Consolidated Statements of Changes In Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Common Stock	Paid-in Capital	Redeemable Perpetual Preferred  Stock	Distributions in Excess of Accumulated Earnings	Distributions in Excess of Accumulated Earnings Cumulative Effect, Period of Adoption, Adjustment	Non- Controlling Interests – Common OP Units
Beginning balance at Dec. 31, 2019	$ 1,321,888	$ (3,875)	$ (380)	$ 1,812	$ 1,402,696	$ 0	$ (154,318)	$ (3,875)	$ 72,078
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of Common OP Units for Common Stock	0			1	81				(82)
Issuance of Common Stock through employee stock purchase plan	2,026				2,026
Compensation expenses related to restricted stock and stock options	11,527				11,527
Repurchase of Common Stock or Common OP Units	(3,962)				(3,962)
Adjustment for Common OP Unitholders in the Operating Partnership	0				(300)				300
Adjustment for fair market value of swap	380		380
Consolidated net income	241,416					16	228,268		13,132
Distributions	(263,974)					(16)	(249,598)		(14,360)
Other	(671)				(671)
Ending balance at Dec. 31, 2020	1,304,755		0	1,813	1,411,397	0	(179,523)		71,068
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of Common OP Units for Common Stock	0			16	10,820				(10,836)
Issuance of OP Units	34,005								34,005
Issuance of Common Stock through employee stock purchase plan	2,224				2,224
Issuance of Common Stock	140,254			84	140,170
Compensation expenses related to restricted stock and stock options	10,855				10,855
Repurchase of Common Stock or Common OP Units	(2,814)				(2,814)
Adjustment for Common OP Unitholders in the Operating Partnership	0				22,961				(22,961)
Adjustment for fair market value of swap	3,524		3,524
Consolidated net income	276,000					16	262,462		13,522
Distributions	(280,381)					(16)	(266,628)		(13,737)
Other	(2,251)				(2,251)
Ending balance at Dec. 31, 2021	1,486,171		3,524	1,913	1,593,362		(183,689)		71,061
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of Common OP Units for Common Stock	0			0	312				(312)
Issuance of Common Stock through employee stock purchase plan	2,743				2,743
Issuance of Common Stock	28,370			3	28,367
Compensation expenses related to restricted stock and stock options	10,537				10,537
Repurchase of Common Stock or Common OP Units	(3,449)				(3,449)
Adjustment for Common OP Unitholders in the Operating Partnership	0				(2,357)				2,357
Adjustment for fair market value of swap	15,595		15,595
Consolidated net income	298,825					16	284,611		14,198
Distributions	(320,410)					(16)	(305,170)		(15,224)
Other	(897)				(897)
Ending balance at Dec. 31, 2022	$ 1,517,485		$ 19,119	$ 1,916	$ 1,628,618	$ 0	$ (204,248)		$ 72,080