Consolidated Statement Of Changes In Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Performance Shares	Captive REIT Preferred	Common Stock [Member]	Preferred Stock [Member]	Additional paid-in capital [Member]	Treasury shares [Member]	Accumulated other comprehensive income (loss) [Member]	Distributions in excess of net income [Member]	Distributions in excess of net income [Member] Cumulative Effect, Period of Adoption, Adjustment	Distributions in excess of net income [Member] Performance Shares	Distributions in excess of net income [Member] Captive REIT Preferred	Series C Preferred Shares [Member]	Series C Preferred Shares [Member] Common Stock [Member]	Series C Preferred Shares [Member] Preferred Stock [Member]	Series C Preferred Shares [Member] Distributions in excess of net income [Member]	Series E Preferred Shares [Member]	Series E Preferred Shares [Member] Distributions in excess of net income [Member]	Series G Preferred Stock [Member]	Series G Preferred Stock [Member] Distributions in excess of net income [Member]
Balance (in shares) at Dec. 31, 2019					81,588,489	14,841,431
Balance at Dec. 31, 2019	$ 3,005,805				$ 816	$ 148	$ 3,834,858	$ (147,435)	$ 7,275	$ (689,857)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Other					74,767
Stock Issued During Period, Value, Other	1				$ 1
Issuance of nonvested shares, net					217,034
Issuance of nonvested shares, net	6,148				$ 2		6,505	(359)
Treasury Stock, Retired, Cost Method, Amount	(7,387)							(7,387)
Amortization of nonvested shares	(13,819)						(13,819)
Foreign currency translation adjustment	3,494								3,494
Unrealized Gain (Loss) on Derivatives	(10,553)								(10,553)
Net income	(131,728)									(131,728)
Issuances of common shares (in shares)					36,176
Issuances of common shares, net of costs	$ 1,129				$ 0		1,129
Stock option exercises, net (in shares)	1,410				1,410
Stock option exercises, net	$ 0				$ 0		(63)	(63)
Dividends to common and preferred shareholders	$ (119,058)		$ (50)							(119,058)		$ (50)		$ (7,756)			$ (7,756)	$ (7,756)	$ (7,756)	$ (8,624)	$ (8,624)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.515
Stock Repurchased During Period, Value	$ (105,994)							(105,994)
share based compensation included in severance expense	1,258						1,258
Preferred Stock, Dividends, Per Share, Cash Paid														$ 1.4375				$ 2.25		$ 1.4375
Balance (in shares) at Dec. 31, 2020					81,917,876	14,841,431
Balance at Dec. 31, 2020	2,630,585	$ (2,163)			$ 819	$ 148	3,857,632	(261,238)	216	(966,992)	$ (2,163)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Other					43,306
Stock Issued During Period, Value, Other	1				$ 1
Issuance of nonvested shares, net					246,562
Issuance of nonvested shares, net	2,901				$ 2		3,474	(575)
Treasury Stock, Retired, Cost Method, Amount	(2,763)							(2,763)
Amortization of nonvested shares	(14,903)						(14,903)
Foreign currency translation adjustment	633								633
Unrealized Gain (Loss) on Derivatives	5,857								5,857
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	3,249								3,249
Net income	98,606									98,606
Issuances of common shares (in shares)					11,798
Issuances of common shares, net of costs	569				$ 0		569
Stock Issued During Period, Shares, Conversion of Convertible Securities															468
Stock Redeemed or Called During Period, Shares																1,134
Stock Issued During Period, Value, Conversion of Convertible Securities	$ 0
Stock option exercises, net (in shares)	5,051				5,051
Stock option exercises, net	$ 2				$ 0		(239)	(241)
Dividends to common and preferred shareholders	$ (112,209)		(157)							(112,209)		(157)		$ (7,753)			(7,753)	$ (7,756)	(7,756)	$ (8,625)	(8,625)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.5
Preferred Stock, Dividends, Per Share, Cash Paid														$ 1.4375				$ 2.25		$ 1.4375
Balance (in shares) at Dec. 31, 2021					82,225,061	14,840,297
Balance at Dec. 31, 2021	$ 2,618,039				$ 822	$ 148	3,876,817	(264,817)	9,955	(1,004,886)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Other					41,399
Stock Issued During Period, Value, Other	107				$ 0		107
Issuance of nonvested shares, net					243,286
Issuance of nonvested shares, net	4,416				$ 3		4,496	(83)
Treasury Stock, Retired, Cost Method, Amount	(4,257)							(4,257)
Amortization of nonvested shares	(16,666)						(16,666)
Foreign currency translation adjustment	(20,474)								(20,474)
Unrealized Gain (Loss) on Derivatives	12,416								12,416
Net income	176,229									176,229
Issuances of common shares (in shares)					23,196
Issuances of common shares, net of costs	$ 1,063				$ 0		1,063
Stock option exercises, net (in shares)	12,559				12,559
Stock option exercises, net	$ (11)				$ 0		(583)	(594)
Dividends to common and preferred shareholders	$ (243,757)		$ (579)	$ (6)						(243,757)		$ (579)	$ (6)	$ (7,752)			$ (7,752)	$ (7,756)	$ (7,756)	$ (8,625)	$ (8,625)
Common Stock, Dividends, Per Share, Cash Paid	$ 3.25
Preferred Stock, Dividends, Per Share, Cash Paid														$ 1.4375				$ 2.25		$ 1.4375
Balance (in shares) at Dec. 31, 2022					82,545,501	14,840,297
Balance at Dec. 31, 2022	$ 2,535,719				$ 825	$ 148	$ 3,899,732	$ (269,751)	$ 1,897	$ (1,097,132)