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Derivatives (Hedged Items Currently Designated) (Details) - Derivative instruments designated as hedging instruments - Fair Value Hedging - Certificates of deposits - Interest rate contracts - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Derivative [Line Items] |  |
Hedged liability, fair value hedge, carrying value | $ (29,276) | $ (26,877)
Hedged liability, fair value hedge, cumulative decrease, carrying value | $ 1,408 | $ 4,141

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- Definition Amount of liability hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
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- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
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