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Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Summary of Significant Accounting Policies - Reclassifications (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Accounting Policies [Abstract] |  |  |
Provision for indemnification claims | $ 25,500 | $ 0 | $ 4,500

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- Definition Provision for Indemnification Claims + References No definition available. + Details
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