CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue	$ 648,651	$ 838,202	$ 942,213
Cost of revenue	493,256	622,165	699,865
Gross profit	155,395	216,037	242,348
Selling, general and administrative expenses	141,076	175,670	192,642
Gain on sale of businesses (Note 4)	(17,814)	(13,688)	0
Restructuring charges (Note 24)	14,080	11,560	0
Income from operations	18,053	42,495	49,706
Other income (expense), net:
Interest expense	(21,393)	(26,254)	(22,253)
Unrealized gain (loss) on investment in equity securities (Note 5)	14,431	(12,972)	0
Other income (expense), net	1,348	(1,870)	7,922
Total other income (expense), net	(5,614)	(41,096)	(14,331)
Income before income taxes and non-controlling interests	12,439	1,399	35,375
Income tax (provision) benefit	(318,296)	(4,098)	276,256
Net (loss) income	(305,857)	(2,699)	311,631
Net income attributable to non-controlling interests	(2,112)	(2,683)	(2,740)
Net (loss) income attributable to Altisource	$ (307,969)	$ (5,382)	$ 308,891
(Loss) earnings per share:
Basic (in dollars per share)	$ (19.26)	$ (0.32)	$ 16.99
Diluted (in dollars per share)	$ (19.26)	$ (0.32)	$ 16.53
Weighted average shares outstanding:
Basic (in shares)	15,991	17,073	18,183
Diluted (in shares)	15,991	17,073	18,692
Other comprehensive (loss) income, net of tax:
Reclassification of unrealized gain on investment in equity securities, net of income tax provision of $200, to retained earnings from the cumulative effect of an accounting change (Note 5)	$ 0	$ (733)	$ 0
Unrealized gain on investment in equity securities, net of income tax provision of $0, $0, $(921)	0	0	2,478
Comprehensive (loss) income, net of tax	(305,857)	(3,432)	314,109
Comprehensive income attributable to non-controlling interests	(2,112)	(2,683)	(2,740)
Comprehensive (loss) income attributable to Altisource	$ (307,969)	$ (6,115)	$ 311,369