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Basis of Presentation and Significant Accounting Policies - Accounting Pronouncements (Details) | Jun. 30, 2020 | Jan. 01, 2020
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ASU 2018-13 |  |
Adopted Accounting Pronouncements |  |
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ASU 2018-18 |  |
Adopted Accounting Pronouncements |  |
Change in Accounting Principle, Accounting Standards Update, Adopted |  | true

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