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, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 60,409	$ 21,987	$ 74,364	$ 38,168
Income attributable to non-controlling interests	(19)	(118)	(37)	(291)
Write-off of preferred share original issuance costs	0	(5,156)	0	(5,156)
Preferred dividends	(2,789)	(2,945)	(5,578)	(8,078)
Earnings attributable to unvested shares and OP units	(125)	(151)	(251)	(299)
Net income attributable to common shareholders after allocation to participating securities	$ 57,476	$ 13,617	$ 68,498	$ 24,344
Denominators – Number of Shares
Basic—Average shares outstanding	213,864	211,035	212,989	204,819
PRSUs	906	846	1,104	808
OP units	141	0	141	0
Diluted—Average shares outstanding	214,911	211,881	214,234	205,627
Earnings Per Share:
Basic	$ 0.27	$ 0.06	$ 0.32	$ 0.12
Diluted	$ 0.27	$ 0.06	$ 0.32	$ 0.12