CONSOLIDATED FINANCIAL STATEMENT DETAILS - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued expenses and other current liabilities:
Accrued employee compensation and benefits	$ 46,464	$ 47,310
Accrued advertising expense	36,231	30,033
Current lease liabilities	17,098	15,700
Other	84,022	55,176
Accrued expenses and other current liabilities	$ 183,815	$ 148,219