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Derivative Instruments and Hedging Activities (Effect of Fair Value Hedges on Consolidated Statements of Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Swap |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income |  |  | $ 2,500 |
Derivatives not designated as hedging instruments |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income | $ 3,724 | $ 233 | 4,878 | $ 810
Derivatives not designated as hedging instruments | Interest rate contracts | Capital markets income |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income | 653 | 221 | 49 | 91
Derivatives not designated as hedging instruments | Other contracts | Capital markets income |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income | 4 | 0 | (333) | 0
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - interest rate lock commitments | Mortgage banking income |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income | (634) | 255 | 6,390 | 948
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans | Mortgage banking income |  |  |  |
Derivative [Line Items] |  |  |  |
Gain (Loss) Recognized in Consolidated Statements of Income | $ 3,701 | $ (243) | $ (1,228) | $ (229)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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