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Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Supplemental Balance Sheet (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
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Accounting Policies [Abstract] |  |
Operating lease right-of-use assets | $ 1,947,665 | $ 1,869,101
Financing lease right-of-use assets, net of accumulated depreciation | 310,964 | 327,215
Total | 2,258,629 | 2,196,316
Current |  |
Operating lease liabilities | 232,926 | 223,249
Financing lease liabilities | 43,582 | 46,582
Total current lease liabilities | 276,508 | 269,831
Long-term |  |
Operating lease liabilities | 1,802,494 | 1,728,686
Financing lease liabilities | 313,418 | 320,600
Total long-term lease liabilities | 2,115,912 | 2,049,286
Total | $ 2,392,420 | $ 2,319,117
Operating lease, right-of-use asset, real estate assets, percent | 99.00% | 99.00%
Operating lease, right-of-use asset, non-real estate assets, percent | 1.00% | 1.00%
Finance lease, right-of-use asset, real estate assets, percent | 70.00% | 69.00%
Finance lease, right-of-use asset, non-real estate assets, percent | 30.00% | 31.00%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:AccruedLiabilitiesCurrent | us-gaap:AccruedLiabilitiesCurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligations | us-gaap:LongTermDebtAndCapitalLeaseObligations

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