Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Distributions in Excess of Accumulated Earnings	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests – Common OP Units
Beginning balance at Dec. 31, 2022	$ 1,517,485	$ 1,916	$ 1,628,618	$ (204,248)	$ 19,119	$ 72,080
Increase (Decrease) in Stockholders' Equity
Exchange of Common OP Units for Common Stock	0		198			(198)
Issuance of Common Stock through employee stock purchase plan	363		363
Compensation expenses related to restricted stock and stock options	2,549		2,549
Repurchase of Common Stock or Common OP Units	(1,932)		(1,932)
Adjustment for Common OP Unitholders in the Operating Partnership	0		168			(168)
Adjustment for fair market value of swap	(3,978)				(3,978)
Consolidated net income	86,459			82,371		4,088
Distributions	(87,462)			(83,326)		(4,136)
Other	(98)		(98)
Ending balance at Mar. 31, 2023	1,513,386	1,916	1,629,866	(205,203)	15,141	71,666
Beginning balance at Dec. 31, 2023	1,498,621	1,917	1,644,319	(223,576)	6,061	69,900
Increase (Decrease) in Stockholders' Equity
Issuance of Common Stock through employee stock purchase plan	382		382
Compensation expenses related to restricted stock and stock options	1,716		1,716
Repurchase of Common Stock or Common OP Units	(1,908)		(1,908)
Adjustment for Common OP Unitholders in the Operating Partnership	0		58			(58)
Adjustment for fair market value of swap	(781)				(781)
Consolidated net income	115,271			109,905		5,366
Distributions	(93,398)			(89,050)		(4,348)
Other	(157)		(157)
Ending balance at Mar. 31, 2024	$ 1,519,746	$ 1,917	$ 1,644,410	$ (202,721)	$ 5,280	$ 70,860