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 the 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://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
-Paragraph 4
-SubTopic 20
-Topic 860
-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