Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Offsetting of Derivative Assets and Liabilities (Details)

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Derivative Instruments and Hedging Activities - Offsetting of Derivative Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivatives - Assets, Gross Amounts of Derivatives $ 5,822us-gaap_DerivativeFairValueOfDerivativeAsset $ 666us-gaap_DerivativeFairValueOfDerivativeAsset
Derivatives - Assets, Gross Amounts of Derivatives Offset in the Condensed Consolidated Balance Sheets 0us-gaap_DerivativeAssetFairValueGrossLiability 0us-gaap_DerivativeAssetFairValueGrossLiability
Derivatives - Assets, Net Amount of Derivatives Presented in the Condensed Consolidated Balance Sheets 5,822us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral 666us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Derivatives - Assets, Financial Instruments (2,310)us-gaap_DerivativeCollateralObligationToReturnSecurities (423)us-gaap_DerivativeCollateralObligationToReturnSecurities
Derivatives - Assets, Cash Collateral Received 0us-gaap_DerivativeCollateralObligationToReturnCash 0us-gaap_DerivativeCollateralObligationToReturnCash
Derivatives - Assets, Net Amount 3,512us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral 243us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
Derivatives - Liabilities, Gross Amounts of Derivatives (3,725)us-gaap_DerivativeFairValueOfDerivativeLiability (898)us-gaap_DerivativeFairValueOfDerivativeLiability
Derivatives - Liabilities, Gross Amounts of Derivatives Offset in the Condensed Consolidated Balance Sheets 0us-gaap_DerivativeLiabilityFairValueGrossAsset 0us-gaap_DerivativeLiabilityFairValueGrossAsset
Derivatives - Liabilities, Net Amount of Derivatives Presented in the Condensed Consolidated Balance Sheets (3,725)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral (898)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
Derivatives - Liabilities, Financial Instruments 2,310us-gaap_DerivativeCollateralRightToReclaimSecurities 423us-gaap_DerivativeCollateralRightToReclaimSecurities
Derivatives - Liabilities, Cash Collateral Received 0us-gaap_DerivativeCollateralRightToReclaimCash 0us-gaap_DerivativeCollateralRightToReclaimCash
Derivatives - Liabilities, Net Amount $ (1,415)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral $ (475)us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral