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Fair Value Measurement: (Tables)
6 Months Ended
Jun. 30, 2023
Fair Value Disclosures [Abstract]  
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.

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 June 30, 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  $112,449   $2,150   $109,489   $811 
Interest rate swaps   6,780        6,780     
Foreign currency forward exchange contracts not accounted for using hedge accounting   165        165     
                     
Total asset  $119,394   $2,150   $116,434   $811 
Liabilities:                    
Foreign currency forward exchange contracts accounted for using hedge accounting  $9   $   $9   $ 

 

                         
       Fair Value Measurements at December 31, 2022 
   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  $150,833   $19,861   $130,174   $798 
Interest rate swaps   6,758        6,758     
Foreign currency forward exchange contracts accounted for using hedge accounting   1,189        1,189     
                     
Total asset  $158,780   $19,861   $138,121   $798 
Liabilities:                    
Foreign currency forward exchange contracts not accounted for using hedge accounting   68        68     
                     
Total Liabilities  $68   $   $68   $