Current expected credit loss reserve, carrying value.

No definition available.

Name:	refi_CurrentExpectedCreditLossReserveCarryingValues
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Current expected credit loss reserve original issue discount.

+ References

No definition available.

+ Details

Name:	refi_CurrentExpectedCreditLossReserveOriginalDiscount
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Current expected credit loss reserve.

+ References

No definition available.

+ Details

Name:	refi_CurrentExpectedCreditLossReservePrincipal
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loan held at original issue discount.

+ References

No definition available.

+ Details

Name:	refi_LoansHeldAtOriginalIssueDiscount
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Loan held at principal value.

+ References

No definition available.

+ Details

Name:	refi_LoansHeldAtPrincipalValue
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans held for investment carrying value.

+ References

No definition available.

+ Details

Name:	refi_LoansHeldForInvestmentCarryingValue
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans held for investment original issue discount.

+ References

No definition available.

+ Details

Name:	refi_LoansHeldForInvestmentOriginalIssueDiscount
Namespace Prefix:	refi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Schedule Of Loans Held For Investment Abstract

+ References

No definition available.

+ Details

Name:	refi_ScheduleOfLoansHeldForInvestmentAbstract
Namespace Prefix:	refi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of increase in weighted-average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

+ Details

Name:	us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

+ Details

Name:	us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

+ References

+ Details

Name:	us-gaap_PrincipalAmountOutstandingOnLoansManagedAndSecuritized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant