Earnings Per Share - Reconciliation of Net Income and Number of Common Shares Used in Computations of "Basic" EPS and "Diluted" EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 48,642	$ 66,213	$ 69,297	$ 140,577
Income attributable to non-controlling interests	0	(18)	(18)	(55)
Preferred dividends	(2,789)	(2,789)	(8,367)	(8,367)
Earnings attributable to unvested shares and OP Units	(100)	(117)	(295)	(368)
Net income attributable to common shareholders after allocation to participating securities	$ 45,753	$ 63,289	$ 60,617	$ 131,787
Denominators – Number of Shares
Basic—Average shares outstanding	209,286	213,846	209,505	213,278
PRSUs	113	341	241	441
OP Units	0	141	0	141
Diluted—Average shares outstanding	209,399	214,328	209,746	213,860
Earnings Per Share:
Basic	$ 0.22	$ 0.3	$ 0.29	$ 0.62
Diluted	$ 0.22	$ 0.3	$ 0.29	$ 0.62