ACQUISITIONS (Details) (USD $)	3 Months Ended			3 Months Ended	0 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Homeward servicing portfolio Senior secured term loan	Mar. 29, 2013 Homeward servicing portfolio Ocwen	Mar. 29, 2013 Homeward servicing portfolio Minimum Ocwen	Mar. 29, 2013 Homeward servicing portfolio Maximum Ocwen
Acquisitions
Cash paid					$ 87,000,000
Period of working capital and net income adjustment							90 days
Preliminary allocation of the purchase price
Cash					4,500,000
Accounts receivable					7,221,000
Receivable from Ocwen					318,000
Prepaid expenses and other current assets					347,000
Premises and equipment					9,000
Customer relationship					80,388,000
Assets acquired					92,783,000
Accounts payable and accrued expenses					(3,352,000)
Payable to Ocwen					(2,481,000)
Purchase price					86,950,000
Debt carrying amount	199,500,000		200,000,000
Estimated life (in years)
Premises and equipment						2 years	5 years
Customer relationship					7 years
Pro forma condensed consolidated results of operations
Revenue, Pro forma	170,485,000	163,695,000
Revenue, As reported	148,827,000	139,066,000
Net income attributable to Altisource, Pro Forma	32,815,000	32,868,000
Net income attributable to Altisource, As Reported	27,518,000	25,229,000
Earnings per share - diluted (in dollars per share), Pro Forma	$ 1.31	$ 1.32
Earnings per share - diluted (in dollars per share), As Reported	$ 1.10	$ 1.02
Amount borrowed				$ 87,000,000