Available-for-sale Securities, Gross Realized Gains on Redemption

No definition available.

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

- Definition

Available-for-sale Securities, Gross Realized Losses on Redemption

+ References

No definition available.

+ Details

Name:	rexi_AvailableforsaleSecuritiesGrossRealizedLossesonRedemption
Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Available-for-Sale Securities, Redeemed During Period, Number

+ References

No definition available.

+ Details

Name:	rexi_AvailableForSaleSecuritiesRedeemedDuringPeriodNumber
Namespace Prefix:	rexi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Available-for-Sale Securities, Redeemed During Period, Par Value

+ References

No definition available.

+ Details

Name:	rexi_AvailableForSaleSecuritiesRedeemedDuringPeriodParValue
Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The fair value of available-for-sale securities that serve as collateral for borrowings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5086-111524

+ Details

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

- Definition

The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

+ Details

Name:	us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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

VARIABLE INTEREST ENTITIES INVESTMENT SECURITIES AVAILABLE-FOR-SALE (Details) RSO (RSO [Member], USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Investment securities available-for-sale, pledged as collateral, at fair value	$ 161,971,000		$ 197,800,000
Net impairment losses recognized in earnings	59,000	0
CMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Net impairment losses recognized in earnings	0
ABS [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities redeemed	2	1
Par value of securities redeemed	2,500,000	2,500,000
Realized gains on redemption	3,600,000	26,000
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities redeemed		1
Par value of securities redeemed		630,000
Available-for-sale Securities, Gross Realized Losses on Redemption		$ 1,000