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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 5,353	$ 60,409	$ 20,655	$ 74,364
Income attributable to non-controlling interests	0	(19)	(18)	(37)
Preferred dividends	(2,789)	(2,789)	(5,578)	(5,578)
Earnings attributable to unvested shares and OP units	(88)	(125)	(195)	(251)
Net income attributable to common shareholders after allocation to participating securities	$ 2,476	$ 57,476	$ 14,864	$ 68,498
Denominators – Number of Shares
Basic—Average shares outstanding	209,266	213,864	209,616	212,989
PRSUs	181	906	445	1,104
OP units	0	141	0	141
Diluted—Average shares outstanding	209,447	214,911	210,061	214,234
Earnings Per Share:
Basic	$ 0.01	$ 0.27	$ 0.07	$ 0.32
Diluted	$ 0.01	$ 0.27	$ 0.07	$ 0.32