CASH, CASH EQUIVALENTS AND INVESTMENTS - Schedule of Cash, Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Cash And Cash Equivalents [Line Items]
Cash Equivalents, at Carrying Value	$ 213,896	$ 311,993
Cash Equivalents, Gross Unrealized Gains	0	0
Cash Equivalents, Gross Unrealized Losses	0	0
Cash and Cash Equivalents, Fair Value Disclosure	213,896	311,993
Cash Accounts in Banking Institutions [Member]
Cash And Cash Equivalents [Line Items]
Cash Equivalents, at Carrying Value	174,235	256,878
Cash Equivalents, Gross Unrealized Gains	0	0
Cash Equivalents, Gross Unrealized Losses	0	0
Cash and Cash Equivalents, Fair Value Disclosure	174,235	256,878
Money Market Accounts [Member]
Cash And Cash Equivalents [Line Items]
Cash Equivalents, at Carrying Value	12,670	55,115
Cash Equivalents, Gross Unrealized Gains	0	0
Cash Equivalents, Gross Unrealized Losses	0	0
Cash and Cash Equivalents, Fair Value Disclosure	12,670	$ 55,115
Corporate bonds
Cash And Cash Equivalents [Line Items]
Cash Equivalents, at Carrying Value	26,991
Cash Equivalents, Gross Unrealized Gains	0
Cash Equivalents, Gross Unrealized Losses	0
Cash and Cash Equivalents, Fair Value Disclosure	$ 26,991