Debt surrendered for cancelation without consideration.

No definition available.

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- Definition

Percentage of the class of senior notes acquired by parent.

+ References

No definition available.

+ Details

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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

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

- Definition

Weighted average interest rate on all notes issued to outside investors and net of repurchased notes

+ References

No definition available.

+ Details

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- Definition

Weighted average price of par related to debt.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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- 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

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

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ 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

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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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

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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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

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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

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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

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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 Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: 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=6943989&loc=d3e3213-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 17

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- 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

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VARIABLE INTEREST ENTITIES BORROWINGS (Resource Real Estate Funding CDO 2007-1) (Details) RSO (USD $)	12 Months Ended			12 Months Ended		12 Months Ended		12 Months Ended			12 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended		12 Months Ended				12 Months Ended	1 Months Ended		12 Months Ended
	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Dec. 31, 2011 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member]	Dec. 31, 2012 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-1 [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-1R [Member]	Dec. 31, 2012 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 A-2 [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class B [Member]	Jun. 21, 2011 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 B [Member]	Jun. 30, 2007 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class C [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 D [Member]	Dec. 31, 2012 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 E [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class F [Member]	Jun. 21, 2011 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 F [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class G [Member]	Jun. 21, 2011 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 G [Member]	Dec. 31, 2012 RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class H [Member]	Jun. 21, 2011 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 H [Member]	Dec. 31, 2012 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 J [Member]	Dec. 31, 2012 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 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]	Jun. 30, 2007 RCC Real Estate [Member] RREF CDO 2007-1 Senior Notes [Member]	Jun. 30, 2007 Resource Real Estate Funding 2007-1 CDO Investor LLC [Member] RSO [Member]	Dec. 31, 2012 Gain on Extinguishment of Debt [Member] RSO [Member] RREF CDO 2007-1 Senior Notes [Member] Senior Notes Class A-1R and Class D [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			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	14,500,000
Interest rate at period end (in hundredths)														6.423%																		7.50%	8.50%
Description of variable rate basis				one-month LIBOR		one-month LIBOR		one-month LIBOR			one-month LIBOR				one-month LIBOR		one-month LIBOR		one-month LIBOR			one-month LIBOR			one-month LIBOR			one-month LIBOR		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%
Commitment fee percentage on undrawn balance of notes						0.18%
Weighted average interest rate on all notes issued to outside investors and net of repurchased notes (in hundredths)	0.81%	0.85%
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
Debt surrendered for cancelation without consideration												$ 7,500,000								$ 6,500,000			$ 6,300,000			$ 10,600,000