Related Party Transactions - Additional Information (Details) $ in Thousands				1 Months Ended	3 Months Ended			6 Months Ended		9 Months Ended
	Oct. 01, 2020 USD ($)	Jan. 03, 2019 USD ($) Property Unit	Jul. 19, 2018 USD ($)	Oct. 31, 2020 shares	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) shares	Sep. 30, 2019 USD ($)	Mar. 20, 2020	Jan. 31, 2020 shares	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Purchase Price						$ 59,000
Acquired interest rate on property												75.00%
Acquired interest rate on property by related party												25.00%
Description of variable rate basis									one month LIBOR +2.40%
Debt Instrument, Basis Spread on Variable Rate									2.40%
Principle amount						$ 300			$ 300
Ownership Interest						100.00%			100.00%
Percentage of management fee on NAV per annum										1.25%
Management fees					$ 5,018		$ 1,713	$ 2,800		$ 13,560	$ 2,793
Annual hurdle percentage										5.00%
Recognized liabilities for Performance Participation expense					0		2,286			$ 46	5,501
Due to affiliates					73,768			73,768		73,768				$ 63,341
Operating expenses					29,504		10,855			77,167	26,889
Rental property operating
Related Party Transaction [Line Items]
Operating expenses					25,915		4,724			64,873	9,219
Accrued Stockholder Servicing Fee
Related Party Transaction [Line Items]
Due to affiliates					65,348			65,348		65,348				44,086
Advanced Organization And Offering Costs
Related Party Transaction [Line Items]
Due to affiliates					6,194			6,194		6,194				7,290
Accrued Affiliate Service Provider Expenses
Related Party Transaction [Line Items]
Due to affiliates					246			246		246				112
Accrued Affiliate Service Provider Expenses | Rental property operating
Related Party Transaction [Line Items]
Operating expenses					700		$ 200			$ 1,800	$ 500
Class I Unit
Related Party Transaction [Line Items]
Units issued as payment for performance participation allocation | shares													480,539
Special Limited Partner
Related Party Transaction [Line Items]
Related party allocation percentage of annual total return										12.50%
All Other Unit Holders [Member]
Related Party Transaction [Line Items]
Related party allocation percentage of annual total return										87.50%
Advisor | Advanced Organization And Offering Costs
Related Party Transaction [Line Items]
Due to affiliates					7,300			7,300		$ 7,300				7,300
Advisor | Advanced Expenses
Related Party Transaction [Line Items]
Due to affiliates					100			100		100				300
Advisor | Advanced Expenses | Unaffiliated Third Party
Related Party Transaction [Line Items]
Due to affiliates					100			100		100				100
Affiliate Service Provider Expenses
Related Party Transaction [Line Items]
Cost of legal services					100					$ 200
Subsequent Event
Related Party Transaction [Line Items]
Purchase Price	$ 809,000
Unregistered Class I shares
Related Party Transaction [Line Items]
Stock issued as management fees, shares | shares										554,198
Management fees, accrued					1,700			1,700		$ 1,700
Unregistered Class I shares | Subsequent Event
Related Party Transaction [Line Items]
Stock issued as management fees, shares | shares				81,344
Common Stock Class T, Class S and Class D | Dealer Manager | Accrued Stockholder Servicing Fee
Related Party Transaction [Line Items]
Due to affiliates					$ 65,300			$ 65,300		$ 65,300				$ 44,100
Common Stock Class T, Class S and Class D | Dealer Manager | Accrued Stockholder Servicing Fee | Maximum
Related Party Transaction [Line Items]
Annual stockholder servicing fee percentage					8.75%			8.75%		8.75%
Florida Multifamily Portfolio
Related Party Transaction [Line Items]
Purchase Price		$ 100,000
Number of units in portfolio | Unit		1,150
Florida Multifamily Portfolio | Jacksonville, Florida
Related Party Transaction [Line Items]
Number of Properties | Property		2
Florida Multifamily Portfolio | Naples, Florida
Related Party Transaction [Line Items]
Number of Properties | Property		2
Phoenix Property
Related Party Transaction [Line Items]
Purchase Price		$ 46,000
Phoenix Property | Mesa, Arizona
Related Party Transaction [Line Items]
Number of units in portfolio | Unit		256
Savannah Property
Related Party Transaction [Line Items]
Purchase Price		$ 36,000	$ 36,000
Savannah Property | Savannah, Georgia
Related Party Transaction [Line Items]
Number of units in portfolio | Unit		203