v3.22.2.2
Fair Value Measurement (Tables)
 9 Months Ended
Sep. 30, 2022
Fair Value Disclosures [Abstract]  
Schedule of available-for-sale marketable securities
Available-for-sale marketable securities consisted of the following (in thousands):
September 30, 2022
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Asset-backed securities$— $— $— $— 
Corporate debt securities— — — — 
U.S. Treasury securities120,275 — (1,850)118,425 
Non-U.S Government securities— — — — 
Commercial paper— — — — 
$120,275 $— $(1,850)$118,425 
December 31, 2021
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Asset-backed securities$32,745 $— $(53)$32,692 
Corporate debt securities58,885 — (86)58,799 
U.S. Treasury securities231,230 — (469)230,761 
Non-U.S Government securities17,232 — (12)17,220 
Commercial paper282,731 — — 282,731 
$622,823 $— $(620)$622,203 
Schedule of contractual maturities of available-for-sale debt securities ontractual maturities of available-for-sale debt securities were as follows (in thousands):
September 30, 2022December 31, 2021
Due within one year$118,425 $500,965 
After one but within five years— 121,238 
$118,425 $622,203 
Schedule of assets measured at fair value on a recurring basis The following table summarizes, by major security type, our cash equivalents and available-for-sale marketable securities measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in thousands):
September 30, 2022December 31, 2021
Level 1Level 2Total estimated fair valueLevel 1Level 2Total estimated fair value
Cash equivalents:
Money market funds$117,698 $— $117,698 $118,707 $— $118,707 
Available-for-sale marketable
   securities:
Asset-backed securities— — — — 32,692 32,692 
Corporate debt securities— — — — 58,799 58,799 
U.S. Treasury securities118,425 — 118,425 230,761 — 230,761 
Non-U.S Government securities— — — — 17,220 17,220 
Commercial paper— — — — 282,731 282,731 
$236,123 $— $236,123 $349,468 $391,442 $740,910