Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended		4 Months Ended	5 Months Ended	9 Months Ended	12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Apr. 30, 2014	Sep. 30, 2014	Sep. 30, 2015	Dec. 31, 2014
Cash flows from financing activities
Cash and cash equivalents at beginning of period						$ 163,405
Cash and cash equivalents at end of period		$ 489,279				489,279	$ 163,405
Successor Company
Net income (loss)		(158,333)	$ (77,201)		$ (32,057)	(166,601)
Net income (loss)		(151,657)	(78,017)		(32,873)	(151,149)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized and unrealized (gain) loss on derivatives and foreign exchange		10,304	(152)		9,012	3,545
Unrealized (depreciation) appreciation on investments allocable to noncontrolling interests					0	(15,452)
Write-off of debt issuance costs					0	0
Lower of cost or estimated fair value adjustment on corporate loans held for sale					0	0
Impairment charges					0	0
Share-based compensation					0	0
Net realized and unrealized (gain) loss on investments					73,318	234,510
Depreciation and net amortization					16,817	22,915
Net realized and unrealized (gain) loss on debt		(54,860)	1,453		26,849	33,933
Changes in assets and liabilities:
Interest receivable					1,124	24,170
Other assets					(13,639)	(32,759)
Related party payable					7,648	(612)
Accounts payable, accrued expenses and other liabilities					(20,894)	28,235
Accrued interest payable					131	3,034
Net cash provided by (used in) operating activities					67,493	134,918
Cash flows from investing activities
Principal payments from corporate loans					479,322	1,160,687
Principal payments from securities					20,174	11,841
Proceeds from sales of corporate loans					533,310	1,142,796
Proceeds from sales of securities					16,085	152,707
Proceeds from equity and other investments					65,996	48,915
Purchases of corporate loans					(686,994)	(1,391,722)
Purchases of securities					(62,258)	(9,387)
Purchases of equity and other investments					(110,742)	(56,171)
Net change in proceeds, purchases and settlements of derivatives					(12,116)	21,643
Net change in restricted cash and cash equivalents					(18,411)	99,124
Net cash provided by (used in) investing activities					224,366	1,180,433
Cash flows from financing activities
Issuance of collateralized loan obligation secured notes					524,035	595,056
Retirement of collateralized loan obligation secured notes					(778,866)	(1,445,941)
Distributions on common shares					(74,598)	(141,566)
Distributions on preferred shares	[1]				(6,891)	(20,673)
Distributions to Parent					(25,900)	0
Capital distributions to noncontrolling interests					0	(2,728)
Contributions from Parent			235,759		235,759	0
Capital contributions from Parent					192	0
Capital contributions from noncontrolling interests					0	3,964
Other capitalized costs					(4,552)	(3,652)
Net cash provided by (used in) financing activities					(110,721)	(989,477)
Net increase (decrease) in cash and cash equivalents					181,138	325,874
Cash and cash equivalents at beginning of period					210,413	163,405
Cash and cash equivalents at end of period		489,279	391,551	$ 210,413	391,551	489,279	163,405
Supplemental cash flow information
Cash paid for interest					65,835	123,224
Net cash paid (refunded) for income taxes					93	(1,988)
Non-cash investing and financing activities
Assets distributed to Parent					(292,425)	0
Assets contributed from Parent					55,770	0
Natural resources assets transferred out			(179,203)		(114,546)	0
Interest in Trinity transferred in					114,546	0
Preferred share distributions declared, not yet paid		$ 6,891	$ 6,891		6,891	6,891
Loans transferred from held for investment to held for sale					0	0
Predecessor Company
Net income (loss)				105,980
Net income (loss)				105,980
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized and unrealized (gain) loss on derivatives and foreign exchange				9,783
Unrealized (depreciation) appreciation on investments allocable to noncontrolling interests				0
Write-off of debt issuance costs				1,472
Lower of cost or estimated fair value adjustment on corporate loans held for sale				(5,038)
Impairment charges				4,391
Share-based compensation				1,018
Net realized and unrealized (gain) loss on investments				(60,906)
Depreciation and net amortization				15,832
Net realized and unrealized (gain) loss on debt				0
Changes in assets and liabilities:
Interest receivable				(6,753)
Other assets				(19,668)
Related party payable				(1,815)
Accounts payable, accrued expenses and other liabilities				27,211
Accrued interest payable				(1,470)
Net cash provided by (used in) operating activities				70,037
Cash flows from investing activities
Principal payments from corporate loans				906,166
Principal payments from securities				21,223
Proceeds from sales of corporate loans				36,595
Proceeds from sales of securities				44,373
Proceeds from equity and other investments				48,911
Purchases of corporate loans				(886,230)
Purchases of securities				(78,106)
Purchases of equity and other investments				(104,301)
Net change in proceeds, purchases and settlements of derivatives				(7,265)
Net change in restricted cash and cash equivalents				(299,579)
Net cash provided by (used in) investing activities				(318,213)
Cash flows from financing activities
Issuance of collateralized loan obligation secured notes				648,197
Retirement of collateralized loan obligation secured notes				(221,914)
Distributions on common shares				(45,061)
Distributions on preferred shares	[1]			(13,782)
Distributions to Parent				0
Capital distributions to noncontrolling interests				0
Contributions from Parent				0
Capital contributions from Parent				0
Capital contributions from noncontrolling interests				0
Other capitalized costs				(3,918)
Net cash provided by (used in) financing activities				301,422
Net increase (decrease) in cash and cash equivalents				53,246
Cash and cash equivalents at beginning of period				157,167	210,413		$ 157,167
Cash and cash equivalents at end of period				210,413
Supplemental cash flow information
Cash paid for interest				53,576
Net cash paid (refunded) for income taxes				157
Non-cash investing and financing activities
Assets distributed to Parent				0
Assets contributed from Parent				0
Natural resources assets transferred out				0
Interest in Trinity transferred in				0
Preferred share distributions declared, not yet paid				0
Loans transferred from held for investment to held for sale				348,808
Other Credit Facilities | Successor Company
Cash flows from financing activities
Proceeds from credit facilities					60,100	0
Repayment of credit facilities					(40,000)	0
Other Credit Facilities | Predecessor Company
Cash flows from financing activities
Proceeds from credit facilities				13,300
Repayment of credit facilities				(75,400)
CLO Warehouse Facility | Successor Company
Cash flows from financing activities
Proceeds from credit facilities					0	216,063
Repayment of credit facilities					$ 0	$ (190,000)
CLO Warehouse Facility | Predecessor Company
Cash flows from financing activities
Proceeds from credit facilities				0
Repayment of credit facilities				$ 0

[1] For the four months ended April 30, 2014, $6.9 million of distributions on preferred shares was previously presented as "preferred share distribution payable" within operating activities of the condensed consolidated statements of cash flows.