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Derivative Assets And Collateral Received (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Derivative [Line Items] |  |  |
Gross amounts of recognized assets |  | $ 91,653 | $ 121,654
Derivative Assets not subject to master netting agreements |  | 16,100 | 33,700
Derivatives, Interest Rate Contracts | Subject to Master Netting Agreements |  |  |
Derivative [Line Items] |  |  |
Gross amounts of recognized assets | [1] | 75,526 | 87,962
Gross amounts offset in the Statement of Condition | [1] | 0 | 0
Net amounts of assets presented in the Statement of Condition | [1],[2] | 75,526 | 87,962
Derivative liabilities available for offset | [1] | (22,842) | (25,953)
Collateral Received | [1] | (47,292) | (52,888)
Net amount | [1] | $ 5,392 | $ 9,121
[1] | Amounts are comprised entirely of interest rate derivative contracts.
[2] | Included in Derivative assets on the Consolidated Condensed Statements of Condition. As of June 30, 2017 and December 31, 2016, $16.1 million and $33.7 million, respectively, of derivative assets (primarily fixed income forward contracts) have been excluded from these tables because they are generally not subject to master netting or similar agreements.

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