Segment Information - Schedule of Segment Reporting Information 2 (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net income (loss)	$ (10,522)	$ (13,867)	$ (32,070)	$ (33,388)
Advisory and administrative fees	3,443	1,660	6,689	5,238
Corporate general and administrative expenses	3,195		6,030
Income tax expense	303	308	853	1,114
Depreciation and amortization	4,102	3,584	6,898	7,108
Interest expense	7,851		12,382
Non-operating property investment revenue	(8,904)		(17,635)
Realized gains (losses)	3	914	21,875	(221)
Change in unrealized (gains) losses from non-real estate investments	3,154	9,332	(3,136)	27,972
Equity in (income) losses of unconsolidated equity method ventures	(196)	(422)	958	(346)
NOI	2,429		2,844
NexPoint Diversified Real Estate Trust
Segment Reporting Information [Line Items]
Net income (loss)	(6,435)	(13,867)	(27,983)	(33,388)
Advisory and administrative fees	3,174		6,420
Corporate general and administrative expenses	2,625		5,460
Income tax expense	285		835
Depreciation and amortization	2,747		5,543
Interest expense	4,380		8,911
Non-operating property investment revenue	(8,530)		(17,261)
Realized gains (losses)	3		21,875
Change in unrealized (gains) losses from non-real estate investments	3,154		(3,136)
Equity in (income) losses of unconsolidated equity method ventures	(196)		958
NOI	1,208		1,623
NexPoint Hospitality Trust
Segment Reporting Information [Line Items]
Net income (loss)	(4,087)	$ 0	(4,087)	$ 0
Advisory and administrative fees	269		269
Corporate general and administrative expenses	570		570
Income tax expense	18		18
Depreciation and amortization	1,355		1,355
Interest expense	3,471		3,471
Non-operating property investment revenue	(374)		(374)
Realized gains (losses)	0		0
Change in unrealized (gains) losses from non-real estate investments	0		0
Equity in (income) losses of unconsolidated equity method ventures	0		0
NOI	$ 1,221		$ 1,221