SHAREHOLDERS' EQUITY AND SHARE-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Millions | | | | 12 Months Ended |
Sep. 07, 2023 USD ($) $ / shares shares | Feb. 14, 2023 USD ($) $ / shares shares | May 15, 2018 $ / shares shares | Dec. 31, 2023 USD ($) vote component $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares |
Equity And Share-Based Compensation | | | | | |
Common stock, shares authorized (in shares) | | | | 100,000,000 | 100,000,000 |
Common stock, shares issued (in shares) | | | | 29,963,000 | 25,413,000 |
Common stock, shares outstanding (in shares) | | | | 26,496,000 | 16,129,000 |
Voting rights per share | vote | | | | 1,000 | |
Maximum number of Altisource share-based awards that can be granted under the Plan (in shares) | | | | 8,400,000 | |
Share-based awards available for future grants under the Plan (in shares) | | | | 1,800,000 | |
Authorized amount (approximately) | $ | | | | $ 116 | |
Share-based compensation expense | $ | | | | 5.1 | $ 5.1 |
Estimated unrecognized compensation costs | $ | | | | $ 2.1 | |
Weighted average remaining requisite service period for stock options over which unrecognized compensation costs would be recognized | | | | 1 year 1 month 20 days | |
Options outstanding (in shares) | | | | 739,189 | 745,277 |
Granted (in shares) | | | | 0 | 120,000 |
Granted (in dollars per share) | $ / shares | | | | $ 0 | $ 11.86 |
Common stock | Public Stock Offering | | | | | |
Equity And Share-Based Compensation | | | | | |
Number of shares issued in transaction | 5,590,277 | 4,550,000 | | | |
Sale of stock (in usd per share) | $ / shares | $ 3.60 | $ 5 | | | |
Net proceeds from sale of stock | $ | $ 18.4 | $ 20.5 | | | |
Stock Options, Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Options outstanding (in shares) | | | | 461,000 | |
Stock Options, Performance-Based | Share-based Payment Arrangement, Tranche Two | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 25% | |
Stock Options, Performance-Based | Share-based Payment Arrangement, Tranche Four | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 25% | |
Stock Options, Performance-Based | Share-based Payment Arrangement, Tranche One | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 25% | |
Stock Options, Performance-Based | Share-based Payment Arrangement, Tranche Three | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 25% | |
Restricted Shares and Restricted Stock Units (RSUs), Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, outstanding (in shares) | | | | 141,000 | |
Restricted Shares and Restricted Stock Units (RSUs), Performance-Based | Share-based Payment Arrangement, Tranche Two | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 33% | |
Restricted Shares and Restricted Stock Units (RSUs), Performance-Based | Share-based Payment Arrangement, Tranche One | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 33% | |
Restricted Shares and Restricted Stock Units (RSUs), Performance-Based | Share-based Payment Arrangement, Tranche Three | | | | | |
Equity And Share-Based Compensation | | | | | |
Award vesting percentage (in percent) | | | | 33% | |
Stock Options, Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Options outstanding (in shares) | | | | 96,000 | |
Number of components of an award | component | | | | 2 | |
Allowable performance period before expiration date (in years) | | | | 3 years | |
Restricted Stock Units (RSUs), Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, granted (in shares) | | | | 57,000 | 46,000 |
Restricted Share Units | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, granted (in shares) | | | | 891,000 | 501,000 |
Other than options, granted (in dollars per share) | $ / shares | | | | $ 4.82 | $ 10.33 |
Restricted Stock Units (RSUs), Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, granted (in shares) | | | | 57,000 | 46,000 |
Restricted Shares and Restricted Stock Units (RSUs), Performance-Based and Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, outstanding (in shares) | | | | 125,000 | |
Restricted Shares and Restricted Stock Units (RSUs), Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, outstanding (in shares) | | | | 112,000 | |
Stock Options, Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Options outstanding (in shares) | | | | 182,000 | |
Ordinary performance | | | | | |
Equity And Share-Based Compensation | | | | | |
Percentage of awards (in percent) | | | | 67% | |
Vesting threshold | | | | 2 | |
Restricted Shares and Restricted Stock Units (RSUs), Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Other than options, outstanding (in shares) | | | | 884,000 | |
Extraordinary performance | | | | | |
Equity And Share-Based Compensation | | | | | |
Percentage of awards (in percent) | | | | 33% | |
Vesting threshold | | | | 3 | |
Minimum | Stock Options, Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Allowable performance period before expiration date (in years) | | | | 10 years | |
Attainment above threshold performance levels, vesting percentage (in percent) | | | | 50% | |
Minimum | Stock Options, Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 3 years | |
Minimum | Restricted Shares and Restricted Stock Units (RSUs), Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 30 days | |
Award vesting percentage (in percent) | | | | 50% | |
Minimum | Stock Options, Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 3 years | |
Minimum | Ordinary performance | | | | | |
Equity And Share-Based Compensation | | | | | |
Percentage of compounded annual gain of stock price over exercise price required for the award to vest (in percent) | | | | 20% | |
Minimum | Restricted Shares and Restricted Stock Units (RSUs), Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 1 year | |
Minimum | Extraordinary performance | | | | | |
Equity And Share-Based Compensation | | | | | |
Percentage of compounded annual gain of stock price over exercise price required for the award to vest (in percent) | | | | 25% | |
Maximum | Stock Options, Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Attainment above threshold performance levels, vesting percentage (in percent) | | | | 200% | |
Maximum | Restricted Shares and Restricted Stock Units (RSUs), Performance-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Attainment above threshold performance levels, vesting percentage (in percent) | | | | 150% | |
Maximum | Stock Options, Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 4 years | |
Expiration term (in years) | | | | 10 years | |
Maximum | Restricted Shares and Restricted Stock Units (RSUs), Performance-Based and Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Attainment above threshold performance levels, vesting percentage (in percent) | | | | 300% | |
Maximum | Restricted Shares and Restricted Stock Units (RSUs), Market-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 1 year | |
Award vesting percentage (in percent) | | | | 50% | |
Maximum | Stock Options, Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 4 years | |
Expiration term (in years) | | | | 10 years | |
Maximum | Restricted Shares and Restricted Stock Units (RSUs), Service-Based | | | | | |
Equity And Share-Based Compensation | | | | | |
Vesting period (in years) | | | | 4 years | |
Stock Repurchase Program, Current | | | | | |
Equity And Share-Based Compensation | | | | | |
Number of shares of common stock authorized to be purchased (in shares) | | | 3,100,000 | | |
Percentage of outstanding shares authorized to be repurchased | | | 15% | | |
Minimum purchase price authorized (in dollars per share) | $ / shares | | | $ 1 | | |
Maximum purchase price authorized (in dollars per share) | $ / shares | | | $ 25 | | |
Stock repurchase program, period in force | | | 5 years | | |
Remaining number of shares available for repurchase under the plan (in shares) | | | | 3,100,000 | |
Stock Repurchase Programs | | | | | |
Equity And Share-Based Compensation | | | | | |
Number of shares of common stock purchased (in shares) | | | | 0 | 0 |