Derivatives (Effects of Derivative Instruments on the Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Derivative income reflected in income statement	$ (8,881)	$ (7,440)	$ (31,440)	$ (17,502)
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	$ (12,649)	$ (11,116)	$ (38,120)	$ (28,609)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest and Fee Income, Loan and Lease, Held-in-Portfolio	Interest and Fee Income, Loan and Lease, Held-in-Portfolio	Interest and Fee Income, Loan and Lease, Held-in-Portfolio	Interest and Fee Income, Loan and Lease, 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	$ 3,215	$ 3,023	$ 9,437	$ 8,786
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Income, Securities, Operating, Taxable	Interest Income, Securities, Operating, Taxable	Interest Income, Securities, Operating, Taxable	Interest Income, Securities, Operating, Taxable
Derivatives Not Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative income reflected in income statement	$ 923	$ 418	$ (2,939)	$ 1,585
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income, Other	Noninterest Income, Other	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	$ (370)	$ 235	$ 182	$ 736
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income	Noninterest Income	Noninterest Income	Noninterest Income

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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+ References

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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