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Derivative Instruments and Hedging Activities (Effect of Fair Value Hedges on Consolidated Statements of Income) (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Derivative [Line Items] |  |
Gain (Loss) Recognized in Consolidated Statements of Income | $ 3,010 | $ 5,671
Interest rate contracts | Capital markets income |  |
Derivative [Line Items] |  |
Gain (Loss) Recognized in Consolidated Statements of Income | 673 | 947
Risk participation agreements | Capital markets income |  |
Derivative [Line Items] |  |
Gain (Loss) Recognized in Consolidated Statements of Income | 25 | 201
Foreign exchange contracts | Capital markets income |  |
Derivative [Line Items] |  |
Gain (Loss) Recognized in Consolidated Statements of Income | 65 | 0
Mortgage derivatives | Mortgage derivatives - interest rate lock commitments | Mortgage banking income |  |
Derivative [Line Items] |  |
Gain (Loss) Recognized in Consolidated Statements of Income | (1,318) | (1,719)
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 | $ 3,565 | $ 6,242

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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=125515794&loc=SL5618551-113959 + Details
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