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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets The following table summarizes the changes in goodwill:
| For the Year Ended December 31,
(In thousands) | 2025 |  | 2024 |  |
Goodwill balance, beginning of year | $ | 128,160 |  |  | $ | 127,031 |  |  |
Commonwealth Benefits Group acquisition | — |  |  | 1,129 |  |  |
William Penn Acquisition | 6,857 |  |  | — |  |  |
Charis Insurance acquisition | 1,603 |  |  | — |  |  |
Goodwill balance, end of year | $ | 136,620 |  |  | $ | 128,160 |  |  |
On May 12, 2025, Mid Penn acquired the insurance business and related accounts of Charis Insurance Group, Inc., which provides business home and auto insurance throughout central and southern Pennsylvania. Goodwill totaling $1.6 million was booked as a result of the business combination. On April 30, 2025, Mid Penn completed the acquisition of William Penn which further expands Mid Penn's presence in the Philadelphia region and surrounding counties in Pennsylvania and New Jersey. Goodwill totaling $6.9 million was booked as a result of the business combination. On July 31, 2024, Mid Penn acquired the insurance business and related accounts of a full-service employee benefits firm that serves mid to large employers across central and eastern Pennsylvania, northern Maryland, and northern Virginia. Goodwill totaling $1.1 million was booked as a result of this business combination. The following table presents the gross carrying amount and accumulated amortization of core deposit and other intangibles as of December 31:
(In thousands) | 2025 |  | 2024
Gross carrying amount of core deposit and other intangibles | $ | 17,703 |  |  | $ | 8,026 |
Less: accumulated amortization | (3,046) |  |  | (1,784) |
Core deposit and other intangibles, net | $ | 14,657 |  |  | $ | 6,242 |
The following table summarizes the changes in core deposit intangible:
| For the Year Ended December 31,
(In thousands) | 2025 |  | 2024 |  | 2023
Core deposit intangible balance, beginning of year | $ | 3,382 |  |  | $ | 4,649 |  |  | $ | 4,964 |
Brunswick core deposit intangibles | — |  |  | — |  |  | 999 |
William Penn core deposit intangibles | 9,002 |  |  | — |  |  | — |
Less: Amortization of core deposit intangibles | (2,126) |  |  | (1,267) |  |  | (1,314) |
Core deposit intangible balances, end of year | $ | 10,258 |  |  | $ | 3,382 |  |  | $ | 4,649 |
Core deposit intangibles are amortized using the sum-of-the-years'-digits method over estimated useful lives not to exceed ten years. The following table shows the amortization expense for future periods:
(In thousands) |
2026 | $ | 2,340 |
2027 | 1,955 |
2028 | 1,570 |
2029 | 1,297 |
2030 | 1,053 |
Thereafter | 2,043 |
Total | $ | 10,258 |
Customer List Intangible As a result of the Commonwealth Benefits Group and Charis Insurance Group acquisitions, Mid Penn recorded a customer list intangible asset included in total intangible assets related to the insurance and wealth management customers assumed in the acquisitions. This intangible is amortized over ten years using the sum-of-the-years’-digits amortization method. The following table summarizes the changes in the customer list intangible during the years ended December 31:
| For the Year Ended December 31, |  |
(In thousands) | 2025 |  | 2024 |  | 2023 |  |
Customer list intangible balance, beginning of year | $ | 2,799 |  |  | $ | 1,830 |  |  | $ | 2,275 |  |  |
Commonwealth Benefits Group acquisition | — |  |  | 1,481 |  |  | — |  |  |
Charis Insurance acquisition | 2,199 |  |  | — |  |  | — |  |  |
Less: Amortization of customer list intangible | (841) |  |  | (512) |  |  | (445) |  |  |
Customer list intangible, end of year | $ | 4,157 |  |  | $ | 2,799 |  |  | $ | 1,830 |  |  |
The following table shows the amortization expense for future periods:
(In thousands) |
2026 | $ | 909 |
2027 | 793 |
2028 | 677 |
2029 | 561 |
2030 | 445 |
Thereafter | 772 |
Total | $ | 4,157 |
Noncompete Intangible As a result of the Commonwealth Benefits Group and Charis Insurance Group acquisitions, Mid Penn recorded a noncompete intangible asset included in total intangible assets related to the insurance and wealth management customers assumed in the acquisitions. This intangible is amortized over five years using the sum-of-the-years’-digits amortization method. The following table summarizes the changes in the noncompete intangible during the years ended December 31:
| For the Year Ended December 31,
(In thousands) | 2025 |  | 2024 |  | 2023
Noncompete intangible balance, beginning of year | $ | 61 |  |  | $ | — |  |  | $ | — |
Commonwealth Benefits Group acquisition | — |  |  | 67 |  |  | — |
Charis Insurance acquisition | 191 |  |  | — |  |  | — |
Less: Amortization of noncompete intangible | (51) |  |  | (6) |  |  | — |
Noncompete intangible, end of year | $ | 201 |  |  | $ | 61 |  |  | $ | — |
The following table shows the amortization expense for future periods:
(In thousands) |
2026 | $ | 77 |
2027 | 77 |
2028 | 40 |
2029 | 7 |
Total | $ | 201 |
The Corporation performed its annual goodwill impairment assessment as of October 31, 2025, and determined that no impairment existed. No goodwill impairment charges were recorded during the years ended December 31, 2025 or 2024.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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