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Fair Value Measurement: (Tables)
3 Months Ended
Mar. 31, 2024
Fair Value Disclosures [Abstract]  
The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value.

The following tables present our financial assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value.

 

                               
           Fair Value Measurements at March 31, 2024 
   Total   Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
   Significant Other
Observable
Inputs
(Level 2)
   Significant
Unobservable
Inputs
(Level 3)
 
Assets:                
Short-term investments  $76,078   $10,379   $65,699   $ 
Interest rate swaps   4,096        4,096     
Foreign currency forward exchange contracts not accounted for using hedge accounting   395        395     
Foreign currency forward exchange contracts accounted for using hedge accounting   305   $   305     
                     
   $80,874   $10,379   $70,495   $ 

 

                               
           Fair Value Measurements at December 31, 2023 
   Total   Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
   Significant Other
Observable
Inputs
(Level 2)
   Significant
Unobservable
Inputs
(Level 3)
 
Assets:                
Short-term investments  $94,304   $12,868   $80,614   $822 
Interest rate swaps   3,909        3,909     
Foreign currency forward exchange contracts not accounted for using hedge accounting   359        359     
Foreign currency forward exchange contracts accounted for using hedge accounting   1,533        1,533     
                     
   $100,105   $12,868   $86,415   $822