Subsequent Events - Additional Information (Detail)													1 Months Ended	3 Months Ended				6 Months Ended	12 Months Ended
	Aug. 13, 2020 USD ($)	Aug. 12, 2020 $ / shares	Aug. 11, 2020 USD ($) shares	Aug. 10, 2020 USD ($)	Jul. 31, 2020 USD ($)	Jul. 27, 2020	Jun. 30, 2020 shares	Mar. 20, 2020 USD ($)	Dec. 31, 2019 shares	May 18, 2017 USD ($)	Oct. 17, 2016 USD ($)	Feb. 02, 2016 USD ($) shares	Aug. 13, 2020 USD ($) RepurchaseRequest shares	Jun. 30, 2020 USD ($) shares	Mar. 31, 2020 USD ($) shares	Jun. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($) shares	Jun. 30, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Subsequent Event [Line Items]
Stock repurchased, shares | shares														86,955				112,239	1,197,706
Stock repurchase														$ 2,022,211	$ 620,659	$ 542,881		$ 2,642,870	$ 48,451
Common stock, shares | shares							5,994,996		5,332,169
Advisory agreement amendment description																		The purpose of Amendment No. 1 was to amend the monthly asset management fee from one-twelfth of 1.25% of the cost of the Company’s investments at the end of the month to one-twelfth of 1.20% of the Company’s most recently disclosed NAV.
Common stock														$ 7,116,579	$ 11,039,819	$ 12,364,156	$ 13,604,281
DRP [Member]
Subsequent Event [Line Items]
Common stock, shares authorized amount								$ 250,000,000
Maximum [Member] | DRP [Member]
Subsequent Event [Line Items]
Common stock, shares authorized amount											$ 250,000,000	$ 250,000,000
Primary Offering [Member] | Maximum [Member]
Subsequent Event [Line Items]
Common stock, shares authorized amount											1,000,000,000	$ 1,000,000,000
Follow-on Offering [Member] | Maximum [Member]
Subsequent Event [Line Items]
Common stock, shares authorized amount								$ 1,000,000,000
Class I [Member]
Subsequent Event [Line Items]
Stock repurchased, shares | shares														15,887
Stock repurchase														$ 159
Common stock, shares | shares							1,151,593		853,734					89,113	215,102	111,436	148,278
Common stock										$ 2,000,000				$ 892	$ 2,151	$ 1,115	$ 1,483
Class I [Member] | Primary Offering [Member]
Subsequent Event [Line Items]
Common stock											$ 2,000,000
Class A [Member]
Subsequent Event [Line Items]
Stock repurchased, shares | shares														62,524	17,256	18,774
Stock repurchase														$ 625	$ 173	$ 188
Common stock, shares | shares							3,402,643		3,150,616			8,180		144,689	150,441	274,447	263,629
Common stock												$ 200,001		$ 1,447	$ 1,512	$ 2,745	$ 2,636
Class T [Member]
Subsequent Event [Line Items]
Stock repurchased, shares | shares														8,544	8,028	3,037
Stock repurchase														$ 85	$ 80	$ 30
Common stock, shares | shares							1,440,760		1,327,819					49,180	66,220	88,364	113,727
Common stock														$ 492	$ 662	$ 884	$ 1,137
Subsequent Event [Member]
Subsequent Event [Line Items]
Primary offering termination date	Jul. 31, 2020
Net proceeds from sale of initial offering			$ 152,272,245
Subsequent Event [Member] | Amended Advisory Agreement [Member] | Advisor and Operating Partnership [Member]
Subsequent Event [Line Items]
Advisory agreement amendment description				Under the Amended Advisory Agreement, acquisition and disposition fees, including specified property management and oversight fees and refinancing coordination fees, previously payable to the Advisor under the prior advisory agreement were eliminated, although the Advisor continues to be entitled to reimbursement for acquisition and disposition expenses. Under the Amended Advisory Agreement, the Advisor will continue to be paid a fixed asset management fee equal to 1.20% of NAV per annum payable monthly. Further, under the Amended Advisory Agreement, the 1% Cap for reimbursement will be calculated based on 1% of gross offering proceeds from all of our public offerings (including the Initial Offering) as of such payment date.
Monthly fixed asset management fees percentage				1.20%
Maximum percentage of reimbursement for fixed asset management fee				1.00%
Percentage for reimbursement of fixed asset management costs to gross offering proceeds				1.00%
Subsequent Event [Member] | Amended Operating Partnership Agreement [Member]
Subsequent Event [Line Items]
Percentage of performance participation interest entitled				12.50%
Hurdle rate percentage				5.00%
Subsequent Event [Member] | Second Amended and Restated Share Repurchase Program [Member]
Subsequent Event [Line Items]
Percentage of common stock aggregate net asset value during previous month						2.00%
Percentage of redemption price rate						95.00%
Percentage of waive holding discount with repurchase shares acquire						5.00%
Subsequent Event [Member] | Maximum [Member] | Second Amended and Restated Share Repurchase Program [Member]
Subsequent Event [Line Items]
Percentage of common stock aggregate net asset value during prior quarter						5.00%
Subsequent Event [Member] | Maximum [Member] | DRP [Member]
Subsequent Event [Line Items]
Common stock, shares authorized amount					$ 50,000,000
Subsequent Event [Member] | Primary Offering [Member]
Subsequent Event [Line Items]
Common stock, shares | shares			6,189,045
Subsequent Event [Member] | Follow-on Offering [Member] | Maximum [Member]
Subsequent Event [Line Items]
Percentage of assets invested in real estate-related securities				20.00%
Subsequent Event [Member] | Follow-on Offering [Member] | Minimum [Member]
Subsequent Event [Line Items]
Percentage of assets invested in properties and real estate-related debt				80.00%
Subsequent Event [Member] | Class AX [Member] | Primary Offering [Member]
Subsequent Event [Line Items]
Common stock, shares | shares			3,495,277
Subsequent Event [Member] | Class IX [Member] | Primary Offering [Member]
Subsequent Event [Line Items]
Common stock, shares | shares			1,213,904
Subsequent Event [Member] | Class TX [Member] | Primary Offering [Member]
Subsequent Event [Line Items]
Common stock, shares | shares			1,479,864
Subsequent Event [Member] | Class I [Member]
Subsequent Event [Line Items]
Distributions declared, per day per share | $ / shares		$ 0.004253787
Distributions declared on an annual basis | $ / shares		1.55
Subsequent Event [Member] | Class I [Member] | Amended Distribution Support Agreement [Member]
Subsequent Event [Line Items]
Purchase of shares to satisfy minimum offering requirement				$ 2,000,000
Subsequent Event [Member] | Class I [Member] | Maximum [Member] | Amended Distribution Support Agreement [Member]
Subsequent Event [Line Items]
Purchase of shares by CFI				$ 5,000,000
Common stock	$ 1,867,720
Subsequent Event [Member] | Class A [Member]
Subsequent Event [Line Items]
Distributions declared, per day per share | $ / shares		0.004253787
Distributions declared on an annual basis | $ / shares		1.55
Subsequent Event [Member] | Class T [Member]
Subsequent Event [Line Items]
Distributions declared, per day per share | $ / shares		0.004253787
Distributions declared on an annual basis | $ / shares		$ 1.55
Subsequent Event [Member] | Common Stock [Member]
Subsequent Event [Line Items]
Number of eligible repurchase requests | RepurchaseRequest													1
Stock repurchased, shares | shares													1,941
Stock repurchase													$ 44,668