interest rate, minimum (as a percent)	1.80%	1.02%	0.87%
Risk-free interest rate, maximum (as a percent)	1.91%	1.81%	1.17%
Expected stock price volatility, minimum (as a percent)	37.57%	36.35%	34.22%
Expected stock price volatility, maximum (as a percent)	45.15%	36.76%	34.65%
Expected option life	6 years 3 months	6 years 3 months	6 years 3 months
Black-Scholes | Minimum
Assumptions used to determine the fair value of options as of the grant date
Fair value (in dollars per share)	$ 15.54	$ 31.33	$ 19.25
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Weighted average fair value at grant date per share (in dollars per share)	$ 15.54	$ 31.33	$ 19.25
Black-Scholes | Maximum
Assumptions used to determine the fair value of options as of the grant date
Fair value (in dollars per share)	$ 41.79	$ 49.14	$ 29.80
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Weighted average fair value at grant date per share (in dollars per share)	$ 41.79	$ 49.14	$ 29.80
Binomial
Assumptions used to determine the fair value of options as of the grant date
Risk-free interest rate, minimum (as a percent)	0.01%	0.01%	0.08%
Risk-free interest rate, maximum (as a percent)	2.49%	2.71%	2.04%
Expected stock price volatility, minimum (as a percent)	38.38%	36.40%	34.20%
Expected stock price volatility, maximum (as a percent)	45.15%	36.80%	34.60%
Contractual life	14 years	14 years	14 years
Binomial | Minimum
Assumptions used to determine the fair value of options as of the grant date
Fair value (in dollars per share)	$ 12.66	$ 16.12	$ 9.98
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Weighted average fair value at grant date per share (in dollars per share)	$ 12.66	$ 16.12	$ 9.98
Binomial | Maximum
Assumptions used to determine the fair value of options as of the grant date
Fair value (in dollars per share)	$ 33.62	$ 41.72	$ 22.76
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Weighted average fair value at grant date per share (in dollars per share)	$ 33.62	$ 41.72	$ 22.76
Options | Service-Based
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Vesting period	4 years
Outstanding (in shares)	800,000			800,000
Options | Service-Based | Maximum
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Expiration term	10 years
Options | Market-Based
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Outstanding (in shares)	1,800,000			1,800,000
Number of components of an award	2
Vesting percentage for awards that vest upon achievement of certain criteria	25.00%
Cumulative vesting percentage for awards that vest in equal annual installments	75.00%
Number of equal annual installments for vesting of award	3
Options | Market-Based, ordinary performance | Minimum
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Percentage of compounded annual gain of stock price over exercise price required for the award to vest	20.00%
Options | Market-Based, extraordinary performance | Minimum
STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION
Percentage of compounded annual gain of stock price over exercise price required for the award to vest	25.00%
Stock Repurchase Programs
Stock Repurchase Plan
Number of shares of common stock purchased	2,500,000	1,200,000		6,200,000
Average purchase price per share (in dollars per share)	$ 103.67	$ 116.99		$ 79.16
Remaining number of shares available for repurchase under the plan	1,100,000			1,100,000
Capacity available to repurchase common stock under senior secured term loan (in dollars)	$ 225,000,000			$ 225,000,000
2014 Stock Repurchase Program
Stock Repurchase Plan
Number of shares of common stock authorized to be purchased					3,400,000
Percentage of outstanding shares authorized to be repurchased					15.00%
Minimum purchase price authorized (in dollars per share)					$ 1.00
Maximum purchase price authorized (in dollars per share)					$ 500.00