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FAIR VALUE MEASUREMENT (Tables)
3 Months Ended
Mar. 31, 2025
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring
The following tables summarize our assets and liabilities measured at fair value on a recurring basis using the following levels of inputs (in thousands): 
 
Fair Value Measurements at March 31, 2025
 TotalLevel 1Level 2Level 3
Assets:    
Cash equivalents—Money market funds$22,033 $22,033 $— $— 
Equity securities, at fair value25,400 11,436 — 13,964 
Available-for-sale debt securities (1)10,989 — — 10,989 
Debt securities, at fair value (1)7,211 — — 7,211 
Total assets$65,633 $33,469 $— $32,164 
 
 
Fair Value Measurements at December 31, 2024
 TotalLevel 1Level 2Level 3
Assets:    
Cash equivalents—Money market funds$21,799 $21,799 $— $— 
Equity securities, at fair value21,640 — — 21,640 
Available-for-sale debt securities (1)10,985 — — 10,985 
Debt securities, at fair value (1)14,814 — — 14,814 
Total assets$69,238 $21,799 $— $47,439 
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(1)    Included in Other long-term assets, net in the consolidated balance sheets.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
The following table provides activity for our Level 3 investments (in thousands):
Amount
Level 3 investments at December 31, 2023
$51,530 
Increase due to purchases of Level 3 investments17,000 
Decrease in fair value of Level 3 investments(21,836)
Accrued interest on Level 3 investments745 
Level 3 investments at December 31, 2024
47,439 
Increase due to acquisition of Level 3 investments
1,117 
Transfers out of Level 3 investments
(7,510)
Decrease in fair value of Level 3 investments(8,794)
Accrued interest, net on Level 3 investments
(88)
Level 3 investments at March 31, 2025
$32,164