Cover Page - shares	9 Months Ended
	Sep. 30, 2020	Oct. 23, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	1-34354
Entity Registrant Name	ALTISOURCE PORTFOLIO SOLUTIONS S.A.
Entity Incorporation, State or Country Code	N4
Entity Tax Identification Number	98-0554932
Entity Address, Address Line One	40, avenue Monterey
Entity Address, Postal Zip Code	L-2163
Entity Address, City or Town	Luxembourg
Entity Address, Country	LU
City Area Code	352
Local Phone Number	24 69 79 00
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	ASPS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Smaller Reporting Company	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		15,649,709
Entity Central Index Key	0001462418
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3