v3.26.1
Agreements and Related Party Transactions - Management Fee Agreement (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
 [1],[2]
Aug. 14, 2024
 [1]
Related Party Transaction [Line Items]      
Net Assets as of Most Recently Completed Quarter $ 340,612,000 $ 142,256,000 $ 0
Management And Services Fees, Range One | Minimum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.50%    
Management And Services Fees, Range One | Minimum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.1125%    
Management And Services Fees, Range One | Maximum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 2.00%    
Net Assets as of Most Recently Completed Quarter $ 150,000,000.0    
Management And Services Fees, Range One | Maximum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 1.35%    
Net Assets as of Most Recently Completed Quarter $ 150,000,000.0    
Management And Services Fees Range Two | Minimum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.4375%    
Net Assets as of Most Recently Completed Quarter $ 150,000,000.0    
Management And Services Fees Range Two | Minimum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.0917%    
Net Assets as of Most Recently Completed Quarter $ 150,000,000.0    
Management And Services Fees Range Two | Maximum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 1.75%    
Net Assets as of Most Recently Completed Quarter $ 200,000,000.0    
Management And Services Fees Range Two | Maximum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 1.10%    
Net Assets as of Most Recently Completed Quarter $ 300,000,000.0    
Management And Services Fees Range Three | Minimum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.375%    
Net Assets as of Most Recently Completed Quarter $ 200,000,000.0    
Management And Services Fees Range Three | Minimum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.0823%    
Net Assets as of Most Recently Completed Quarter $ 300,000,000.0    
Management And Services Fees Range Three | Maximum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 1.50%    
Net Assets as of Most Recently Completed Quarter $ 250,000,000.0    
Management And Services Fees Range Three | Maximum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.9875%    
Net Assets as of Most Recently Completed Quarter $ 500,000,000.0    
Management And Services Fees Range Four | Minimum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.3375%    
Net Assets as of Most Recently Completed Quarter $ 300,000,000.0    
Management And Services Fees Range Four | Minimum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.071%    
Net Assets as of Most Recently Completed Quarter $ 500,000,000.0    
Management And Services Fees Range Four | Maximum | Expense Support Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 1.35%    
Net Assets as of Most Recently Completed Quarter $ 250,000,000.0    
Management And Services Fees Range Four | Maximum | Management Fee Agreement | Affiliated Entity      
Related Party Transaction [Line Items]      
Base Management Fee 0.85%    
[1] Represents the Company’s period of operations as the Ramp Vehicle from the date of its formation through the fiscal quarter ended December 31, 2024.
[2] As of December 31, 2024, Crestline Lending Solutions, LLC (the “Company”) had not yet elected to be regulated as a business development company (“BDC”), and was operating as Crestline Lending Solutions Ramp, LLC (the “Ramp Vehicle”), a private fund based on an exception from the definition of "investment company" under Section 3(c)(7) of the Investment Company Act of 1940, as amended (the “1940 Act”).