Organization and Description of Business - Additional Information (Details)	3 Months Ended
Mar. 31, 2026
Organization and Description of Business [Line Items]
Required percentage of distribution to stockholders form REIT taxable income	90.00%

Required percentage of distribution to stockholders form REIT taxable income.

No definition available.

Name:	refi_RequiredPercentageOfDistributionToStockholdersFormREITTaxableIncome
Namespace Prefix:	refi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration