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Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income, Other Expenses, and Change in Accounting Pronouncements (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other comprehensive loss: |  |  |
Stockholders' equity, beginning balance | $ 1,862,463,000 | $ 2,285,134,000 | $ 1,936,671,000
Other comprehensive (loss) income: |  |  |
Stockholders' equity, ending balance | 1,464,227,000 | 1,862,463,000 | 2,285,134,000
Foreign Currency Translation Adjustment |  |  |
Other comprehensive loss: |  |  |
Stockholders' equity, beginning balance | (264,691,000) | (103,989,000) | (212,573,000)
Other comprehensive (loss) income: |  |  |
Foreign currency translation adjustment | 11,866,000 | (160,702,000) | 108,584,000
Change in fair value of derivative instruments | 0 | 0 |
Total other comprehensive (loss) income | 11,866,000 | (160,702,000) | 108,584,000
Stockholders' equity, ending balance | (252,825,000) | (264,691,000) | (103,989,000)
Change in Fair Value of Derivative Instruments |  |  |
Other comprehensive loss: |  |  |
Stockholders' equity, beginning balance |  | 0 | 0
Other comprehensive (loss) income: |  |  |
Foreign currency translation adjustment |  |  | 0
Total other comprehensive (loss) income |  |  | 0
Stockholders' equity, ending balance |  |  | 0
Change in Fair Value of Derivative Instruments |  |  |
Other comprehensive loss: |  |  |
Stockholders' equity, beginning balance | (973,000) |  |
Other comprehensive (loss) income: |  |  |
Foreign currency translation adjustment | 0 | 0 |
Change in fair value of derivative instruments | (8,783,000) | (973,000) |
Total other comprehensive (loss) income | (8,783,000) | (973,000) |
Stockholders' equity, ending balance | (9,756,000) | (973,000) |
Total |  |  |
Other comprehensive loss: |  |  |
Stockholders' equity, beginning balance | (265,664,000) | (103,989,000) | (212,573,000)
Other comprehensive (loss) income: |  |  |
Foreign currency translation adjustment | 11,866,000 | (160,702,000) | 108,584,000
Change in fair value of derivative instruments | (8,783,000) | (973,000) |
Total other comprehensive (loss) income | 3,083,000 | (161,675,000) | 108,584,000
Stockholders' equity, ending balance | $ (262,581,000) | $ (265,664,000) | (103,989,000)
Disposal Group, Not Discontinued Operations | Russia and Ukraine Divestment |  |  |
Other comprehensive (loss) income: |  |  |
Cumulative translation adjustment |  |  | $ 29,100,000

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