Subsequent Event (Details) - shares	Oct. 21, 2015	Sep. 30, 2015
Subsequent Event [Line Items]
Shares of common stock remaining available for repurchase		256,091
Subsequent Event [Member]
Subsequent Event [Line Items]
Additional shares of common stock authorized under current share repurchase program	1,500,000
Shares of common stock remaining available for repurchase	1,756,091