Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssuancesAndPurchases
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Amount of measurement period adjustments on asset measured at fair value on recurring basis using unobservable input (level 3).

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetMeasurementPeriodAdjustments
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Data Type:	xbrli:monetaryItemType
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Amount of financial instruments acquired from mergers and acquisitions classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetMergersAndAcquisitionsTotal
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Data Type:	xbrli:monetaryItemType
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Amount of sale and settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndSettlements
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Data Type:	xbrli:monetaryItemType
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Transfers from (to) loans, held for investment at fair value, net.

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersFromToLoansHeldForInvestmentNet
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Data Type:	xbrli:monetaryItemType
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Amount of gain (loss) recognized from asset measured at fair value on recurring basis using unobservable input (level 3).

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLoss
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Accreted discount (amortized premium), classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAccretedDiscountAmortizedPremiumNet
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of measurement period adjustments on liability measured at fair value on recurring basis using unobservable input (level 3).

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMeasurementPeriodAdjustments
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
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Amount of financial instruments acquired from mergers and acquisitions classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityMergersAndAcquisitionsTotal
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Data Type:	xbrli:monetaryItemType
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Amount of gain (loss) recognized from asset measured at fair value on recurring basis using unobservable input (level 3).

No definition available.

Name:	rc_FairValueMeasurementWithUnobservableInputsRecurringBasisAssetRealizedGainLoss
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Data Type:	xbrli:monetaryItemType
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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to financial assets acquired in connection with a business combination for which the initial accounting was incomplete.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 4A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-4A

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Period Type:	duration

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
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Data Type:	xbrli:stringItemType
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
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Data Type:	xbrli:stringItemType
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Period Type:	duration

Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

No definition available.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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

Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
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Name:	us-gaap_FairValueByLiabilityClassAxis=rc_ContingentConsiderationMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_LoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FairValueByAssetClassAxis=rc_LoansHeldForSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_DebtSecuritiesMember
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Data Type:	na
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