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Noncontrolling and Redeemable Noncontrolling Interests - Change in Noncontrolling Interest (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Accrued Liabilities and Other Liabilities [Roll Forward] |  |  |
Beginning balance | $ 11,030 | $ 4,154 |
Income attributable to noncontrolling interests | 11,785 | 15,375 | $ 5,218
Distributions to noncontrolling interests | (13,419) | (8,865) | (7,772)
Other | (118) | 366 |
Ending balance | $ 9,278 | $ 11,030 | $ 4,154

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