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Fair Value of Financial Instruments - Liabilities measured on a recurring basis (Details) - Fair Value, Recurring - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Estimate of Fair Value Measurement    
Fair value of financial instruments    
Acquisition-related contingent consideration $ 218,000 $ 221,000
Total liabilities 218,000 221,000
Fair Value, Inputs, Level 1    
Fair value of financial instruments    
Acquisition-related contingent consideration 0 0
Total liabilities 0 0
Fair Value, Inputs, Level 2    
Fair value of financial instruments    
Acquisition-related contingent consideration 0 0
Total liabilities 0 0
Fair Value, Inputs, Level 3    
Fair value of financial instruments    
Acquisition-related contingent consideration 218,000 221,000
Total liabilities $ 218,000 $ 221,000