Indebtedness - Future Principal Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
2022	$ 325,517
2023	72,784
2024	350,000
2025	650,000
2026	300,000
Thereafter	912,000
Total	2,610,301	$ 2,242,842
Long term debt gross	2,610,301	2,242,842
Unamortized debt premiums, discounts and issuance	32,351	39,871
Total debt outstanding	2,577,950	2,202,971
Mortgage note payable, 4.220% interest rate, due in 2022 \| Mortgage Note Payable
Debt Instrument [Line Items]
Total	25,055	25,804
Long term debt gross	$ 25,055	$ 25,804
Interest rate (as a percent)	4.22%

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

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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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