Subsequent Event (Details Textual) - USD ($)	Aug. 29, 2017	Mar. 31, 2016
Subsequent Event [Line Items]
Stock repurchase program, number of shares authorized		$ 50,000,000
Scenario, Forecast
Subsequent Event [Line Items]
Stock repurchase program, number of shares authorized	$ 50,000,000
Stock repurchase program expiration date	Aug. 29, 2020