ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details - Balance Sheet) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Contribution to LendingTree Foundation	$ 3,333	$ 3,333
Accrued expenses and other current liabilities
Accrued advertising expense	77,692	60,268
Accrued compensation and benefits	14,074	6,381
Accrued professional fees	1,619	2,549
Customer deposits and escrows	7,029	6,913
Current lease liabilities	5,447	0
Other	21,129	13,746
Total accrued expenses and other current liabilities	$ 130,323	$ 93,190