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Consolidated Statement of Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Shares pursuant to dividend reinvestment plan	16,007	13,227
Shares due to exercise of employee stock options and issuance of directors' deferred stock	183	699
Limited Partner
Issuance of partnership units pursuant to dividend reinvestment plan (in shares)	306,512
Dividend Distributions Payable
Distributions payable common stock, per share (in usd per share)	$ 0.59	$ 0.59
Distributions partnership units, per unit (in usd per share)	0.59	0.59
Series D Cumulative Redeemable, 30,000 shares issued and outstanding | Dividend Distributions Payable
Distributions payable on preferred stock, per share (in usd per share)	38.28	38.28
Series E Cumulative Redeemable, 44,000 shares issued and outstanding | Dividend Distributions Payable
Distributions payable on preferred stock, per share (in usd per share)	$ 37.50	$ 37.50

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