Stock-Based Compensation (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2008
Stock option activity, weighted average exercise price per share [Abstract]
Options exercises in period, intrinsic value	$ 182,000	$ 378,000
Options granted (in shares)	0	0
Stock Option [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Award vesting period	3 years
Stock option activity, shares [Roll Forward]
Outstanding at beginning of year (in shares)	59,435	87,400
Exercised (in shares)	(11,600)	(27,965)
Outstanding at year end (in shares)	47,835	59,435
Exercisable at year end (in shares)	47,835	59,435
Stock option activity, weighted average exercise price per share [Abstract]
Outstanding at beginning of year (in dollars per share)	$ 12.50	$ 12.50
Exercised (in dollars per share)	12.50	12.50
Outstanding at year end (in dollars per share)	12.50	12.50
Exercisable at year end (in dollars per share)	$ 12.50	$ 12.50
2008 Stock Option Plan [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares authorized under the plan (in shares)	180,000
Options, exercise price (in dollars per share)			$ 12.50
Options, expected term			10 years
Award vesting period			3 years
Stock option activity, weighted average exercise price per share [Abstract]
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 0	$ 0
Options granted (in shares)			164,500