Investments in and Advances to Affiliates (Details) (USD $)	6 Months Ended
	Jun. 30, 2014
Related Party Disclosure Investments In And Advances To Affiliates 1	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 2	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 3	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 4	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 5	1.20%
Related Party Disclosure Investments In And Advances To Affiliates 6	7.20%
Related Party Disclosure Investments In And Advances To Affiliates 7	25.00%
Related Party Disclosure Investments In And Advances To Affiliates 8	25.00%
Related Party Disclosure Investments In And Advances To Affiliates 9	90.00%
Related Party Disclosure Investments In And Advances To Affiliates 10	90.00%
Related Party Disclosure Investments In And Advances To Affiliates 11	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 12	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 13	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 14	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 15	74.00%
Related Party Disclosure Investments In And Advances To Affiliates 16	74.00%
Related Party Disclosure Investments In And Advances To Affiliates 17	74.00%
Related Party Disclosure Investments In And Advances To Affiliates 18	74.00%
Related Party Disclosure Investments In And Advances To Affiliates 19	100.00%
Related Party Disclosure Investments In And Advances To Affiliates 20	$ 0