Cash Management Agreement with Affiliate (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Cash Management Agreement with Affiliate [Abstract]
Cash and cash equivalents on deposit with affiliate	$ 7,908,345		$ 7,908,345		$ 9,596,823
Fixed income securities held by affiliate	14,704,345		14,704,345		21,870,890
Advisory fees	$ 13,729	$ 15,829	$ 40,594	$ 46,689
Annual fee			0.20%
Description of daily fee rate calculated and accrued			RJOIM is paid an annual fee, currently 0.20%, calculated and accrued daily at a rate equal to 1/360 of the principal balance.