v3.20.2

Internalization - Additional Information (Detail) $ / shares in Units, shares in Thousands		3 Months Ended		6 Months Ended
	Feb. 07, 2020 USD ($) Tranche $ / shares shares	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Internalization [Line Items]
Payment of cash at earnout milestone	$ 12,349,000
Earnout liability	$ 40,119,000	$ 37,975,000		$ 37,975,000		$ 44,296,000	$ 0
Price per share or unit | $ / shares	$ 85
Goodwill	$ 339,769,000	339,769,000		339,769,000			$ 0
Repayment of debt	90,484,000
Debt instrument, face amount	60,000,000
Internalization fees		389,000	$ 272,000	1,594,000	$ 272,000
Incremental internalization revenues	$ 0
Incremental expenses		4,572,000		8,234,000
Property Management Agreement and Asset Management Agreement
Internalization [Line Items]
Expenses incurred with related parties			9,243,000	3,845,000	17,649,000
Property Management Agreement and Asset Management Agreement | Internalization Expenses
Internalization [Line Items]
Expenses incurred with related parties		$ 389,000	$ 7,343,000	$ 6,137,000	$ 13,973,000
Common Stock
Internalization [Line Items]
Additional common stock to be issued at earnout milestones | shares	272
Estimated fair value of potential earnout consideration	$ 33,511,000
OP Units
Internalization [Line Items]
Additional OP units to be issued at earnout milestones | shares	465
Estimated fair value of potential earnout consideration	$ 6,608,000
Merger Agreement
Internalization [Line Items]
Number of tranches | Tranche	4
VWAP per REIT Share Days	40 days
Price per share or unit | $ / shares	$ 85.00
Merger Agreement | Maximum
Internalization [Line Items]
Additional consideration payable	$ 75,000,000
Merger Agreement | Tranche One
Internalization [Line Items]
Additional consideration payable	10,000,000
Merger Agreement | Tranche Two
Internalization [Line Items]
Additional consideration payable	15,000,000
Merger Agreement | Tranche Three
Internalization [Line Items]
Additional consideration payable	25,000,000
Merger Agreement | Tranche Four
Internalization [Line Items]
Additional consideration payable	$ 25,000,000

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