Equity - Summary of Dividends Declared (Detail) - $ / shares		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Dividends Payable [Line Items]
Dividend		$ 0.26	$ 0.26	$ 0.52	$ 0.52
Q1 2021 [Member]
Dividends Payable [Line Items]
Declaration Date				Apr. 29, 2021
Record Date				May 14, 2021
Payment Date				May 26, 2021
Dividend	[1]			$ 0.260
Q2 2021 [Member]
Dividends Payable [Line Items]
Declaration Date				Jul. 27, 2021
Record Date				Aug. 12, 2021
Payment Date				Aug. 24, 2021
Dividend	[1]			$ 0.265

[1] Prior to the end of the performance period as set forth in the applicable LTIP unit award, holders of performance-based LTIP units are entitled to receive dividends per LTIP unit equal to 10% of the dividend paid per common unit. After the end of the performance period, the number of LTIP units, both vested and unvested, that LTIP award recipients have earned, if any, are entitled to receive dividends in an amount per LTIP unit equal to dividends, both regular and special, payable per common unit. Holders of LTIP units that are not subject to the attainment of performance goals are entitled to receive dividends per LTIP unit equal to 100% of the dividend paid per common unit beginning on the grant date.