Related Party Transactions - Summary of Related Party Costs - Related Party Transactions (Detail) - USD ($)		3 Months Ended	12 Months Ended
		Mar. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Related party costs, Incurred		$ 1,322,146	$ 5,385,178
Related party costs, Paid		697,555	1,504,496
Related party costs, Payable		8,742,939	8,118,348
Operating Expenses Including Organizational Costs [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		210,180	1,285,248
Related party costs, Paid		463,057	859,028
Related party costs, Payable		544,729	797,606
Transfer Agent Expenses [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		28,612	88,973
Related party costs, Payable		167,058	138,446
Asset Management Fees [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		592,502	2,302,206
Related party costs, Payable		3,977,230	3,384,728
Property Management Oversight Fees [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		121,750	470,572
Related party costs, Payable		792,609	670,859
Acquisition Expenses Capitalized [Member]
Related Party Transaction [Line Items]
Related party costs, Payable		1,980,000	1,980,000
Additional Paid In Capital Selling Commissions [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		97,460	344,424
Related party costs, Paid		104,960	336,924
Related party costs, Payable			7,500
Additional Paid-in Capital Dealer Manager Fees [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		97,460	296,419
Related party costs, Paid		104,960	288,919
Related party costs, Payable			7,500
Additional paid in Capital Stockholder Servicing Fees and Dealer Manager Servicing Fees [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred	[1]	110,810	389,820
Related party costs, Paid	[1]	24,578	19,625
Related party costs, Payable	[1]	503,373	417,141
Additional Paid-in Capital Offering Costs [Member]
Related Party Transaction [Line Items]
Related party costs, Incurred		63,372	207,516
Related party costs, Payable		$ 777,940	$ 714,568

[1] We pay our Dealer Manager an ongoing stockholder servicing fee that is payable monthly and accrues daily in an amount equal to 1/365^th of 1% of the purchase price per share of the Class T shares and Class Y shares and an ongoing dealer manager servicing fee that is payable monthly and accrues daily in an amount equal to 1/365^th of 0.5% of the purchase price per share of the Class W shares and Class Z shares sold in the Primary Offering.