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Equity Method and Other Investmetns Equity Method and Other Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Schedule of Equity Method Investments [Line Items] |  |
Equity method and other investments | $ 224,611 | $ 245,534
Adjusted cost method investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method and other investments | 12,386 | 5,386
Other partnerships |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method and other investments | 83,052 | 79,667
APAC JV - Deconsolidated Noncontrolling Entity |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method and other investments | $ 129,173 | $ 160,481

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