The amount of allowances on purchase credit impairment loans.

No definition available.

Name:	rc_AllowancesOnPurchaseCreditImpairmentLoans
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

General allowance for loan losses assessed on a collective basis included in the total allowance for loan losses.

+ References

No definition available.

+ Details

Name:	rc_LoansAndLeasesGeneralAllowanceForLoanLossesAssessedOnCollectiveBasis
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of special allowance to cover probable credit losses on loans and leases.

+ References

No definition available.

+ Details

Name:	rc_LoansAndLeasesReceivableSpecialAllowance
Namespace Prefix:	rc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

+ Details

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

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

- Details

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Namespace Prefix:
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- Details

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

- Details

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

- Details

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- Details

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Loans and Allowance for Loan Losses - Allowance for loan losses by loan product and impairment methodology (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Allowance for loan losses
General	$ 2,264		$ 1,937
Specific	2,139		1,988
PCI	3,562		4,395
Ending Balance	7,965	$ 8,814	8,320	$ 8,887	$ 9,666	$ 11,746
Originated SBC loans
Allowance for loan losses
General	23		11
Specific	304
Ending Balance	327	421	11	1	95	637
Originated Transitional loans
Allowance for loan losses
General	290		353
Ending Balance	290	367	353	327	226
Acquired loans
Allowance for loan losses
General	780		608
Specific	418		1,012
PCI	2,734		3,432
Ending Balance	3,932	5,072	5,052	5,462	6,167	7,264
Acquired SBA 7(a) loans
Allowance for loan losses
General	347		532
Specific	865		823
PCI	828		963
Ending Balance	2,040	2,194	2,318	2,580	2,634	3,527
Originated SBA 7(a) loans
Allowance for loan losses
General	762		433
Specific	552		153
Ending Balance	$ 1,314	$ 694	$ 586	$ 517	$ 544	$ 318