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Derivative Instruments (Derivative Assets Offset in The Consolidated Balance Sheets) (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified | Jun. 30, 2013
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Interest Rate Swap [Member] |
Offsetting Assets [Line Items] |
Gross amounts of recognized assets | $ 5,758
Net Amounts of Assets presented in the Statement of Financial Position | 5,758
Fair Value of collateral | 5,758
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral | 5,758
Net Amount | $ 0

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