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Derivatives (Effects of Derivative Instruments on the Statements of Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ (4,184) | $ 13,073
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Interest Rate Swaps - Variable Rate Loans [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ (8,001) | $ 6,754
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest and Fee Income, Loans and Leases Held-in-portfolio | Interest and Fee Income, Loans and Leases Held-in-portfolio
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedging [Member] | Interest Rate Swaps - Securities [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ 2,750 | $ 1,158
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Income, Securities, Operating, Taxable | Interest Income, Securities, Operating, Taxable
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedging [Member] | Securities Termination [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ 0 | $ 1,620
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Debt and Equity Securities, Gain (Loss) | Debt and Equity Securities, Gain (Loss)
Derivatives Not Designated as Hedging Instruments [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ 583 | $ 2,349
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income, Other | Noninterest Income, Other
Derivatives Not Designated as Hedging Instruments [Member] | Residential mortgage banking |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative income reflected in income statement | $ 484 | $ 1,192
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income | Noninterest Income

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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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + 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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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