Goodwill and Other Intangible Assets (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
Mar. 31, 2025 |
Jan. 01, 2025 |
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| Goodwill [Line Items] | |||||
| Goodwill | $ 3,094,059,000 | $ 3,094,059,000 | $ 1,923,106,000 | ||
| Core deposit and other intangibles | 433,458,000 | 433,458,000 | 66,458,000 | ||
| Impairment Charges | 0 | $ 0 | |||
| Independent | |||||
| Goodwill [Line Items] | |||||
| Goodwill | 1,200,000,000 | 1,200,000,000 | $ 1,200,000,000 | $ 1,170,953,000 | |
| Fair value adjustments | 6,000,000 | ||||
| Core deposit and other intangibles | $ 414,553,000 | ||||
| Core deposit intangibles | Independent | |||||
| Goodwill [Line Items] | |||||
| Core deposit and other intangibles | 412,100,000 | ||||
| Client list intangibles | Independent | |||||
| Goodwill [Line Items] | |||||
| Core deposit and other intangibles | $ 2,500,000 | $ 2,500,000 | $ 558,000 |
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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