SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Summary of Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 207,101	$ 247,951
Short-term investments	21,844	20,209
Total assets	228,945	268,160
Fair Value, Inputs, Level 1
Assets
Cash and cash equivalents	207,101	247,951
Short-term investments	21,844	20,209
Total assets	228,945	268,160
Fair Value, Inputs, Level 2
Assets
Cash and cash equivalents		0
Short-term investments		0
Total assets	0	0
Fair Value, Inputs, Level 3
Assets
Cash and cash equivalents	0	0
Short-term investments	0	0
Total assets	$ 0	$ 0