v3.26.1
Organization and Description of Business - Additional Information (Details)
3 Months Ended
Mar. 31, 2026
MetropolitanArea
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Date of incorporation Jun. 07, 2019
'Number of top metropolitan statistical areas 50
Company management term 1 year
NexPoint Real Estate Finance Operating Partnership, L.P.  
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Limited partnership, ownership interest (as a percent) 86.56%
NexPoint Real Estate Finance Operating Partnership, L.P. | Class A OP Units  
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Limited partnership, ownership interest (as a percent) 100.00%