VARIABLE INTEREST ENTITIES FAIR VALUE OF FINANCIAL INSTRUMENTS (Assets Measured on Recurring Basis) (Details) RSO (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Total gains or losses (realized/unrealized):
Sales		$ (6,286)
RSO [Member]
Total gains or losses (realized/unrealized):
Transfers into level 3	0	94,900
RSO [Member] \| Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	248,999
Total gains or losses (realized/unrealized):
Included in earnings	317
Purchases	60,549
Sales	(14,808)
Paydowns	(18,983)
Included in OCI	(287)
Transfers out of Level 2	0
Ending balance	275,787
RSO [Member] \| Level 3 [Member] \| CMBS Including Linked Transactions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	210,785
Total gains or losses (realized/unrealized):
Included in earnings	103
Purchases	33,402
Sales	(12,314)
Paydowns	(17,188)
Included in OCI	1,332
Transfers out of Level 2	0
Ending balance	216,120
RSO [Member] \| Level 3 [Member] \| ABS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	26,656
Total gains or losses (realized/unrealized):
Included in earnings	214
Purchases	14,306
Sales	(2,494)
Paydowns	(1,785)
Included in OCI	(59)
Transfers out of Level 2	0
Ending balance	36,838
RSO [Member] \| Level 3 [Member] \| RMBS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	451
Total gains or losses (realized/unrealized):
Included in earnings	0
Purchases	0
Sales	0
Paydowns	(10)
Included in OCI	(2)
Transfers out of Level 2	0
Ending balance	439
RSO [Member] \| Level 3 [Member] \| Structured notes [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	11,107
Total gains or losses (realized/unrealized):
Included in earnings	0
Purchases	12,841
Sales	0
Paydowns	0
Included in OCI	(1,558)
Transfers out of Level 2	0
Ending balance	$ 22,390

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Out of Level 2

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- Definition

Amount of unrealized loses - included in accumulated other comprehensive income measured at fair value on a recurring basis using unobservable inputs (level 3).

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

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- Definition

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(3)

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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