FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Successor Company
Reconciliation of liabilities measured on Level 3 basis
Transfers from Level 1 into Level 2	$ 0
Transfers from Level 2 into Level 1	0
Successor Company | Collateralized Loan Obligation Secured Notes
Reconciliation of liabilities measured on Level 3 basis
Beginning balance as of January 1, 2015	5,501,099
Transfers out of level 3	(5,501,099)
Ending balance as of March 31, 2015	0
Change in unrealized gains or losses for the period included in earnings for liabilities held at the end of the reporting period	0
Successor Company | Corporate Debt Securities
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	317,034
Included in earnings	(3,996)
Purchases	0
Sales	(4,213)
Settlements	(914)
Balance at the end of the period	307,911
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(9,354)
Successor Company | Residential Mortgage- Backed Securities
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	55,184
Included in earnings	1,776
Settlements	(3,025)
Balance at the end of the period	53,935
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	153
Successor Company | Corporate loans, at estimated fair value
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	347,077
Included in earnings	(55,770)
Purchases	1,308
Sales	(25,511)
Settlements	69,082
Balance at the end of the period	336,186
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(55,026)
Successor Company | Equity Investments, at Estimated Fair Value
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	81,719
Included in earnings	(23,327)
Settlements	44,927
Balance at the end of the period	103,319
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(22,961)
Successor Company | Interests in Joint Ventures and Partnerships
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	718,772
Included in earnings	(32,362)
Purchases	35,537
Settlements	(2,657)
Balance at the end of the period	719,290
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(32,362)
Successor Company | Common stock warrants
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	0
Included in earnings	(1,891)
Settlements	2,412
Balance at the end of the period	521
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(1,891)
Successor Company | Options
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period	5,212
Included in earnings	(903)
Balance at the end of the period	4,309
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(903)
Predecessor Company
Reconciliation of liabilities measured on Level 3 basis
Transfers from Level 1 into Level 2		0
Transfers from Level 2 into Level 1		0
Predecessor Company | Securities Available- For-Sale
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		23,401
Included in earnings		22
Included in other comprehensive income		121
Settlements		(16)
Balance at the end of the period		23,528
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		22
Predecessor Company | Other Securities, at Estimated Fair Value
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		107,530
Included in earnings		3,059
Purchases		25,000
Settlements		(10,078)
Balance at the end of the period		125,511
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		3,059
Predecessor Company | Residential Mortgage- Backed Securities
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		76,004
Included in earnings		3,088
Sales		(17,810)
Settlements		(2,529)
Balance at the end of the period		58,753
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		3,739
Predecessor Company | Corporate loans, at estimated fair value
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		152,800
Included in earnings		(5,123)
Purchases		8,822
Settlements		(3,104)
Balance at the end of the period		153,395
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		3,205
Predecessor Company | Equity Investments, at Estimated Fair Value
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		138,059
Included in earnings		9,076
Transfers out of Level 3		(8,751)
Settlements		120,593
Balance at the end of the period		258,977
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		8,156
Predecessor Company | Interests in Joint Ventures and Partnerships
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		415,247
Included in earnings		22,377
Purchases		42,683
Settlements		14,113
Balance at the end of the period		494,420
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		22,377
Predecessor Company | Foreign Exchange Options, Net
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		8,941
Included in earnings		(813)
Balance at the end of the period		8,128
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		(813)
Predecessor Company | Options
Reconciliation of assets measured on Level 3 basis
Balance at the beginning of the period		6,794
Included in earnings		(302)
Balance at the end of the period		6,492
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		$ (302)