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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 66,213	$ 28,157	$ 140,577	$ 66,325
Income attributable to non-controlling interests	(18)	(93)	(55)	(384)
Write-off of preferred share original issuance costs	0	0	0	(5,156)
Preferred dividends	(2,789)	(2,789)	(8,367)	(10,867)
Earnings attributable to unvested shares and OP units	(117)	(150)	(368)	(450)
Net income attributable to common shareholders after allocation to participating securities	$ 63,289	$ 25,125	$ 131,787	$ 49,468
Denominators – Number of Shares
Basic—Average shares outstanding	213,846	211,048	213,278	206,918
PRSUs	341	1,114	441	1,146
Forward equity	0	29	0	10
OP units	141	0	141	0
Diluted—Average shares outstanding	214,328	212,191	213,860	208,074
Earnings Per Share:
Basic	$ 0.30	$ 0.12	$ 0.62	$ 0.24
Diluted	$ 0.30	$ 0.12	$ 0.62	$ 0.24