Name:	rexi_AvailabilityUnderFacilitySpecifiedAsPercentageOfNetPresentValueOfFutureManagementFeesToBeEarned
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Floor rate on borrowings such as an interest rate floor or collar.

No definition available.

Name:	rexi_DebtInstrumentVariableRateBasisBorrowingsFloorInterestRate
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Weighted average amount borrowed under the debt instruments during the period.

No definition available.

Name:	rexi_DebtWeightedAverageBorrowing
Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.

No definition available.

Name:	rexi_DebtWeightedAverageInterestRateDuration
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

LIBOR rate range

No definition available.

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

Represents the line of credit facility commitment fee percentage on outstanding lines of credit.

No definition available.

Name:	rexi_LineOfCreditFacilityCommitmentFeePercentageOnOutstandingLinesOfCredit
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of securities pledged.

No definition available.

Name:	rexi_NumberOfSecuritiesPledged
Namespace Prefix:	rexi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of appraised value of the real estate under maximum borrowing facility under option 1.

No definition available.

Name:	rexi_PercentageOfAppraisedValueOfRealEstateUnderMaximumBorrowingFacilityUnderOptionOne
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of cash held, if any, in the pledged account under the maximum borrowing facility under option one.

No definition available.

Name:	rexi_PercentageOfCashUnderMaximumBorrowingFacilityUnderOptionOne
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of cash held, if any, in the pledged account under the maximum borrowing facility under option two.

No definition available.

Name:	rexi_PercentageOfCashUnderMaximumBorrowingFacilityUnderOptionTwo
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of market value of securities pledged under maximum borrowing facility under option 1.

No definition available.

Name:	rexi_PercentageOfMarketValueOfSecuritiesPledgedUnderMaximumBorrowingFacilityUnderOptionOne
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of market value of securities pledged under maximum borrowing facility under option 2.

No definition available.

Name:	rexi_PercentageOfMarketValueOfSecuritiesPledgedUnderMaximumBorrowingFacilityUnderOptionTwo
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Floor rate on prime borrowings such as an interest rate floor or collar.

No definition available.

Name:	rexi_PrimeBorrowingsFloorInterestRate
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

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

No definition available.

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

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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

Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

- Details

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

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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

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.

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

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.