ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accrued expenses and other current liabilities
Accrued advertising expense	$ 37,703	$ 59,150
Accrued compensation and benefits	11,444	16,330
Accrued professional fees	1,393	1,887
Customer deposits and escrows	7,273	7,546
Contribution to LendingTree Foundation	500	3,333	$ 3,300	$ 3,300
Current lease liabilities	8,513	8,595
Other	8,269	9,890
Total accrued expenses and other current liabilities	$ 75,095	$ 106,731