Benefit Plans Benefit Plans (ESOP) (Details) (USD $)	0 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 1996	Mar. 31, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
ESOP, requisite service period			1 year
ESOP, requisite service period (per year)			1000 hours
ESOP, employer loan amount	$ 4,100,000
ESOP, number of allocated shares acquired with employer loan		922,538	60,000	60,000	60,867
ESOP, employer loan repayment term		15 years
ESOP, shares purchased to partially fulfill annual discretionary allocation			44,219	60,000
ESOP, vesting period			6 years
ESOP expense			$ 1,400,000	$ 375,000	$ 304,000
Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
ESOP participation age limit			21 years