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Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Assets:    
Fair value of assets $ 23,881 $ 46,686
Liabilities:    
Deferred compensation plan liability 7,822 7,531
Fair value of liabilities 7,822 7,531
Commercial paper    
Assets:    
Fair value of assets 5,991 14,663
Treasury bill    
Assets:    
Fair value of assets 9,968 12,946
U.S. government agency bonds    
Assets:    
Fair value of assets   11,446
Money market    
Assets:    
Fair value of assets 7,922 7,631
Level 1    
Assets:    
Fair value of assets 7,922 7,631
Liabilities:    
Deferred compensation plan liability 7,822 7,531
Fair value of liabilities 7,822 7,531
Level 1 | Commercial paper    
Assets:    
Fair value of assets 0 0
Level 1 | Treasury bill    
Assets:    
Fair value of assets 0 0
Level 1 | U.S. government agency bonds    
Assets:    
Fair value of assets   0
Level 1 | Money market    
Assets:    
Fair value of assets 7,922 7,631
Level 2    
Assets:    
Fair value of assets 15,959 39,055
Liabilities:    
Deferred compensation plan liability 0 0
Fair value of liabilities 0 0
Level 2 | Commercial paper    
Assets:    
Fair value of assets 5,991 14,663
Level 2 | Treasury bill    
Assets:    
Fair value of assets 9,968 12,946
Level 2 | U.S. government agency bonds    
Assets:    
Fair value of assets   11,446
Level 2 | Money market    
Assets:    
Fair value of assets $ 0 $ 0