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Derivatives (Net Gains (Losses) on Derivatives Designated as Hedges) (Details) - Fair Value Hedging - Derivative instruments designated as hedging instruments - Interest Expense - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Deposits |  |  |  |
Derivative [Line Items] |  |  |  |
Recognized on certificates of deposit | $ (357) | $ (1,434) | $ (1,719) | $ (2,695)
Interest rate contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Recognized on interest rate swaps | $ 951 | $ 1,634 | $ 2,996 | $ 2,854

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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