Loan Extension, Period of Time

No definition available.

Name:	rexi_LoanExtensionPeriodofTime
Namespace Prefix:	rexi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Extensions

+ References

No definition available.

+ Details

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

- Definition

Number of loans outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Details

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

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=rexi_BridgeLoanOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=rexi_BridgeLoanTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_BridgeLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENTS (Details) (USD $)	12 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended
SUBSEQUENT EVENTS (Details) (USD $)	Dec. 31, 2014	Apr. 01, 2015	Dec. 31, 2014	Apr. 10, 2015	Mar. 31, 2015	Sep. 18, 2014	Apr. 29, 2015 Loan
Revolving Credit Facility [Member] \| Northport LLC [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity					$ 225,000,000	$ 110,000,000
Revolving Credit Facility [Member] \| Northport LLC [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		300,000,000
LIBOR [Member] \| Revolving Credit Facility [Member] \| Northport LLC [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	2.50%
LIBOR [Member] \| Revolving Credit Facility [Member] \| Northport LLC [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		2.75%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Northport LLC [Member]
Subsequent Event [Line Items]
Basis spread on variable rate			1.50%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Northport LLC [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		1.75%
Bridge Loan [Member] \| RSO [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Quantity				2			1
Number of Extensions				2
Loan Extension, Period of Time				1 year
Bridge Loan One [Member] \| Bridge Loan [Member] \| RSO [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate				5.75%
Bridge Loan				2,500,000			2,500,000
Bridge Loan Two [Member] \| Bridge Loan [Member] \| RSO [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Bridge Loan				3,300,000
Minimum [Member] \| LIBOR [Member] \| RSO [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate				0.25%