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Postretirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2025

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Net Funded Status

The following tables present a reconciliation of the changes in the plan’s health and life insurance benefit obligations and fair value of plan assets for the years ended December 31, 2025 and 2024, and a statement of the funded status as of December 31, 2025 and 2024.

(In thousands)			December 31,
Change in benefit obligations:			2025						2024
Benefit obligations, January 1			$	226					$	271
Service cost			1						1
Interest cost			11						11
Change in experience			1						(28)
Change in assumptions			5						(7)
Benefit payments			(20)						(22)
Benefit obligations, December 31			$	224					$	226
Change in fair value of plan assets:
Fair value of plan assets, January 1			$	—					$	—
Employer contributions			20						22
Benefit payments			(20)						(22)
Fair value of plan assets, December 31			—						—
Funded status at year end			$	(224)					$	(226)

The following tables provide a reconciliation of the changes in the Director's Plan benefit obligations and fair value of plan assets for the years ended December 31, 2025 and 2024, and a statement of the status as of December 31, 2025 and 2024. This Plan was unfunded.

(In thousands)			December 31,
Change in benefit obligations:			2025						2024
Benefit obligations, January 1			$	—					$	1,306
Service cost			—						—
Interest cost			—						—
Actuarial loss			—						—
Change in assumptions			—						—
Benefit payments			—						(1,306)
Benefit obligations, December 31			$	—					$	—
Change in fair value of plan assets:
Fair value of plan assets, January 1			$	—					$	—
Employer contributions			—						1,306
Benefit payments			—						(1,306)
Fair value of plan assets,			—						—
Funded status at year end			$	—					$	—

The following tables provide a reconciliation of the changes in the Scottdale Plan’s benefit obligations and fair value of plan assets for the year ended December 31, 2025 and 2024, and a statement of the status as of December 31, 2025 and 2024:

(In thousands)			December 31,
Change in benefit obligations:			2025						2024
Benefit obligations, January 1			$	2,547					$	2,659
Service cost			15						25
Interest cost			136						130
Settlement loss			4						—
Actuarial gain			(35)						(97)
Settlement payments			(493)						—
Benefit payments			(87)						(170)
Benefit obligations, December 31			$	2,087					$	2,547
Change in fair value of plan assets:
Fair value of plan assets, January 1			$	3,597					$	3,468
Return on plan assets			415						328
Employer contributions			—						—
Benefit payments			(87)						(170)
Administrative expenses			(29)						(29)
Settlement payments			(493)						—
Fair value of plan assets, December 31			3,403						3,597
Funded status at year end			$	1,316					$	1,050

The following tables provide a reconciliation of the changes in the Riverview Plans' benefit obligations and fair value of plan assets for year ended December 31, 2025, and a statement of the status as of December 31:

(In thousands)
Change in benefit obligations:			2025						2024
Benefit obligations, January 1			$	5,740					$	6,442
Interest cost			302						299
Actuarial loss			(8)						(483)
Benefit payments			(508)						(518)
Benefit obligations, December 31			$	5,526					$	5,740
Change in fair value of plan assets:
Fair value of plan assets, January 1,			$	6,711					$	6,895
Return on plan assets			697						329
Contributions			—						3
Benefit payments			(505)						(516)
Fair value of plan assets, December 31			6,903						6,711
Funded status at year end			$	1,377					$	971

Schedule of Amounts Recognized in Balance Sheet

The amount recognized in other liabilities on the Consolidated Balance Sheets as of December 31, is as follows:

(In thousands)			2025						2024
Accrued benefit liability			$	224					$	226

Amounts recognized in other liabilities on the Consolidated Balance Sheet as of December 31 are as follows:

(In thousands)			2025						2024
Accrued benefit liability			$	—					$	—

Amounts recognized on the Consolidated Balance Sheets as of December 31 are as follows:

(In thousands)			2025						2024
Accrued pension benefit asset			$	1,316					$	1,050

Amounts recognized in other liabilities on the Consolidated Balance Sheets as of December 31 are as follows:

(In thousands)			2025						2024
Accrued pension benefit asset			$	1,377					$	971

