Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Stock option activity and related information
Number of options outstanding at June 30, 2014	190,100
Number of options granted	0
Number of options exercised	(68,037)	(55,200)	(134,450)
Number of options cancelled	0
Number of options outstanding at June 30, 2015	122,063	190,100
Number of options vested or expected to vest at June 30, 2015	122,063
Number of options exercisable at June 30, 2015	122,063
Weighted average remaining contractual life	5 years 3 months	5 years 8 months
Weighted average remaining contractual life vested or expected to vest at June 30, 2015	5 years 3 months
Weighted average remaining contractual life exercisable at June 30, 2015	5 years 3 months
Weighted average exercise price at June 30, 2014	$ 9.90
Weighted average exercise price granted	0.00
Weighted average exercise price exercised	9.38
Weighted average exercise price cancelled	0.00
Weighted average exercise price at June 30, 2015	10.19	$ 9.90
Weighted average exercise price vested or expected to vest at June 30, 2015	10.19
Weighted average exercise price exercisable at June 30, 2015	$ 10.19
Aggregate intrinsic value outstanding at June 30, 2015	$ 769	$ 1,593
Aggregate intrinsic value exercised	728	700	$ 2,400
Aggregate intrinsic value outstanding at June 30, 2016	769	$ 1,593
Aggregate intrinsic value vested or expected to be vest at June 30, 2016	769
Aggregate intrinsic value exercisable at June 30, 2016	$ 769