Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001403256 (http://www.sec.gov/CIK)

Debt Instruments [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Debt Instruments [Abstract]
Schedule of Maturities of Long-term Debt [Table Text Block]	As of December 31, 2016, the Company’s outstanding indebtedness was primarily comprised of senior notes (the “Senior Notes”), borrowings under a revolving credit facility (the “Revolving Credit Facility”), a secured term loan to finance the purchase of a corporate aircraft (the “Aircraft Loan”) and a secured loan to finance the purchase of the Company’s investments in a CLO (“CLO Investment Loan”). The table below presents scheduled principal payments on the Company’s debt obligations for each of the next five years.   Scheduled Payments       (dollars in thousands) 2017 $ 3,153 2018 $ 3,041 2019 $ 523,140 2020 $ 3,243 2021 $ 3,349
Schedule of Notes and Loans Payable of Consolidated CLOs	The table below presents information related to the CLO notes and loans outstanding as of December 31, 2015. The subordinated notes have no stated interest rate, and are entitled to any excess cash flows after contractual payments are made to the senior secured notes and loans. As a result of the adoption of ASU 2015-02 referenced above, there were no notes or loans payable of consolidated CLOs as of December 31, 2016.   As of December 31, 2015   Borrowings Outstanding   Fair Value   Weighted-Average Interest Rate   Weighted-Average Maturity in Years                   (dollars in thousands)         Senior secured notes and loans payable of consolidated CLOs $ 6,810,350   $ 6,636,838   2.45%   10.5 Subordinated notes payable of consolidated CLOs 688,578   440,841   N/A   10.5 Total Notes and Loans Payable of Consolidated CLOs $ 7,498,928   $ 7,077,679