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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
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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

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