Consolidated Statement Of Operations - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
INVESTMENT INCOME
Interest income		$ 89,629	$ 74,344		$ 101,783
Other income		4,331	5,841		2,813
Total investment income		93,960	80,185		104,596
EXPENSES
Base management fee to affiliate (Net of fee rebates of $332, $0, and $0, respectively)(1)	[1]	9,056	10,065		11,493
Interest expense		31,120	16,306		12,112
Other investment related expenses [Abstract]
Other investment related expenses - Servicing expense		4,132	3,770	[2]	2,657	[2]
Other investment related expenses- Debt Issuance Costs related to Other secured borrowings, at fair value		1,679	0	[2]	0	[2]
Other investment related expense - Other		3,943	4,300	[2]	2,955	[2]
Professional fees		2,915	3,474		3,129
Administration fees		720	1,123		1,355
Compensation expense		2,200	2,096		1,508
Insurance expense		498	597		641
Directors' fees and expenses		272	267		259
Share-based long term incentive plan unit expense		385	400		393
Other expenses		1,872	2,022		1,918
Total expenses		58,792	44,420		38,420
NET INVESTMENT INCOME		35,168	35,765		66,176
Net realized gain (loss) on:
Investments		3,924	2,729		34,384
Financial derivatives, excluding currency hedges		(12,153)	(40,758)		(15,096)
Financial derivatives—currency hedges		(6,420)	4,093		4,738
Foreign currency transactions		3,845	(5,597)		(3,073)
Total net realized gain (loss)		(10,804)	(39,533)		20,953
Change in net unrealized gain (loss) on:
Investments		7,374	(8,033)		(56,869)
Financial derivatives, excluding currency hedges		426	(5,964)		9,498
Financial derivatives—currency hedges		(526)	(1,580)		377
Foreign currency translation		4,326	3,643		(1,706)
Total change in net unrealized gain (loss)		11,600	(11,934)		(48,700)
Total Change in Net Unrealized Gain Loss On Investments, Financial derivatives, and Foreign currency translation		796	(51,467)		(27,747)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		35,964	(15,702)		38,429
Net Income (Loss) Attributable to Noncontrolling Interest		1,983	305		340
Net Income (Loss) Attributable to Parent		$ 33,981	$ (16,007)		$ 38,089
NET INCREASE (DECREASE) IN SHAREHOLDERS' EQUITY RESULTING FROM OPERATIONS PER SHARE:
Basic and Diluted (in usd per share)		$ 1.04	$ (0.48)		$ 1.13
CASH DIVIDENDS PER SHARE:
Dividends declared (in usd per share)		$ 1.76	$ 1.95		$ 2.45

[1] See Note 9 for further details on management fee rebates.

[2] Conformed to current period presentation.