The allowance for loan loss on loans held for investment.

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Deferred amendment fees amortized over the life of the loan.

+ References

No definition available.

+ Details

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- Definition

The deferred upfront fees related to loans held for investment.

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Net and Loans Receivable Held-for-sale

+ References

No definition available.

+ Details

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- Definition

The gross carrying value of loans held for investment.

+ References

No definition available.

+ Details

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- Definition

The origination fees related to loans held for investment.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Loans Receivable Held-for-sale, Amount, Carrying Value

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Loans Receivable Held-for-sale, Unrealized Loss

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The net carrying value of loans held for investment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Net Carrying Value of Loans Held for Investment and Loans Held for Sale

+ References

No definition available.

+ Details

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- Definition

Disclosure of the gross unamortized amount of the (discount) premium on the note or receivable which is added (subtracted) to the face amount of the loan. The discount or premium is defined as the difference between the present value and the face amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

A valuation allowance for the gross unamortized (discount) premium.

+ References

No definition available.

+ Details

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Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Unamortized (discount) premium, Loans Held for Investment, net

+ References

No definition available.

+ Details

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- Definition

Unamortized (discount) premium, Loans Held for Sale

+ References

No definition available.

+ Details

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Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disclosure of the net unamortized amount of the (discount) premium on the note or receivable which is added (subtracted) to the face amount of the loan. The discount or premium is defined as the difference between the present value and the face amount.

+ References

No definition available.

+ Details

Name:	rexi_UnamortizedDiscountPremiumNet
Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
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- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The face amount of loans that will be sold to other entities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 3

-Article 9

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ 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 210.5-02.3)

-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 3

-Article 5

+ Details

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Balance Type:	debit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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VARIABLE INTEREST ENTITIES LOANS HELD FOR INVESTMENT (Summary of Loans) (Details) RSO (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, allowance for loan loss	$ (17,360,000)	$ (16,990,000)	$ (37,451,000)	$ (36,243,000)
RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	1,977,243,000	1,940,406,000
Unamortized (Discount) Premium, loans before allowances	(9,608,000)	(9,813,000)
Carrying Value, loans before allowances	1,967,635,000	1,930,593,000
Principal, allowance for loan loss	(7,385,000)	(4,613,000)
Unamortized (Discount) Premium, allowance for loan loss	0	0
Carrying Value, allowance for loan loss	(7,385,000)	(4,613,000)
Principal, Total	1,969,858,000	1,935,793,000
Unamortized (discount) premium, Loans Held for Investment, net	(9,608,000)	(9,813,000)
Unamortized (Discount) Premium, Total	(9,805,000)	(9,813,000)
Carrying Value, Total	1,960,250,000	1,925,980,000
Loans Receivable Held-for-sale, Amount	248,451,000	111,736,000
Loans Receivable Held-for-sale, Amount, Carrying Value	248,254,000	111,736,000
Unamortized (discount) premium, Loans Held for Sale	(197,000)
Financing Receivable, Net and Loans Receivable Held-for-sale	2,218,309,000	2,047,529,000
Net Carrying Value of Loans Held for Investment and Loans Held for Sale	2,208,504,000	2,037,716,000
Deferred amendment fees	110,000	88,000
Loans Receivable Held-for-sale, Unrealized Loss	197,000
Agency-Conforming [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Held-for-sale, Amount	58,300,000	28,900,000
Jumbo Mortgage Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Held-for-sale, Amount	116,100,000	82,600,000
Residential Mortgage Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unamortized (Discount) Premium, loans before allowances	(197,000)
Loans Receivable Held-for-sale, Amount	174,559,000	111,454,000
Whole Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, Total	1,362,382,000	1,263,592,000
B Notes [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, Total	16,031,000	16,072,000
Mezzanine Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, Total	67,471,000	67,366,000
Commercial Real Estate Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan origination fees	8,000,000	7,600,000
Bank Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, Total	298,209,000	330,930,000
Deferred upfront fee	68,000	82,000
Middle-market Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	295,478,000	250,859,000
Unamortized (Discount) Premium, loans before allowances	(685,000)	(746,000)
Carrying Value, loans before allowances	294,793,000	250,113,000
Residential Mortgage Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	2,641,000	2,802,000
Unamortized (Discount) Premium, loans before allowances	0	0
Carrying Value, loans before allowances	2,641,000	2,802,000
Loans Receivable Held-for-sale, Amount, Carrying Value	174,362,000	111,454,000
Bank Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	225,216,000	332,058,000
Unamortized (Discount) Premium, loans before allowances	(899,000)	(1,410,000)
Carrying Value, loans before allowances	224,317,000	330,648,000
Loans Receivable Held-for-sale, Amount	73,892,000	282,000
Commercial Real Estate Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	1,453,908,000	1,354,687,000
Unamortized (Discount) Premium, loans before allowances	(8,024,000)	(7,657,000)
Carrying Value, loans before allowances	1,445,884,000	1,347,030,000
Commercial Real Estate Loans [Member] \| Mezzanine Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	67,535,000	67,446,000
Unamortized (Discount) Premium, loans before allowances	(64,000)	(80,000)
Carrying Value, loans before allowances	67,471,000	67,366,000
Commercial Real Estate Loans [Member] \| B Notes [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	16,070,000	16,120,000
Unamortized (Discount) Premium, loans before allowances	(39,000)	(48,000)
Carrying Value, loans before allowances	16,031,000	16,072,000
Commercial Real Estate Loans [Member] \| Whole Loans [Member] \| RSO [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal, loans before allowances	1,370,303,000	1,271,121,000
Unamortized (Discount) Premium, loans before allowances	(7,921,000)	(7,529,000)
Carrying Value, loans before allowances	$ 1,362,382,000	$ 1,263,592,000