Equity - Summary of Shares of Restricted Common Stock and Long-term Incentive Plan Units in Operating Partnership Awards (Detail) - $ / shares		3 Months Ended	6 Months Ended
		Jun. 30, 2021	Jun. 30, 2021
Restricted Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares/Units, Outstanding beginning balance			89,891
Shares/Units, Vested			(39,750)
Shares/Units, Granted			27,222
Shares/Units, Forfeited		(2,423)	(2,423)
Shares/Units, Outstanding ending balance		74,940	74,940
Weighted Average Grant Date Fair Value Per Share, Outstanding beginning balance			$ 19.36
Weighted Average Grant Date Fair Value Per Share, Vested			21.50
Weighted Average Grant Date Fair Value Per Share, Granted			20.46
Weighted Average Grant Date Fair Value Per Share, Forfeited			18.36
Weighted Average Grant Date Fair Value Per Share, Outstanding ending balance		$ 18.66	$ 18.66
Restricted Common Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares/Units, Outstanding beginning balance	[1]		492,180
Shares/Units, Vested	[1]		(93,085)
Shares/Units, Granted	[1]		284,528
Shares/Units, Forfeited		(32,385)	(32,385)	[1]
Shares/Units, Outstanding ending balance	[1]	651,238	651,238
Weighted Average Grant Date Fair Value Per Share, Outstanding beginning balance			$ 19.88
Weighted Average Grant Date Fair Value Per Share, Vested			18.55
Weighted Average Grant Date Fair Value Per Share, Granted			22.18
Weighted Average Grant Date Fair Value Per Share, Forfeited			21.03
Weighted Average Grant Date Fair Value Per Share, Outstanding ending balance		$ 21.02	$ 21.02

[1] Reflects the number of LTIP units issued to the grantee on the grant date, which may be different from the number of LTIP units actually earned in the case of performance-based LTIP units.