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LONG-TERM DEBT - Senior Secured Term Loans and New Facility (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 19, 2025	Apr. 30, 2018	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Apr. 03, 2025	Dec. 31, 2023
Debt Instrument [Line Items]
Senior secured term loans			$ 171,260		$ 171,566
Debt exchange transaction expenses			0	$ 2,980	3,600
Long-term debt			189,751		191,086
Price of warrant or right (in usd per share)							$ 0.01
Debt issuance and amendment costs			900		900
Accumulated amortization of debt issuance and amendment costs			$ (9,100)		$ (9,100)
Altisource S.A.R.L. | Deer Park Road Management Company, LP
Debt Instrument [Line Items]
Noncontrolling ownership (in percent)			13.00%		13.00%
Altisource S.A.R.L. | UBS Stakeholder Warrants
Debt Instrument [Line Items]
Noncontrolling ownership (in percent)			22.00%		22.00%
Altisource S.A.R.L. | Benefit Street Partners L.L.C.
Debt Instrument [Line Items]
Noncontrolling ownership (in percent)			16.00%		16.00%
Line of Credit
Debt Instrument [Line Items]
Debt conversion, converted instrument, shares issued (in shares)	7,300,000
Maximum borrowing capacity	$ 110,000
Upfront fee	50,000
April 2018 Credit Agreement | Term B Loans
Debt Instrument [Line Items]
Debt instrument, face amount		$ 412,000
April 2018 Credit Agreement | Term B Loans | Deer Park Road Management Company, LP | Altisource S.A.R.L.
Debt Instrument [Line Items]
Long-term debt			$ 19,800		$ 19,800
Interest received			400	400
Warrant shares (in shares)						1,900,000
Price of warrant or right (in usd per share)						$ 9.5998
April 2018 Credit Agreement | Term B Loans | UBS Stakeholder Warrants | Altisource S.A.R.L.
Debt Instrument [Line Items]
Long-term debt			63,600		63,700
Interest received			1,300	1,600
Warrant shares (in shares)						200,000
Price of warrant or right (in usd per share)						$ 9.5998
April 2018 Credit Agreement | Term B Loans | Benefit Street Partners L.L.C. | Altisource S.A.R.L.
Debt Instrument [Line Items]
Long-term debt			30,800		$ 30,800
Interest received			$ 500	$ 400
Warrant shares (in shares)						2,200,000
Price of warrant or right (in usd per share)						$ 9.5998
April 2018 Credit Agreement | Term B Loans | Maximum
Debt Instrument [Line Items]
Amount of principal or interest if failed to pay considered as event of default		10,000
Amount of debt which results in acceleration of debt if failed to pay considered as event of default		10,000
Amount of unbonded, undischarged or unstayed debt under entry by court of one or more judgments for certain period to determine as event of default		$ 15,000
April 2018 Credit Agreement | Line of Credit | Credit Facility
Debt Instrument [Line Items]
Payment due date default period		5 days
Senior Secured Term Loans
Debt Instrument [Line Items]
Senior secured term loans	232,800
New First Lien Loan | Credit Facility
Debt Instrument [Line Items]
Senior secured term loans	160,000
New First Lien Loan | Insurance Or Condemnation Proceeds
Debt Instrument [Line Items]
Debt instrument, required prepayment on insurance or condemnation proceeds in excess of	$ 10,000
New First Lien Loan | Fiscal Year 2025 Scenarios
Debt Instrument [Line Items]
Debt instrument, prepayment (in percent)	75.00%
Debt instrument, required prepayment resulting in cash on hand of no less than	$ 30,000
New First Lien Loan | Maturity Date Two
Debt Instrument [Line Items]
Senior secured term loans	157,500
New First Lien Loan | Maturity Date One
Debt Instrument [Line Items]
Senior secured term loans	1,400
New First Lien Loan | Line of Credit
Debt Instrument [Line Items]
Senior secured term loans	$ 160,000
New First Lien Loan | Line of Credit | Base Rate | Secured Debt
Debt Instrument [Line Items]
Interest rate margin (in percent)	5.50%
New First Lien Loan | Line of Credit | Secured Overnight Financing Rate (SOFR) | Secured Debt
Debt Instrument [Line Items]
Interest rate margin (in percent)			10.27%
New First Lien Loan | Line of Credit | Proceeds Of Debt Not Permitted By Agreement
Debt Instrument [Line Items]
Debt instrument, prepayment (in percent)	100.00%
New First Lien Loan | Line of Credit | Proceeds From Exercise Of Warrants
Debt Instrument [Line Items]
Debt instrument, prepayment (in percent)	95.00%
New First Lien Loan | Line of Credit | Proceeds Of Asset Sales
Debt Instrument [Line Items]
Debt instrument, prepayment (in percent)	100.00%
Debt instrument, required prepayment subject to customary reinvestment rights	$ 3,000
New First Lien Loan | Line of Credit | Insurance Or Condemnation Proceeds
Debt Instrument [Line Items]
Debt instrument, prepayment (in percent)	100.00%
New First Lien Loan | Senior Notes | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Interest rate margin (in percent)	6.50%		10.27%
New First Lien Loan | Senior Notes | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate, Floor
Debt Instrument [Line Items]
Interest rate margin (in percent)	3.50%

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