Significant Accounting Policies (Details)		3 Months Ended		6 Months Ended
		Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)
Accounting Policies [Abstract]
Offering costs, amortization period		12 months		12 months
Payments for deferred financing costs		$ 1,300,000	$ 6,200,000	$ 1,763,000	$ 7,838,000
Amortization of deferred financing costs		1,787,000	794,000	3,570,000	1,424,000
Agent fees received		1,100,000	811,000	2,100,000	1,400,000
Agent fees recognized as earned		1,200,000	711,000	2,400,000	1,300,000
U.S. federal excise tax		0		0
Current federal tax	[1]	76,000	32,000	163,000	32,000
Deferred federal tax	[1]	720,000	(95,000)	1,000,000	216,000
Income tax penalties				0
Income tax interest				0
Syndication and other origination fee income		$ 936,000	$ 1,700,000	$ 1,546,000	$ 2,300,000
Number of operating segments | segment				1
Number of reporting segments | segment				1

[1] Related to the Company’s wholly-owned, consolidated subsidiaries, Twin Brook Equity XVIII Corp. and Twin Brook Equity XXXIII Corp., which are treated as corporations for United States federal income tax purposes