Significant Accounting Policies (Details) $ in Thousands	2 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	[1]
Accounting Policies [Abstract]
Cash and cash equivalents | $		$ 42,254	$ 42,254	$ 49,084
Excise tax expense (less than) | $	$ 0	$ 100	$ 100
Number of operating segments | segment			1
Number of reportable segments | segment			1

[1] 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”).