Debt - Debt Maturities (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Debt Instrument
2021	$ 8,731
2022	4,843
2023	89,874
2024	3,050
2025	803,209
Thereafter	4,668,889
Total debt before discount, net	5,578,596
(Discounts), premium and debt costs, net	(40,192)
Long-term debt	$ 5,538,404
Weighted-average interest rate (as a percent)	0.22%	0.30%
Bank Line of Credit
Debt Instrument
2021	$ 0
2022	0
2023	0
2024	0
2025	0
Thereafter	0
Total debt before discount, net	0
(Discounts), premium and debt costs, net	0
Long-term debt	0
Commercial Paper
Debt Instrument
2021	0
2022	0
2023	0
2024	0
2025	0
Thereafter	1,024,000
Total debt before discount, net	1,024,000
(Discounts), premium and debt costs, net	0
Long-term debt	1,024,000
Senior Unsecured Note
Debt Instrument
2021	0
2022	0
2023	0
2024	0
2025	800,000
Thereafter	3,400,000
Total debt before discount, net	4,200,000
(Discounts), premium and debt costs, net	(42,166)
Long-term debt	$ 4,157,834
Weighted-average interest rate (as a percent)	3.51%
Weighted-average maturity (in years)	7 years
Senior Unsecured Note \| Interest Rate 2021
Debt Instrument
Interest Rate	0.00%
Senior Unsecured Note \| Interest Rate 2022
Debt Instrument
Interest Rate	0.00%
Senior Unsecured Note \| Interest Rate 2023
Debt Instrument
Interest Rate	0.00%
Senior Unsecured Note \| Interest Rate 2024
Debt Instrument
Interest Rate	0.00%
Senior Unsecured Note \| Interest Rate 2025
Debt Instrument
Interest Rate	3.93%
Senior Unsecured Note \| Interest Rate Thereafter
Debt Instrument
Interest Rate	3.39%
Senior Unsecured Note \| Minimum
Debt Instrument
Interest Rate	1.54%
Senior Unsecured Note \| Maximum
Debt Instrument
Interest Rate	6.91%
Mortgage Debt
Debt Instrument
2021	$ 8,731
2022	4,843
2023	89,874
2024	3,050
2025	3,209
Thereafter	244,889
Total debt before discount, net	354,596	$ 217,000
(Discounts), premium and debt costs, net	1,974
Long-term debt	$ 356,570
Weighted-average interest rate (as a percent)	3.31%
Weighted-average maturity (in years)	4 years
Mortgage Debt \| Interest Rate 2021
Debt Instrument
Interest Rate	4.86%
Mortgage Debt \| Interest Rate 2022
Debt Instrument
Interest Rate	3.80%
Mortgage Debt \| Interest Rate 2023
Debt Instrument
Interest Rate	3.80%
Mortgage Debt \| Interest Rate 2024
Debt Instrument
Interest Rate	3.80%
Mortgage Debt \| Interest Rate 2025
Debt Instrument
Interest Rate	3.80%
Mortgage Debt \| Interest Rate Thereafter
Debt Instrument
Interest Rate	3.12%
Mortgage Debt \| Minimum
Debt Instrument
Interest Rate	2.50%
Mortgage Debt \| Maximum
Debt Instrument
Interest Rate	5.91%

This element represents weighted average maturity of debt.

No definition available.

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- Definition

Long-Term Debt, Maturity, After Year Four

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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 next 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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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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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 third 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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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 second 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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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 remainder of current fiscal year.

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