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Fair Value Measurements
12 Months Ended
Dec. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
The following tables summarize our assets and liabilities that are measured at fair value on a recurring basis, by level, within the fair value hierarchy (in thousands):
As of December 31, 2023
Level 1Level 2Level 3
Available-for-sale debt securities$— $— $1,159 
Money market funds
208,970 — — 
Total assets$208,970 $— $1,159 
 
As of December 31, 2022
 Level 1Level 2Level 3
Available-for-sale debt securities
$— $— $995 
Money market fund
130,215 — — 
Total assets
$130,215 $— $995 
Contingent consideration— — 836 
Total liabilities
$— $— $836 
During the year ended December 31, 2023, we recorded a $0.8 million reduction in fair value of contingent consideration from our acquisition of UAS as a component of cost of revenue because the earnout metrics were not achieved. There was no change in the fair value of the contingent consideration from our acquisition of UAS for the year ended December 31, 2022.