Schedule of Fair Value, by Balance Sheet Grouping (Details)	6 Months Ended
	Jun. 30, 2012
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 1	686,476
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 2	686,476
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 3	168,092
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 4	168,092
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 5	4,608,589
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 6	1,585,449
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 7	6,487,252
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 8	16,106,691
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 9	6,183,499
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 10	23,257,826