Interest Rate Derivatives and Hedging Activities (Narrative) (Details) - Jun. 30, 2015 - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions	Total
Derivatives at Fair Value \| Interest rate swaps
Derivative [Line Items]
Fair value of derivatives	$ 1.9
Interest rate swaps, net
Derivative [Line Items]
Amount required to settle its obligations under the agreement at its aggregate termination value incase of breach	$ 1.9
Interest rate swaps, net \| Interest Expense
Derivative [Line Items]
Interests reclassified to AOCI	12 months
Interests reclassified to AOCI period	$ 1.7

The aggregate fair value of assets needed to immediately settle the derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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