Cost Method, Ownership Percentage of Shares Outstanding

No definition available.

Name:	rexi_CostMethodOwnershipPercentageOfSharesOutstanding
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Interest, Number of Entities

+ References

No definition available.

+ Details

Name:	rexi_EquityInterestNumberofEntities
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Method, Number of Investments Sponsored and Managed

+ References

No definition available.

+ Details

Name:	rexi_EquityMethodNumberofInvestmentsSponsoredandManaged
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Limited Liability Company or Limited Partnership, Number of Investments Sponsored and Managed

+ References

No definition available.

+ Details

Name:	rexi_LimitedLiabilityCompanyOrLimitedPartnershipNumberOfInvestmentsSponsoredAndManaged
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Collateralized Debt Obligations

+ References

No definition available.

+ Details

Name:	rexi_NumberOfCollateralizedDebtObligations
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Partnerships in Which the Company Serves as General Partner

+ References

No definition available.

+ Details

Name:	rexi_NumberOfPartnershipsInWhichCompanyServesAsGeneralPartner
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of preferred equity interest retained as a percentage of incentive management fees.

+ References

No definition available.

+ Details

Name:	rexi_PreferredEquityInterestRetainedAsPercentageOfIncentiveManagementFees
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	invest_InvestmentAxis=rexi_ResourceRealEstateOpportunityReitIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=us-gaap_LimitedLiabilityCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_PublicNontradedRealEstateInvestmentTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_MultiFamilyPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_OfficeRealEstatePropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=us-gaap_RealEstateInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_PubliclyOfferedIntervalFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_FinancialFundManagementInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_UnconsolidatedManagementCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_CommercialFinanceInvestmentEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_GeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=rexi_ResourceCapitalPartnersIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	invest_InvestmentAxis=rexi_RealEstateLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rexi_CvcCreditPartnersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Investments in Unconsolidated Loan Manager and Entities) (Details)	Dec. 31, 2015 Partnership company Tenant_in_Common Entity obligation	Jan. 31, 2013	Apr. 30, 2012
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage		10.00%
RRE Opportunity REIT [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage of shares outstanding, less than	1.00%
Limited Liability Company [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	1
Public non-traded REIT [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	3
Multi-Family Property [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	2
Office Real Estate Property [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	1
Real Estate Investment [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments \| Tenant_in_Common	4
Publicly-Offered Interval Fund [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments	1
Financial fund management [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments \| Partnership	7
Equity method, number of investments sponsored and managed \| Partnership	5
Number of CDOs \| obligation	13
Unconsolidated Management Company [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of entities \| Entity	2
Commercial Finance [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of investments \| Partnership	1
Resource America, Inc. [Member] \| General Partner [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Preferred equity interest retained as a percentage of incentive management fees	75.00%		75.00%
Resource Capital Partners, Inc. [Member] \| Real Estate Limited Partnership [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Number of partnerships in which the company serves as general partner \| Partnership	5
CVC Credit Partners [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership percentage	24.00%