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Fair Value Measurement - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Recurring Basis - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Level 1    
Fair Value Assets Liabilities Measured On Recurring Basis [Line Items]    
Deferred Compensation Liability $ 0 $ 0
Level 2    
Fair Value Assets Liabilities Measured On Recurring Basis [Line Items]    
Deferred Compensation Liability 1,740 1,467
Level 3    
Fair Value Assets Liabilities Measured On Recurring Basis [Line Items]    
Deferred Compensation Liability $ 0 $ 0