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Offsetting of Assets and Liabilities | 9 Months Ended
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Sep. 30, 2018
Offsetting of Assets and Liabilities [Abstract] |
OffsettingOfAssetsAndLiabilities [Text Block] | Offsetting of Assets and Liabilities The Company records certain financial instruments at fair value as described in Note 2. All financial instruments are recorded on a gross basis on the Consolidated Balance Sheet. In connection with its financial derivatives, repurchase agreements, and related trading agreements, the Company and its counterparties are required to pledge collateral. Cash or other collateral is exchanged as required with each of the Company's counterparties in connection with open derivative positions and repurchase agreements. The following tables present information about certain assets and liabilities representing financial instruments as of September 30, 2018 and December 31, 2017. The Company has not previously entered into master netting agreements with any of its counterparties. Certain of the Company's repurchase and reverse repurchase agreements and financial derivative transactions are governed by underlying agreements that generally provide a right of offset in the event of default or in the event of a bankruptcy of either party to the transaction. September 30, 2018:
Description |  | Amount of Assets (Liabilities) Presented in the Consolidated Balance Sheet(1) |  | Financial Instruments Available for Offset |  | Financial Instruments Transferred or Pledged as Collateral(2)(3) |  | Cash Collateral (Received) Pledged(2)(3) |  | Net Amount
(In thousands) |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Financial derivatives–assets |  | $ | 23,049 |  |  | $ | (310 | ) |  | $ | — |  |  | $ | (8,223 | ) |  | $ | 14,516 |
Reverse repurchase agreements |  | 26,769 |  |  | (26,769 | ) |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |  |  |  |
Financial derivatives–liabilities |  | (333 | ) |  | 310 |  |  | — |  |  | 22 |  |  | (1 | )
Repurchase agreements |  | (1,500,632 | ) |  | 26,769 |  |  | 1,448,524 |  |  | 25,339 |  |  | — |
(1) | In the Company's Consolidated Balance Sheet, all balances associated with the repurchase agreements and financial derivatives are presented on a gross basis.
(2) | For the purpose of this presentation, for each row the total amount of financial instruments transferred or pledged and cash collateral (received) or pledged may not exceed the applicable gross amount of assets or (liabilities) as presented here. Therefore, the Company has reduced the amount of financial instruments transferred or pledged as collateral related to the Company's repurchase agreements and cash collateral pledged on the Company's financial derivative assets and liabilities. Total financial instruments transferred or pledged as collateral on the Company's repurchase agreements as of September 30, 2018 were $1.55 billion. As of September 30, 2018 total cash collateral on financial derivative assets and liabilities excludes $0.6 million and $0.9 million respectively of net excess cash collateral.
(3) | When collateral is pledged to or pledged by a counterparty, it is often pledged or posted with respect to all positions with such counterparty, and in such cases such collateral cannot be specifically identified as relating to a specific asset or liability. As a result, in preparing the above table, the Company has made assumptions in allocating pledged or posted collateral among the various rows.
December 31, 2017:
Description |  | Amount of Assets (Liabilities) Presented in the Consolidated Balance Sheet(1) |  | Financial Instruments Available for Offset |  | Financial Instruments Transferred or Pledged as Collateral(2)(3) |  | Cash Collateral (Received) Pledged(2)(3) |  | Net Amount
(In thousands) |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |
Financial derivatives–assets |  | $ | 8,792 |  |  | $ | (1,046 | ) |  | $ | — |  |  | $ | — |  |  | $ | 7,746 |
Reverse repurchase agreements |  | 81,461 |  |  | (81,461 | ) |  | — |  |  | — |  |  | — |
Liabilities: |  |  |  |  |  |  |  |  |  |
Financial derivatives–liabilities |  | (1,863 | ) |  | 1,046 |  |  | — |  |  | 697 |  |  | (120 | )
Repurchase agreements |  | (1,597,206 | ) |  | 81,461 |  |  | 1,497,038 |  |  | 18,707 |  |  | — |
(1) | In the Company's Consolidated Balance Sheet, all balances associated with the repurchase agreements and financial derivatives are presented on a gross basis.
(2) | For the purpose of this presentation, for each row the total amount of financial instruments transferred or pledged and cash collateral (received) or pledged may not exceed the applicable gross amount of assets or (liabilities) as presented here. Therefore the Company has reduced the amount of financial instruments transferred or pledged as collateral related to the Company's repurchase agreements and cash collateral pledged on the Company's financial derivative assets and liabilities. Total financial instruments transferred or pledged as collateral on the Company's repurchase agreements as of December 31, 2017 were $1.66 billion. As of December 31, 2017 total cash collateral on financial derivative assets and liabilities excludes $5.4 million and $1.4 million, respectively of net excess cash collateral.
(3) | When collateral is pledged to or pledged by a counterparty, it is often pledged or posted with respect to all positions with such counterparty, and in such cases such collateral cannot be specifically identified as relating to a specific asset or liability. As a result, in preparing the above table, the Company has made assumptions in allocating pledged or posted collateral among the various rows.

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- Definition The entire disclosure for derivatives and repurchase agreements agreements that are subject to offsetting. + References No definition available. + Details
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- Definition Offsetting of Assets and Liabilities [Abstract] + References No definition available. + Details
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