INVESTMENT SECURITIES - Maturity Dates of Marketable Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 102,849	$ 73,225
Total debt securities available for sale by maturity dates
Debt Securities, Available-for-sale [Line Items]
Fair Value	102,849
Under 1 Year	67,972
1 Year up to 5 Years	34,877
More than 5 Years	0
U.S. government securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	73,924
Under 1 Year	39,145
1 Year up to 5 Years	34,779
More than 5 Years	0
Corporate securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	6,516
Under 1 Year	6,516
1 Year up to 5 Years	0
More than 5 Years	0
U.S. mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	7,068
Under 1 Year	6,970
1 Year up to 5 Years	98
More than 5 Years	0
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Fair Value	15,341
Under 1 Year	15,341
1 Year up to 5 Years	0
More than 5 Years	$ 0

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