Summary of Significant Accounting Policies - Other Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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| Accounting Policies [Abstract] | ||||
| Right-of-use assets obtained in exchange for new lease liabilities: Finance leases | $ 7,359 | $ 9,290 | $ 14,088 | $ 19,273 |
| Right-of-use assets obtained in exchange for new lease liabilities: Operating leases | $ (8,172) | $ (1,541) | $ (35,397) | $ 9,170 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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