Note 13 - Related Party Transactions (Details Textual)		3 Months Ended
	May 04, 2020	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Aug. 28, 2018
Advisory Fees		$ 3,086,000	$ 1,291,000
Due from Related Parties, Total		663,000		$ 2,909,000
Private Placement [Member] | Minimum [Member]
Equity Offering, Fee to Investors, Percentage of Gross Investor Equity					0.50%
Private Placement [Member] | Maximum [Member]
Equity Offering, Fee to Investors, Percentage of Gross Investor Equity					3.00%
Private Placement [Member] | Maximum [Member] | Sales Through Raymond James [Member]
Equity Offering, Offering and Organization Expenses Charged to Investors, Percentage of Gross Equity Offering					0.50%
Private Placement [Member] | Maximum [Member] | Sales Through Other Placement Agents [Member]
Equity Offering, Offering and Organization Expenses Charged to Investors, Percentage of Gross Equity Offering					1.00%
NexPoint Real Estate Advisors V, L.P. [Member]
Advisory Agreement, Advisory Fee, Annualized Rate of Gross Asset Value	0.75%
Advisory Agreement, Expense Cap, Percentage of Average Total Assets	1.50%
Advisory Fees		$ 3,100,000	1,300,000
Internalization Fee, Factor to Multiply by 12 Months Prior Fee	3
Termination Fee, Factor to Multiply by 12 Months Prior Fee	3
Advisory Agreement, Notice of Termination Period (Day)	180 days
VineBrook Homes, LLC [Member]
Management Agreements, Acquisition Fee, Percentage of Property Acquired During Month		1.00%
Management Agreements, Construction Fee Monthly in Arears, Maximum Percentage of Construction Costs		10.00%
Management Agreements, Construction Fee Monthly in Arrears, Maximum Amount		$ 1,000
Management Agreements, Maximum EBITDA Derived from Fees		$ 1,000,000.0
Management Agreements, Maximum Percentage of Combined Equity Value for Management Fees		0.50%
Managements Agreements, Manager Cash Cap		25.00%
Internalization Fee, Factor to Multiply by 12 Months Prior Fee		3
Management Agreements, Base Internalization Fee		$ 6,500,000
Management Agreements, Internalization Fee Calculation, Percentage Added to Base Fee		50.00%
Management Agreements, Internalization Fee Calculation, Amount Subtracted from Factored Amount		$ 6,500,000
Termination Fee, Factor to Multiply by 12 Months Prior Fee		3
Management Agreements, Termination Notice Period (Day)		90 days
VineBrook Homes, LLC [Member] | Manager Cash Cap Rebate [Member]
Due from Related Parties, Total		$ 0	0
VineBrook Homes, LLC [Member] | Fee Advances [Member]
Due from Related Parties, Total		0		0
VineBrook Homes, LLC [Member] | Backstop Loans [Member]
Due from Related Parties, Total		$ 700,000		$ 700,000
VineBrook Homes, LLC [Member] | Annual Collected Rental Revenue up to and Including 45 Million [Member]
Management Agreements, Property Management Fee Monthly in Arrears, Maximum Percentage of Collected Rental Revenue		8.00%
VineBrook Homes, LLC [Member] | Annual Collected Rental Revenue Between 45 Million and 65 Million [Member]
Management Agreements, Property Management Fee Monthly in Arrears, Maximum Percentage of Collected Rental Revenue		7.00%
VineBrook Homes, LLC [Member] | Annual Collected Rental Revenue Between 65 Million and 85 Million [Member]
Management Agreements, Property Management Fee Monthly in Arrears, Maximum Percentage of Collected Rental Revenue		6.00%
VineBrook Homes, LLC [Member] | Annual Collected Rental Revenue Above 85 Million [Member]
Management Agreements, Property Management Fee Monthly in Arrears, Maximum Percentage of Collected Rental Revenue		5.00%
The Manager [Member] | Various Expenses Paid By the Manager on Behalf of OP [Member]
Due to Related Parties, Total		$ 5,200,000	$ 2,500,000