Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash dividends paid on common shares, per share	$ 0.11	$ 0.11
Issuance under equity compensation plans, shares	109,500	153,007
Stock Issued During Period, Shares, Conversion of Convertible Securities	0	287,852