Percentage of the class of senior notes acquired by parent.

No definition available.

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

- Definition

The dollar amount of the CDO transaction closed by the company to provide financing for commercial real estate loans and commercial mortgage-backed securities.

+ References

No definition available.

+ Details

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

- Definition

Weighted average price of par related to debt.

+ References

No definition available.

+ Details

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

- 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

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.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

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

+ Details

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

- Definition

The effective interest rate at the end of the reporting period.

+ References

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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

+ References

No definition available.

+ Details

Name:	us-gaap_GainLossOnRepurchaseOfDebtInstrument
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow to acquire 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 including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireNotesReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

VARIABLE INTEREST ENTITIES BORROWINGS (Resource Real Estate Funding CDO 2007-1) (Details) RSO (USD $)				1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended		1 Months Ended		1 Months Ended								12 Months Ended			1 Months Ended
	Dec. 31, 2013 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1 [Member]	Dec. 31, 2013 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1 [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1R [Member]	Dec. 31, 2013 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1R [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1R [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-2 [Member]	Dec. 31, 2011 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-2 [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class B [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class C [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class D [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class D [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class E [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class F [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class G [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class H [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class J [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class K [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class L [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class M [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1R and Class D [Member]	Dec. 31, 2013 RCC Real Estate [Member]	Dec. 31, 2012 RCC Real Estate [Member]	Jun. 30, 2007 RCC Real Estate [Member] RREF CDO 2007-1 Senior Notes [Member]	Dec. 31, 2013 Resource Real Estate Funding 2007-1 CDO Investor LLC [Member] RSO [Member]	Jun. 30, 2007 Resource Real Estate Funding 2007-1 CDO Investor LLC [Member] RSO [Member]
Debt Instrument [Line Items]
Closing transaction amount			$ 500,000,000
Face amount of debt issued				180,000,000		50,000,000			57,500,000		22,500,000	7,000,000	26,800,000		11,900,000	11,900,000	11,300,000	11,300,000	11,300,000	10,000,000	18,800,000	28,800,000		91,931,000	106,303,000			265,600,000
Percentage of senior notes acquired by the parent																										100.00%		100.00%
Payments by parent to acquire notes issued by VIE																										68,000,000		41,300,000
Repayments of debt					63,400,000		50,000,000
Interest rate at period end (in hundredths)												6.423%									7.50%	8.50%
Description of variable rate basis																											one-month LIBOR
Basis spread on variable rate				0.28%		0.32%			0.46%		0.80%		0.95%		1.15%	1.30%	1.55%	2.30%	2.95%	3.25%
Debt instrument, weighted average interest rate	0.84%	0.81%
Commitment fee percentage on undrawn balance of notes							0.18%
Repurchase amount of debt								50,000,000		10,000,000				26,800,000
Weighted average price to par paid to repurchase debt										61.25%													78.85%
Gain on repurchase of debt instrument										$ 3,900,000													$ 14,900,000