The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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+ Details

Share-Based Compensation Plans Textuals (Details) (USD $)	6 Months Ended					3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Stock options [Member]	Jun. 30, 2012 Stock options [Member]	Jun. 30, 2013 Restricted shares [Member]	Jun. 30, 2012 Maximum [Member] Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised				$ 100,000		$ 100,000
Proceeds from Stock Options Exercised	0	162,000
Unrecognized compensation expense from share-based compensation awards			2,300,000		5,500,000
Weighted-average period of recognition of unrecognized compensation expense (in years)			3 years 6 months		3 years 3 months 18 days
Fair value of shares upon vesting					$ 500,000