Derivative Financial Instruments - Schedule of Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Derivative [Line Items]
Restricted cash	$ 1,274	$ 1,002
Counterparty One [Member]
Derivative [Line Items]
Derivative Asset, Gross Amount Reported on Balance Sheet	105	291
Derivative Asset - Netting Adjustment	(105)	(291)
Cash Collateral Posted	0	0
Derivative Assets - Net Exposure	0	0
Derivative Liability - Gross Amount Reported on Balance Sheet	4,378	4,292
Derivative Liability - Netting Adjustment	(105)	(291)
Restricted cash	1,274	1,002
Derivative Liability - Cash Collateral Received		1,001
Derivative Liabilities - Net Exposure	$ 2,999	$ 3,000