v3.10.0.1

Basis and Summary of Significant Accounting Policies - Components of Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Accounting Policies [Abstract] |  |
Prepaid Expenses | $ 39,023 | $ 31,509
Prepaid Insurance | 33,444 | 36,735
Assets Held for Sale | 9,698 | 10,118
Deferred Tax Asset | 7,556 | 11,589
Other Assets | 29,511 | 26,548
Prepaid Expenses and Other Assets | $ 119,232 | $ 116,499

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