VARIABLE INTEREST ENTITIES RSO Cash Flow Detail (Non-printing) (Details) - RSO [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from dividend reinvestment and stock purchase plan, offering costs	$ 0	$ 0
Common Stock [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Offering costs on stock issuance	0	0
Redeemable Preferred Stock Series A [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Offering costs on stock issuance	$ 0	0
Preferred stock, coupon authorized	8.50%
Redeemable Preferred Stock Series B [Member]
CASH FLOWS FROM FINANCING ACTIVITIES:
Offering costs on stock issuance	$ 111	$ 565
Preferred stock, coupon authorized	8.25%