RESTRICTED CASH RESTRICTED CASH (Details - Balance Sheet) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Restricted Cash and Cash Equivalents
Restricted cash and cash equivalents	$ 4,089		$ 4,089
Cash and cash equivalents	355,636	$ 159,611	91,131	$ 206,975
Decrease in restricted cash	0	$ 2,454
Cash in escrow for sale of LendingTree Loans
Restricted Cash and Cash Equivalents
Restricted cash and cash equivalents	4,032		4,032
Other Restricted Cash and Cash Equivalents
Restricted Cash and Cash Equivalents
Restricted cash and cash equivalents	57		$ 57
Discover | Lending Tree Loans
Restricted Cash and Cash Equivalents
Restricted cash and cash equivalents	$ 4,000