SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Collateralized Debt Obligation disclosures
Decrease in consolidated assets	$ (5,851,057)	$ (7,788,395)
Decrease in total liabilities	$ (3,982,872)	(5,837,405)
Percentage of voting interest required to consolidate non-VIEs (greater than)	50.00%
Collateralized Debt Obligation (CLOs) VIEs
Collateralized Debt Obligation disclosures
Corporate debt investment, par amount	$ 3,100,000	5,500,000
Estimated fair value of corporate debt investments	3,100,000	5,100,000
Collateralized Debt Obligation (CLOs) VIEs \| Nonaffiliates
Collateralized Debt Obligation disclosures
Collateralized loan obligation secured notes	3,200,000	4,900,000
Successor Company
Collateralized Debt Obligation disclosures
Collateralized loan obligation secured notes	3,626,191	$ 5,540,207
Cumulative-Effect Adjustment of Deconsolidation of VIE
Collateralized Debt Obligation disclosures
Decrease in consolidated assets	1,000,000
Decrease in total liabilities	$ 1,000,000

Represents the par value of Corporate Debt Investments held within CLO entities.

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The minimum percentage of voting interest required to consolidate non-Variable Interest Entities.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
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-Section S99
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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Fair value of firm holdings in corporate fixed income securities. Includes pledged and unpledged holdings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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