Schedule of Fair Value, by Balance Sheet Grouping (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
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	25,596
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 4	25,596
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 5	4,536,436
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 6	2,038,288
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 7	9,513,037
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
Fair Value Of Financial Instruments Schedule Of Fair Value, By Balance Sheet Grouping 11	$ 243,983