Loans and Allowance for Credit Losses - TDR Accrual Status (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Troubled debt restructurings (TDRs)
Recorded carrying value modified loans classified as TDR	$ 31,155	$ 25,259
Allowance for loan losses on loans classified as TDRs	2,672	3,340
Carrying value of modified loans classified as TDRs
Carrying value of modified loans classified as TDRs on accrual status	8,526	7,195
Carrying value of modified loans classified as TDRs on non-accrual status	22,629	18,064
Total carrying value of modified loans classified as TDRs	31,155	25,259
SBC
Troubled debt restructurings (TDRs)
Recorded carrying value modified loans classified as TDR	11,504	7,327
Allowance for loan losses on loans classified as TDRs	46	17
Carrying value of modified loans classified as TDRs
Carrying value of modified loans classified as TDRs on accrual status	284	307
Carrying value of modified loans classified as TDRs on non-accrual status	11,220	7,020
Total carrying value of modified loans classified as TDRs	11,504	7,327
SBA
Troubled debt restructurings (TDRs)
Recorded carrying value modified loans classified as TDR	19,651	17,932
Allowance for loan losses on loans classified as TDRs	2,626	3,323
Carrying value of modified loans classified as TDRs
Carrying value of modified loans classified as TDRs on accrual status	8,242	6,888
Carrying value of modified loans classified as TDRs on non-accrual status	11,409	11,044
Total carrying value of modified loans classified as TDRs	$ 19,651	$ 17,932

No definition available.

Name:	rc_CarryingValueOfModifiedLoansClassifiedAsTdrsAbstract
Namespace Prefix:	rc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings and are accruing interest.

+ References

No definition available.

+ Details

Name:	rc_FinancingReceivableModificationsRecordedInvestmentAccruing
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings and are not accruing interest.

+ References

No definition available.

+ Details

Name:	rc_FinancingReceivableModificationsRecordedInvestmentNonaccrual
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of credit loss expense (reversal of expense) for financing receivable from change in methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

+ Details

Name:	us-gaap_FinancingReceivableChangeInMethodCreditLossExpenseReversal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

+ Details

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

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rc_SbcLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rc_SbaGuaranteedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: