Derivative Financial Instruments - Schedule of Offsetting Derivative Assets and Liabilities (Details) (USD $)	Dec. 31, 2013	Jun. 30, 2013
Counterparty A
Derivative [Line Items]
Derivative Asset, Gross Amount Reported on Balance Sheet	$ 229,000	$ 4,000
Derivative Asset - Netting Adjustment	(229,000)	(4,000)
Cash Collateral Posted	0	0
Derivative Assets - Net Exposure	0	0
Derivative Liability - Gross Amount Reported on Balance Sheet	7,564,000	11,025,000
Derivative Liability - Netting Adjustment	(229,000)	(4,000)
Derivative Liability - Cash Collateral Received	3,576,000	8,084,000
Derivative Liabilities - Net Exposure	3,759,000	2,937,000
Counterparty B
Derivative [Line Items]
Derivative Asset, Gross Amount Reported on Balance Sheet	0	0
Derivative Asset - Netting Adjustment	0	0
Cash Collateral Posted	0	0
Derivative Assets - Net Exposure	0	0
Derivative Liability - Gross Amount Reported on Balance Sheet	29,000	25,000
Derivative Liability - Netting Adjustment	0	0
Derivative Liability - Cash Collateral Received	0	0
Derivative Liabilities - Net Exposure	$ 29,000	$ 25,000