Fair Value Measurement - Schedule of Changes in Fair Value of Level 3 Assets by Investment Type (Details) - USD ($) $ in Thousands	3 Months Ended	10 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Total
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 813,864	$ 0
Origination of loans	279,517	821,341
Paydowns of loans	(4,973)
Loan origination fees collected	(2,970)	(8,883)
Net accretion on investments	1,612	906
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)	1,359
Sales of investments		(7,390)
Ending balance	1,088,409	813,864
Total | Debt And Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		7,895
Total | Debt And Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		(5)
Senior Mortgage
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	799,660	0
Origination of loans	268,901	799,659
Paydowns of loans	(4,973)
Loan origination fees collected	(2,698)	(8,642)
Net accretion on investments	1,554	885
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)	1,146
Sales of investments		0
Ending balance	1,063,590	799,660
Senior Mortgage | Debt And Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		7,758
Senior Mortgage | Debt And Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		0
Mezzanine
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	14,204	0
Origination of loans	10,616	21,682
Paydowns of loans	0
Loan origination fees collected	(272)	(241)
Net accretion on investments	58	21
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)	213
Sales of investments		(7,390)
Ending balance	$ 24,819	14,204
Mezzanine | Debt And Equity Securities, Unrealized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		137
Mezzanine | Debt And Equity Securities, Realized Gain (Loss)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in unrealized appreciation (depreciation) on investments/Net realized gains (losses)		$ (5)