Goodwill and Other Acquisition-Related Intangible Assets (Tables)
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9 Months Ended |
Sep. 30, 2026 |
| Intangible Asset, Goodwill and Other [Abstract] |
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| Schedule of Goodwill Assets by Business Segment |
A summary of the Company’s goodwill assets by reporting unit is presented in the following table: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | December 31, 2025 | | Goodwill Acquired | | Impairment Loss | | Goodwill Adjustments | | September 30, 2026 | | Community banking | $ | 687,754 | | | $ | — | | | $ | — | | | $ | (11,331) | | | $ | 676,423 | | | Specialty finance | 38,211 | | | — | | | — | | | 10,534 | | | 48,745 | | | Wealth management | 71,995 | | | 7,498 | | | — | | | — | | | 79,493 | | | Total | $ | 797,960 | | | $ | 7,498 | | | $ | — | | | $ | (797) | | | $ | 804,661 | |
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| Schedule of Intangible Asset, Indefinite-Lived |
A summary of acquisition-related intangible assets as of the dates shown and the expected amortization of finite-lived acquisition-related intangible assets as of September 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | (In thousands) | September 30, 2026 | | December 31, 2025 | | September 30, 2025 | | Community banking segment: | | | | | | | Core deposit intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 158,106 | | | $ | 158,106 | | | $ | 158,106 | | | Accumulated amortization | (90,420) | | | (76,861) | | | (72,179) | | | Net carrying amount | $ | 67,686 | | | $ | 81,245 | | | $ | 85,927 | | | Trademark with indefinite lives: | | | | | | | Carrying amount | 11,500 | | | 11,500 | | | 13,800 | | | Total net carrying amount | $ | 79,186 | | | $ | 92,745 | | | $ | 99,727 | | | Specialty finance segment: | | | | | | | Customer list intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 1,960 | | | $ | 1,961 | | | $ | 1,960 | | | Accumulated amortization | (1,960) | | | (1,932) | | | (1,924) | | | Net carrying amount | $ | — | | | $ | 29 | | | $ | 36 | | | Wealth management segment: | | | | | | | Customer list and other intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 53,230 | | | $ | 26,630 | | | $ | 26,630 | | | Accumulated amortization | (22,383) | | | (21,405) | | | (21,096) | | | Net carrying amount | $ | 30,847 | | | $ | 5,225 | | | $ | 5,534 | | | Total acquisition-related intangible assets: | | | | | | | Gross carrying amount | $ | 224,796 | | | $ | 198,197 | | | $ | 200,496 | | | Accumulated amortization | (114,763) | | | (100,198) | | | (95,199) | | | Total other acquisition-related intangible assets, net | $ | 110,033 | | | $ | 97,999 | | | $ | 105,297 | |
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| Schedule of Finite-Lived Intangible Assets |
A summary of acquisition-related intangible assets as of the dates shown and the expected amortization of finite-lived acquisition-related intangible assets as of September 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | (In thousands) | September 30, 2026 | | December 31, 2025 | | September 30, 2025 | | Community banking segment: | | | | | | | Core deposit intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 158,106 | | | $ | 158,106 | | | $ | 158,106 | | | Accumulated amortization | (90,420) | | | (76,861) | | | (72,179) | | | Net carrying amount | $ | 67,686 | | | $ | 81,245 | | | $ | 85,927 | | | Trademark with indefinite lives: | | | | | | | Carrying amount | 11,500 | | | 11,500 | | | 13,800 | | | Total net carrying amount | $ | 79,186 | | | $ | 92,745 | | | $ | 99,727 | | | Specialty finance segment: | | | | | | | Customer list intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 1,960 | | | $ | 1,961 | | | $ | 1,960 | | | Accumulated amortization | (1,960) | | | (1,932) | | | (1,924) | | | Net carrying amount | $ | — | | | $ | 29 | | | $ | 36 | | | Wealth management segment: | | | | | | | Customer list and other intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 53,230 | | | $ | 26,630 | | | $ | 26,630 | | | Accumulated amortization | (22,383) | | | (21,405) | | | (21,096) | | | Net carrying amount | $ | 30,847 | | | $ | 5,225 | | | $ | 5,534 | | | Total acquisition-related intangible assets: | | | | | | | Gross carrying amount | $ | 224,796 | | | $ | 198,197 | | | $ | 200,496 | | | Accumulated amortization | (114,763) | | | (100,198) | | | (95,199) | | | Total other acquisition-related intangible assets, net | $ | 110,033 | | | $ | 97,999 | | | $ | 105,297 | |
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| Schedule of Estimated Amortization |
| | | | | | | Estimated amortization | | | Actual in nine months ended September 30, 2026 | $ | 14,565 | | Estimated remaining in 2026 | 4,817 | | Estimated—2027 | 18,113 | | Estimated—2028 | 15,682 | | Estimated—2029 | 13,309 | | Estimated—2030 | 11,235 | |
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