Derivative Instruments and Hedging Activities Credit Risk - Counterparty Exposure (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative, Collateral, Obligation to Return Cash | $ 69,414 | |
| Derivative, Collateral, Right to Reclaim Cash | 223,273 | |
| Derivative Financial Instruments, Assets [Member] | ||
| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative, Fair Value, Net | 324,182 | $ 271,509 |
| Derivative Financial Instruments, Liabilities [Member] | ||
| Offsetting Assets and Liabilities [Line Items] | ||
| Derivative, Fair Value, Net | $ (12,501) | $ (7,285) |
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- Definition [Line Items] for Disclosure of information about derivative and financial assets and liabilties that are subject to offsetting, including enforceable master netting arrangements. No definition available.
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- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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