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Fair Value Measurements - Additional Information (Details) - Non-Recurring [Member] - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Fair Value Assets Measured On Recurring Basis [Line Items]    
Other liabilities, fair value disclosure, non-recurring $ 0 $ 0
Other assets, fair value disclosure, non-recurring $ 0 $ 0