Distributions - Summary of Distributions Paid Including Activity in Plan as well as Limited Partnership Units Issued from Reinvestment of Unit Distributions (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Dividends [Line Items]
Preferred Stockholders													$ 11,194	$ 11,194	$ 11,194
Common Stockholders													55,523	50,963	49,383
Limited Partnership Unitholders													$ 21,548	$ 17,821	$ 16,751
Common stock shares issued													143,957,000	293,615,000	228,498,000
Limited Partnership Units Issued (in shares)													26,659,000	61,009,000	51,579,000
4th Quarter
Dividends [Line Items]
Preferred Stockholders	$ 2,798				$ 2,798				$ 2,798
Common Stockholders	14,159				13,037				12,371
Limited Partnership Unitholders	$ 5,486				$ 4,702				$ 4,195
Common stock shares issued	13,698,000				63,970,000				117,368,000
Discounted Share Price (in usd per share)	$ 39.70				$ 45.46				$ 24.08				$ 39.70	$ 45.46	$ 24.08
Limited Partnership Units Issued (in shares)	0				13,697,000				23,370,000
Average Unit Price (in usd per share)	$ 0				$ 45.95				$ 24.35				$ 0	$ 45.95	$ 24.35
3rd Quarter
Dividends [Line Items]
Preferred Stockholders		$ 2,799				$ 2,799				$ 2,799
Common Stockholders		14,156				12,999				12,373
Limited Partnership Unitholders		$ 5,486				$ 4,694				$ 4,188
Common stock shares issued		10,577,000				65,171,000				14,525,000
Discounted Share Price (in usd per share)		$ 50.80				$ 44.44				$ 28.98
Limited Partnership Units Issued (in shares)		0				13,841,000				13,108,000
Average Unit Price (in usd per share)		$ 0				$ 44.92				$ 29.47
2nd Quarter
Dividends [Line Items]
Preferred Stockholders			$ 2,798				$ 2,798				$ 2,798
Common Stockholders			13,625				12,488				12,364
Limited Partnership Unitholders			$ 5,292				$ 4,218				$ 4,188
Common stock shares issued			57,819,000				68,206,000				12,627,000
Discounted Share Price (in usd per share)			$ 51.61				$ 41.87				$ 32.22
Limited Partnership Units Issued (in shares)			12,955,000				13,978,000				0
Average Unit Price (in usd per share)			$ 51.55				$ 42.33				$ 0
1st Quarter
Dividends [Line Items]
Preferred Stockholders				$ 2,799				$ 2,799				$ 2,799
Common Stockholders				13,583				12,439				12,275
Limited Partnership Unitholders				$ 5,284				$ 4,207				$ 4,180
Common stock shares issued				61,863,000				96,268,000				83,978,000
Discounted Share Price (in usd per share)				$ 47.66				$ 29.50				$ 48.59
Limited Partnership Units Issued (in shares)				13,704,000				19,493,000				15,101,000
Average Unit Price (in usd per share)				$ 48.16				$ 29.83				$ 49.40