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Fair Value Measurement (Fair Value Assets And Liabilities Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	$ 9,193,196	$ 9,360,048
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	429,678	432,200
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	8,661,513	8,818,605
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	102,005	109,243
Fair Value, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	18,636	5,036
Fair Value, Nonrecurring | Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	0	0
Fair Value, Nonrecurring | Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	0	0
Fair Value, Nonrecurring | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	18,636	5,036
Fair Value, Nonrecurring | Loans and leases
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	18,636	5,036
Fair Value, Nonrecurring | Loans and leases | Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	0	0
Fair Value, Nonrecurring | Loans and leases | Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	0	0
Fair Value, Nonrecurring | Loans and leases | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets measured at fair value	$ 18,636	$ 5,036

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Definition

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+ References

No definition available.

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