Shareholders' Equity (Details) - Jun. 30, 2015 - $ / shares	Total
Voting Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, par value	$ 0
Preferred Stock, shares authorized	12,500,000.0
Nonvoting Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, par value	$ 0
Preferred Stock, shares authorized	12,500,000.0