Basis of Accounting and Consolidation Basis of Accounting and Consolidation 2 (Preferred Stock) - $ / shares	May 16, 2016	Feb. 11, 2011
Series C Convertible Preferred Stock [Abstract]
Preferred stock, conversion price per share	$ 20.29
Convertible Preferred Stock, Shares Issued upon Conversion	246.427
Common Shares Issued, Conversion Of Preferred Stock	1,355,319
Series C Convertible Preferred Stock [Member]
Series C Convertible Preferred Stock [Abstract]
Sale of Stock, Price Per Share		$ 5,000