Employee Benefit and Deferred Compensation Plans (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended		3 Months Ended
	Sep. 01, 2013	Jan. 31, 2014	Jan. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Employee Benefit and Deferred Compensation Plans (Textual) [Abstract]
Stock option granted, vested and exercisable (percent)		33.33%	33.33%
Other options increases (decreases) in period (shares)	11,557			0
Award vesting period		3 years	3 years
Other share increase (decrease) in period (usd per share)	$ 21.16			$ 0.00
Weighted average remaining contractual life of options assumed in acquisition	2 years 18 days
Fair value of options assumed in acquisition	$ 68
Treasury shares reissued (shares)				92,727
Total stock-based compensation expense				$ 871	$ 478