Interest Reserve - Additional Information (Details) - Loans	Jun. 30, 2025	Dec. 31, 2024
Schedule Of Changes In Interest Reserves [Abstract]
Number of loans included in prepaid interest reserve	4	1

Number of loans included in prepaid interest reserve.

No definition available.

Name:	refi_NumberOfLoansIncludedInPrepaidInterestReserve
Namespace Prefix:	refi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant