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Balance Sheet Account Detail - Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]    
2020 $ 3,185  
2021 3,276  
2022 3,319  
2023 3,378  
2024 3,497  
Thereafter 42,040  
Finite-lived intangibles, net $ 58,695 $ 62,255