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Stock-Based Compensation - Additional Information (Details)
$ in Thousands
Sep. 30, 2020
USD ($)
plan
shares
Dec. 31, 2019
USD ($)
shares
Share-based Compensation    
Number of equity based compensation plan | plan 5  
Other accrued liabilities $ 4,354 $ 5,218
Cash Settled Awards    
Share-based Compensation    
Outstanding shares | shares 33,697 17,271
Other accrued liabilities $ 221 $ 353