Noncontrolling Interests - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions									1 Months Ended	3 Months Ended			9 Months Ended
	Aug. 03, 2023	Feb. 22, 2023	Aug. 10, 2022	May 31, 2021	Nov. 30, 2020	May 11, 2020	Nov. 21, 2019	Apr. 19, 2019	May 31, 2020	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2020	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Nov. 01, 2018
Noncontrolling Interest [Line Items]
General partners' capital account, units outstanding (in shares)										24,616,409			24,616,409
Common stock, par value per share (in dollars per share)										$ 0.01			$ 0.01			$ 0.01
Variable Interest Entity, Primary Beneficiary | NexPoint Homes
Noncontrolling Interest [Line Items]
Common stock, par value per share (in dollars per share)										$ 0.01			$ 0.01
PI Units | The 2018 Long-Term Incentive Plan
Noncontrolling Interest [Line Items]
Granted (in shares)		79,304	27,849	246,169	11,764	219,826	80,399	40,000					555,192
PI Units | The 2018 Long-Term Incentive Plan | Vesting Ratably Over Four Years
Noncontrolling Interest [Line Items]
Award vesting period		5 years	5 years		4 years				4 years
Award vesting rights, percentage					100.00%				50.00%
PI Units | The 2018 Long-Term Incentive Plan | Vesting Upon Successful Completion of Initial Public Offering
Noncontrolling Interest [Line Items]
Granted (in shares)													229,241
Award vesting rights, percentage					100.00%				50.00%
Share-based payment arrangement expense										$ 3.0	$ 0.7		$ 4.9	$ 2.1
PI Units | The 2018 Long-Term Incentive Plan | Minimum
Noncontrolling Interest [Line Items]
Award vesting period												2 years
PI Units | The 2018 Long-Term Incentive Plan | Maximum
Noncontrolling Interest [Line Items]
Award vesting period												4 years
PI Units | The 2023 Long-Term Incentive Plan
Noncontrolling Interest [Line Items]
Granted (in shares)	475,888
Award vesting rights, percentage	100.00%
VineBrook Homes OP GP, LLC | NexPoint SFR Operating Partnership, L.P.
Noncontrolling Interest [Line Items]
Limited partners' capital account, units outstanding (in shares)										4,607,192			4,607,192
Series A Preferred Stock
Noncontrolling Interest [Line Items]
Preferred stock, dividend rate, percentage													6.50%
Series B Preferred Stock
Noncontrolling Interest [Line Items]
Preferred stock, dividend rate, percentage													9.50%
Common Class A
Noncontrolling Interest [Line Items]
General partners' capital account, units outstanding (in shares)										20,387,840			20,387,840
Common stock, par value per share (in dollars per share)																	$ 0.01
Common Class A | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Partners' capital account, unit voting percentage										50.00%			50.00%		50.00%
Common Class B | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Partners' capital account, unit voting percentage										50.00%			50.00%		50.00%
Common Class B | NexPoint Real Estate Opportunities, LLC | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Limited partners' capital account, units outstanding (in shares)										2,738,854			2,738,854
Common Class C | NexPoint Real Estate Strategies Fund | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Limited partners' capital account, units outstanding (in shares)										91,395			91,395
Common Class C | NexPoint Real Estate Capital, LLC | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Limited partners' capital account, units outstanding (in shares)										144,231			144,231
Common Class C | VineBrook Contributors | VineBrook Homes OP GP, LLC
Noncontrolling Interest [Line Items]
Limited partners' capital account, units outstanding (in shares)										1,254,089			1,254,089