Consolidated Statement of Equity - USD ($) $ in Thousands	Total	Swap	Interest Expense	Gain (loss) on extinguishment of debt	Common Shares	Additional Paid-in Capital	Accumulated Dividends in Excess of Net Income	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Swap	Accumulated Other Comprehensive Income (Loss) Interest Expense	Accumulated Other Comprehensive Income (Loss) Gain (loss) on extinguishment of debt	Noncontrolling Interests - Unitholders in the Operating Partnership	Noncontrolling Interests - Unitholders in the Operating Partnership Swap	Noncontrolling Interests - Unitholders in the Operating Partnership Interest Expense	Noncontrolling Interests - Unitholders in the Operating Partnership Gain (loss) on extinguishment of debt
Beginning Balance (shares) at Dec. 31, 2019					60,068,228
Beginning balance at Dec. 31, 2019	$ 1,293,672				$ 601	$ 1,452,014	$ (144,378)	$ 5,680				$ (20,245)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,588						28,043					7,545
Issuance of restricted stock (in shares)					317,574
Issuance of restricted stock	0				$ 3	(3)
Forfeiture of restricted stock (in shares)					(95,086)
Forfeiture of restricted stock	0				$ (1)	1
Conversion of operating partnership units (in shares)					209,011
Conversion of operating partnership units	0				$ 2	(12,003)		3				11,998
Dividends declared and paid	(76,510)						(60,225)					(16,285)
Stock-based compensation	6,307					6,307
Shares withheld for employee taxes (in shares)					(23,435)
Shares withheld for employee taxes	(672)				$ 0	(672)
Other comprehensive income (loss) - change in value of interest rate swaps	(3,649)	$ (3,649)							$ (2,885)				$ (764)
Reclassification of amortization of forward-starting swap			$ (1,330)							$ (1,045)				$ (285)
Ending Balance (shares) at Dec. 31, 2020					60,476,292
Ending balance at Dec. 31, 2020	1,253,406				$ 605	1,445,644	(176,560)	1,753				(18,036)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	36,593						28,940					7,653
Issuance of restricted stock (in shares)					229,819
Issuance of restricted stock	0				$ 2	(2)
Forfeiture of restricted stock (in shares)					(155,390)
Forfeiture of restricted stock	0				$ (2)	2
Dividends declared and paid	(88,936)						(70,165)					(18,771)
Stock-based compensation	8,493					8,493
Shares withheld for employee taxes (in shares)					(25,141)
Shares withheld for employee taxes	(865)					(865)
Other comprehensive income (loss) - change in value of interest rate swaps	$ 2,723	2,723							2,135				588
Reclassification of amortization of forward-starting swap			(1,098)	$ (193)						(864)	$ (152)			(234)	$ (41)
Ending Balance (shares) at Dec. 31, 2021	60,525,580				60,525,580
Ending balance at Dec. 31, 2021	$ 1,210,123				$ 605	1,453,272	(217,785)	2,872				(28,841)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	55,877						44,154					11,723
Issuance of restricted stock (in shares)					325,682
Issuance of restricted stock	0				$ 3	(3)
Forfeiture of restricted stock (in shares)					(106,796)
Forfeiture of restricted stock	0				$ (1)	1
Dividends declared and paid	(98,248)						(77,536)					(20,712)
Stock-based compensation	8,690					8,690
Shares withheld for employee taxes (in shares)					(25,813)
Shares withheld for employee taxes	(759)				$ 0	(759)
Other comprehensive income (loss) - change in value of interest rate swaps	$ 11,319	$ 11,319							$ 8,916				$ 2,403
Reclassification of amortization of forward-starting swap			$ (1,477)							$ (1,164)				$ (313)
Ending Balance (shares) at Dec. 31, 2022	60,718,653				60,718,653
Ending balance at Dec. 31, 2022	$ 1,185,525				$ 607	$ 1,461,201	$ (251,167)	$ 10,624				$ (35,740)