Variable Interest Entities - Ownership Percentage (Details) - VIE	Dec. 31, 2022
NexPoint Real Estate Finance Operating Partnership, L.P.
Variable Interest Entity [Line Items]
Effective ownership	16.10%
VineBrook Homes Operating Partnership, L.P.
Variable Interest Entity [Line Items]
Effective ownership	11.10%
NexPoint Storage Partners Operating Company, LLC
Variable Interest Entity [Line Items]
Effective ownership	30.50%
NexPoint Storage Partners, Inc.
Variable Interest Entity [Line Items]
Effective ownership	53.10%
Perilune Aero Equity Holdings One, LLC
Variable Interest Entity [Line Items]
Effective ownership	16.40%
SFR WLIF III, LLC
Variable Interest Entity [Line Items]
Effective ownership	20.00%
IQHQ Holdings, LP
Variable Interest Entity [Line Items]
Effective ownership	1.20%