v3.26.1
Significant Accounting Policies - Additional Information (Detail)
€ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
Segment
Mar. 31, 2025
USD ($)
Mar. 31, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Product Information [Line Items]            
Number of operating segments | Segment 1          
Number of reportable segments | Segment 1          
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Co President [Member], General Counsel [Member], srt:ChiefFinancialOfficerMember          
Cash equivalents invested in money market fund $ 67,033,000     $ 136,846,000    
Cash balances 1,449,000     202,000    
Restricted Cash 1,261,000     0    
Restricted cash equivalents invested in money market fund 3,364,000     1,982,000    
Paid-in-kind interest income 2,190,000 $ 0        
Paid-in-kind dividend income $ 1,548,000 0        
Amortization period 12 months   12 months      
Prepaid assets $ 30,000     42,000    
Deferred offering costs 508,000     386,000    
Deferred financing costs 5,698,000     5,394,000   $ 578,000
Amortization of deferred financing costs 479,000 176,000        
Offering costs 266,000 107,000        
Amortization of deferred charges 144,000 408,000        
Borrowings Outstanding $ 434,078,000     351,968,000    
Investment company distribution percentage of taxable income minimum 90.00%          
Excise tax percentage on undistributed income 4.00%          
Percentage of net ordinary income to be distributed on time for exemption from excise tax 98.00%          
Percentage of long term and short term capital gain to be distributed on time for exemption from excise tax 98.20%          
United States Dollar            
Product Information [Line Items]            
Cash balances $ 166,000     125,000    
Euro Member Countries, Euro            
Product Information [Line Items]            
Cash balances | €     € 144   € 106  
Advisor            
Product Information [Line Items]            
Amortization of deferred charges 0 $ 383,000        
Third Party            
Product Information [Line Items]            
Capitalized offering costs payable 0     0    
Capitalized Financing Costs Payable 30,000     70,000    
Affiliate            
Product Information [Line Items]            
Deferred offering costs 653,000     386,000    
Deferred financing costs $ 117,000     $ 135,000