Debt - Mortgage Notes Payable, Unsecured Notes, Term Loan and Credit Facility (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Credit Facility	$ 0	$ 0
Commercial paper	0	0
Total principal outstanding	8,377,827	8,170,431
Less deferred financing costs and debt discount	(61,782)	(66,884)
Total	$ 8,316,045	$ 8,103,547
Weighted average interest rate, debt (as a percent)	3.40%	3.10%
Variable rate unsecured credit facility
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Weighted average interest rate, debt (as a percent)	0.00%	0.00%
Commercial paper
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Weighted average interest rate, debt (as a percent)	0.00%	0.00%
Unsecured notes
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Total mortgage notes payable and unsecured notes and Term Loans	$ 7,650,000
Less deferred financing costs and debt discount	(47,695)
Unsecured notes \| Fixed Rate Unsecured Notes
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes	$ 7,500,000	$ 7,150,000
Weighted average interest rate, debt (as a percent)	3.30%	3.20%
Unsecured notes \| Term loan
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Variable rate notes	$ 150,000	$ 250,000
Weighted average interest rate, debt (as a percent)	5.40%	1.10%
Secured notes
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Total mortgage notes payable and unsecured notes and Term Loans	$ 547,427
Less deferred financing costs and debt discount	(14,087)
Secured notes \| Fixed rate mortgage notes payable
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Fixed rate notes	$ 270,677	$ 306,281
Weighted average interest rate, debt (as a percent)	3.40%	3.70%
Secured notes \| Variable rate mortgage notes payable
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Variable rate notes	$ 457,150	$ 464,150
Weighted average interest rate, debt (as a percent)	5.30%	1.70%
Mortgage Notes Payable, Unsecured Notes, and Term Loans
Mortgage Notes Payable, Unsecured Notes and Credit Facility
Total mortgage notes payable and unsecured notes and Term Loans	$ 8,377,827	$ 8,170,431
Weighted average interest rate, debt (as a percent)	3.40%	3.10%

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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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.

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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 of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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