Debt - Scheduled Debt Principal Payments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Feb. 20, 2020
Long-term Debt, by Maturity
2020 (remainder)	$ 28,717
2021	144,112
2022	460,944
2023	928,188
2024	1,208,377
Thereafter through 2031	3,509,419
Total principal payments	6,279,757
Unamortized discount, net	(24,592)
Unamortized deferred financing costs	(20,705)	$ (10,000)
Total	$ 6,234,460

Amount, after accumulated amortization, of debt discount (premium).

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings, before unamortized discount, as of the balance sheet date.

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