v3.26.1
Fair Value Measurements - Schedule of Changes In Fair Value Investments (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning of the period $ 452,442 $ 0
Purchases and originations of investments 209,716 51,324
Paid-in-kind interest income 2,169 0
Paid-in-kind dividend income 1,548 0
Proceeds from sale of investments and principal repayments (1,091) 0
Net change in unrealized gains (losses) on investments (9,725) (28)
Net realized gains (losses) on investments 0 0
Net amortization of discount on investments 387 28
Transfers into (out of) Level 3 0 0
Fair value, end of period 655,446 51,324
Net change in unrealized gains (losses) on non-controlled, non-affiliated investments still held at 31st March (9,725) (28)
First Lien Debt Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning of the period 309,054 0
Purchases and originations of investments 136,216 51,324
Paid-in-kind interest income 156 0
Paid-in-kind dividend income 0 0
Proceeds from sale of investments and principal repayments (1,091) 0
Net change in unrealized gains (losses) on investments (2,810) (28)
Net realized gains (losses) on investments 0 0
Net amortization of discount on investments 241 28
Transfers into (out of) Level 3 0 0
Fair value, end of period 441,766 51,324
Net change in unrealized gains (losses) on non-controlled, non-affiliated investments still held at 31st March (2,810) (28)
Second Lien Debt Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning of the period 88,220 0
Purchases and originations of investments 0 0
Paid-in-kind interest income 0 0
Paid-in-kind dividend income 0 0
Proceeds from sale of investments and principal repayments 0 0
Net change in unrealized gains (losses) on investments (6,970) 0
Net realized gains (losses) on investments 0 0
Net amortization of discount on investments 80 0
Transfers into (out of) Level 3 0 0
Fair value, end of period 81,330 0
Net change in unrealized gains (losses) on non-controlled, non-affiliated investments still held at 31st March (6,970) 0
Unsecured and Subordinated debt investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning of the period 0 0
Purchases and originations of investments 73,500 0
Paid-in-kind interest income 2,013 0
Net change in unrealized gains (losses) on investments (30) 0
Net amortization of discount on investments 66 0
Fair value, end of period 75,549 0
Net change in unrealized gains (losses) on non-controlled, non-affiliated investments still held at 31st March (30) 0
Preferred Equity Investments [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning of the period 55,168 0
Purchases and originations of investments 0 0
Paid-in-kind interest income 0 0
Paid-in-kind dividend income 1,548 0
Proceeds from sale of investments and principal repayments 0 0
Net change in unrealized gains (losses) on investments 85 0
Net realized gains (losses) on investments 0 0
Net amortization of discount on investments 0 0
Transfers into (out of) Level 3 0 0
Fair value, end of period 56,801 0
Net change in unrealized gains (losses) on non-controlled, non-affiliated investments still held at 31st March $ 85 $ 0