Mortgages Payable - Maturities (Details) - Mortgages payable - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Maturity of mortgages payable
2022	$ 271,100
2023	62,100
2024	733,000
2025	42,000
2026	1,200
Thereafter	4,700
Totals	$ 1,114,129	$ 299,631

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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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 after fifth 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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