RESTRICTED CASH (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2014	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2015
Restricted Cash and Cash Equivalents Items [Line Items]
Increase (Decrease) in Restricted Cash	$ (7,300,000)	$ (3,397,000)	$ 1,085,000
Restricted cash and cash equivalents	18,716,000	26,017,000			18,716,000
Cash in escrow for surety bonds (a)
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and cash equivalents	2,453,000	2,453,000			2,453,000
Cash in escrow for corporate purchasing card program
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and cash equivalents	100,000	400,000			100,000
Cash in escrow for earnout related to an acquisition (c)
Restricted Cash and Cash Equivalents Items [Line Items]
Increase (Decrease) in Restricted Cash				2,000,000
Restricted cash and cash equivalents	0	1,956,000			0
Loss Contingency Accrual, Payments				1,000,000
Cash restricted for loan loss obligations (d)
Restricted Cash and Cash Equivalents Items [Line Items]
Increase (Decrease) in Restricted Cash					3,100,000
Restricted cash and cash equivalents	0	3,051,000			0
Other
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and cash equivalents	57,000	40,000			57,000
Lending Tree Loans | Discover Bank | Cash in escrow from sale of LendingTree Loans
Restricted Cash and Cash Equivalents Items [Line Items]
Increase (Decrease) in Restricted Cash						2,000,000
Restricted cash and cash equivalents	16,106,000	18,117,000			16,106,000
Lending Tree Loans | Discover Bank | Scenario, Forecast [Member] | Cash in escrow from sale of LendingTree Loans
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash and cash equivalents							$ 12,100,000