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Share-Based Payment Arrangements (Narrative) (Details) $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2024 USD ($) Entity $ / shares shares
Restricted and Performance Shares [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Total unrecognized compensation expense | $ | $ 65.0
Weighted-average period | 3 years 4 months 24 days
Total fair value of shares vested | $ | $ 16.0
Shares granted | 751,122
Grant date fair value per share | $ / shares | $ 42.07
Performance Shares [Member] | Executive Management [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Service period | 3 years
Performance Shares [Member] | Total Shareholder Return [Member] | Executive Management [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares granted | 47,734
Grant date fair value per share | $ / shares | $ 43.23
Vesting performance period | 3 years
Number of peer group regional banks | Entity | 49
Performance Shares [Member] | Total Shareholder Return [Member] | Executive Management [Member] | Tranche One [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of maximum number of shares vested | 200.00%
Performance Shares [Member] | Adjusted Earnings Per Share [Member] | Executive Management [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares granted | 47,734
Grant date fair value per share | $ / shares | $ 36.25
Vesting performance period | 2 years
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares granted | 533,662

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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