Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|||||||
| Income Tax Disclosure [Abstract] | |||||||||||||||||
| U.S. current income tax expense | $ 25,656 | $ 804 | $ 2,307 | ||||||||||||||
| U.S. deferred income tax expense (benefit) | 25,372 | (27,764) | 47,957 | ||||||||||||||
| Foreign current income tax expense | 75,381 | 36,565 | 3,594 | ||||||||||||||
| Foreign deferred income tax expense (benefit) | 26,854 | (6,773) | 27 | ||||||||||||||
| Total | $ (21,002) | $ 74,835 | $ 53,512 | $ 45,918 | $ 10,155 | $ (1,413) | $ (2,804) | $ (3,106) | $ 153,263 | $ 2,832 | [1] | $ 53,885 | [2] | ||||
| |||||||||||||||||
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|