Benefit Plans Benefit Plans (Post-retirement) (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Cash surrender value of bank owned life insurance	$ 6,500,000	$ 6,300,000
Bank owned life insurance, non-taxable income	233,000	236,000	242,000
Executive Officer [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of executive officers	1
Post-retirement compensation liability	4,400,000	3,900,000
Post-retirement compensation expense	471,000	318,000
401(k) defined contribution plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer matching contributions (percent)	3.00%
Employee contributions, immediate vesting (percent)	100.00%
Vesting term for employer matching contributions	6 years
401(k) defined contribution expense	$ 852,000	$ 563,000	$ 451,000