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Fair Value Qualitative information about Level 3 fair value measurements (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value | $ 1,817 | $ 2,497
Other Assets, Fair Value Disclosure | 7,260,568 | 7,200,851
Loans Held-for-sale, Fair Value Disclosure | 2,037 | 3,235
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value | 1,817 | 2,497
Other Assets, Fair Value Disclosure | 7,260,568 | 7,200,851
Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Loans Receivable [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value |  | 2,315
Fair Value, Nonrecurring [Member] | Residential Real Estate [Member] | Loans Receivable [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value |  | 182
Estimate of Fair Value Measurement [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value |  | $ 2,497
Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value | 1,641 |
Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member] | Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired Loan Fair Value | $ 176 |

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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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