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CASH EQUIVALENTS AND MARKETABLE SECURITIES - (Tables)
 6 Months Ended
Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities The table below summarizes the Company’s cash equivalents and marketable securities (in thousands):
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value
June 30, 2023
Assets
Cash equivalents:
Money market funds$8,168 $— $— $8,168 
Total8,168 — — 8,168 
Marketable securities:
U.S. government-sponsored entity debt securities32,685 — (389)32,296 
Commercial paper securities41,881 — (43)41,838 
Asset-backed securities10,557 — (52)10,505 
U.S. treasury bills5,598 — (25)5,573 
Certificates of deposit25,131 — (35)25,096 
Total115,852 — (544)115,308 
Total cash equivalents and marketable securities$124,020 $— $(544)$123,476 
December 31, 2022
Assets
Cash equivalents:
Money market funds$50,820 $— $— $50,820 
Total50,820 — — 50,820 
Marketable securities:
U.S. government-sponsored entity debt securities18,710 — (293)18,417 
Commercial paper securities101,336 22 (193)101,165 
Corporate debt securities11,760 — (90)11,670 
Asset-backed securities24,970 2 (180)24,792 
U.S. treasury bills7,950 — (12)7,938 
Certificates of deposit37,599 4 (142)37,461 
Agency bonds5,598 — (8)5,590 
Total207,923 28 (918)207,033 
Total cash equivalents and marketable securities$258,743 $28 $(918)$257,853 
Fair value of investments available-for-sale The fair value of marketable securities by contractual maturity were as follows (in thousands):
June 30,
2023		December 31,
2022
Maturing in one year or less$76,271 $177,188 
Maturing after one year through five years39,037 29,845 
Total$115,308 $207,033