Goodwill and Other Acquisition-Related Intangible Assets (Tables)
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6 Months Ended |
Jun. 30, 2026 |
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| 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 | | June 30,
2026 | | Community banking | $ | 687,754 | | | $ | — | | | $ | — | | | $ | (11,331) | | | $ | 676,423 | | | Specialty finance | 38,211 | | | — | | | — | | | 10,590 | | | 48,801 | | | Wealth management | 71,995 | | | — | | | — | | | — | | | 71,995 | | | Total | $ | 797,960 | | | $ | — | | | $ | — | | | $ | (741) | | | $ | 797,219 | |
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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 June 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | (In thousands) | June 30,
2026 | | December 31,
2025 | | June 30,
2025 | | Community banking segment: | | | | | | | Core deposit intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 158,106 | | | $ | 158,106 | | | $ | 158,106 | | | Accumulated amortization | (86,132) | | | (76,861) | | | (67,301) | | | Net carrying amount | $ | 71,974 | | | $ | 81,245 | | | $ | 90,805 | | | Trademark with indefinite lives: | | | | | | | Carrying amount | 11,500 | | | 11,500 | | | 13,800 | | | Total net carrying amount | $ | 83,474 | | | $ | 92,745 | | | $ | 104,605 | | | Specialty finance segment: | | | | | | | Customer list intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 1,960 | | | $ | 1,961 | | | $ | 1,962 | | | Accumulated amortization | (1,950) | | | (1,932) | | | (1,915) | | | Net carrying amount | $ | 10 | | | $ | 29 | | | $ | 47 | | | Wealth management segment: | | | | | | | Customer list and other intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 26,630 | | | $ | 26,630 | | | $ | 26,630 | | | Accumulated amortization | (21,995) | | | (21,405) | | | (20,787) | | | Net carrying amount | $ | 4,635 | | | $ | 5,225 | | | $ | 5,843 | | | Total acquisition-related intangible assets: | | | | | | | Gross carrying amount | $ | 198,196 | | | $ | 198,197 | | | $ | 200,498 | | | Accumulated amortization | (110,077) | | | (100,198) | | | (90,003) | | | Total other acquisition-related intangible assets, net | $ | 88,119 | | | $ | 97,999 | | | $ | 110,495 | |
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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 June 30, 2026 is as follows: | | | | | | | | | | | | | | | | | | | (In thousands) | June 30,
2026 | | December 31,
2025 | | June 30,
2025 | | Community banking segment: | | | | | | | Core deposit intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 158,106 | | | $ | 158,106 | | | $ | 158,106 | | | Accumulated amortization | (86,132) | | | (76,861) | | | (67,301) | | | Net carrying amount | $ | 71,974 | | | $ | 81,245 | | | $ | 90,805 | | | Trademark with indefinite lives: | | | | | | | Carrying amount | 11,500 | | | 11,500 | | | 13,800 | | | Total net carrying amount | $ | 83,474 | | | $ | 92,745 | | | $ | 104,605 | | | Specialty finance segment: | | | | | | | Customer list intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 1,960 | | | $ | 1,961 | | | $ | 1,962 | | | Accumulated amortization | (1,950) | | | (1,932) | | | (1,915) | | | Net carrying amount | $ | 10 | | | $ | 29 | | | $ | 47 | | | Wealth management segment: | | | | | | | Customer list and other intangibles with finite lives: | | | | | | | Gross carrying amount | $ | 26,630 | | | $ | 26,630 | | | $ | 26,630 | | | Accumulated amortization | (21,995) | | | (21,405) | | | (20,787) | | | Net carrying amount | $ | 4,635 | | | $ | 5,225 | | | $ | 5,843 | | | Total acquisition-related intangible assets: | | | | | | | Gross carrying amount | $ | 198,196 | | | $ | 198,197 | | | $ | 200,498 | | | Accumulated amortization | (110,077) | | | (100,198) | | | (90,003) | | | Total other acquisition-related intangible assets, net | $ | 88,119 | | | $ | 97,999 | | | $ | 110,495 | |
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| Schedule of Estimated Amortization |
| | | | | | | Estimated amortization | | | Actual in six months ended June 30, 2026 | $ | 9,879 | | Estimated remaining in 2026 | 8,940 | | Estimated—2027 | 16,340 | | Estimated—2028 | 13,908 | | Estimated—2029 | 11,536 | | Estimated—2030 | 9,461 | |
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