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Recently Issued Accounting Standards - Additional Information (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Accounting Changes and Error Corrections [Abstract] |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves | $ 2,900 |
Operating lease right-of-use assets | 20,846 | $ 22,304
Present value of lease liabilities | $ 22,016 |

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