Schedule of Amounts Recognized in Other Comprehensive (Loss) Income

The amounts recognized in accumulated other comprehensive income as of December 31 consist of:

(In thousands)			2025						2024
Net gain, pretax			$	(51)					$	(65)
Net prior service cost, pretax			—						—

Amounts recognized in accumulated other comprehensive loss (income) as of December 31 consist of:

(In thousands)			2025						2024
Net prior service cost, pretax			$	—					$	—
Net loss, pretax			—						—

Amounts recognized in accumulated other comprehensive loss consist of the following as of December 31:

(In thousands)			2025						2024
Unrecognized actuarial gain			$	813					$	798

As of December 31, 2025 amounts related to the Riverview Plans that have been recognized in accumulated other comprehensive loss but not yet recognized as a component of net periodic pension cost are as follows:

(In thousands)			2025						2024
Unrecognized actuarial gain			$	153					$	415

Schedule of Net Periodic Benefit Costs

The components of net periodic postretirement benefit cost for 2025, 2024 and 2023 are as follows:

(In thousands)			2025						2024						2023
Service cost			$	1					$	1					$	1
Interest cost			11						11						13
Amortization of prior service cost			—						—						10
Amortization of net gain			(8)						(7)						(2)
Net periodic postretirement benefit cost			$	4					$	5					$	22

The components of net periodic retirement cost for 2025, 2024 and 2023 are as follows:

(In thousands)			2025						2024						2023
Service cost			$	—					$	—					$	56
Interest cost			—						—						61
Amortization of net loss			—						—						34
Net periodic retirement cost			$	—					$	—					$	151

The components of net periodic retirement cost for December 31 are as follows:

(In thousands)			2025						2024						2023
Service cost			$	15					$	25					$	58
Interest cost			136						130						197
Expected return on plan assets			(159)						(153)						(211)
Recognized net actuarial gain			(52)						(25)						(63)
Net periodic retirement income			$	(60)					$	(23)					$	(19)

The components of net periodic pension and postretirement benefit cost for the year ended December 31, 2025 and 2024 are as follows:

(In thousands)			2025						2024						2023
Interest cost			$	302					$	299					$	309
Expected return on plan assets			(387)						(397)						(387)
Amortization of net loss			10						12						—
Net periodic pension benefit			$	(75)					$	(86)					$	(78)

(In thousands)			2025						2024						2023
Service credit			$	—					$	—					$	—
Interest cost			1						1						1
Unrecognized gain			(1)						(1)						(1)
Net periodic postretirement benefit			$	—					$	—					$	—

Schedule of Assumptions Used

Weighted-average assumptions used in the measurement of Mid Penn's benefit obligations as of December 31 are as follows:

Weighted-average assumptions:			2025						2024
Discount rate			5.07		%				5.32		%
Rate of compensation increase			—						—

Weighted-average assumptions used in the measurement of Mid Penn’s net periodic benefit cost for the years ended December 31 are as follows:

Weighted-average assumptions:			2025						2024						2023
Discount rate			5.32		%				4.67		%				4.90		%
Rate of compensation increase			—						—						—

Weighted-average assumptions used in the measurement of Mid Penn’s benefit obligations as of December 31 are as follows:

Weighted-average assumptions:			2025						2024
Discount rate			—		%				—		%
Change in consumer price index			—						—

Weighted-average assumptions used in the measurement of Mid Penn’s net periodic benefit cost for the years ended December 31 are as follows:

Weighted-average assumptions:			2025						2024						2023
Discount rate			—		%				—		%				4.80		%
Change in consumer price index			—						—						3.40

Weighted-average assumptions used in the measurement of Mid Penn’s benefit obligations and net periodic pension costs as of December 31 are as follows:

Weighted-average assumptions:			2025						2024						2023
Discount rate			5.50		%				5.50		%				5.00		%
Expected long-term return on plan assets			4.50						4.50						4.50
Rate of compensation increases			2.50						2.50						2.50

Weighted-average assumptions used in the measurement of Mid Penn’s benefit obligations and net periodic pension costs as of December 31, 2025 and 2024 are as follows:

			Pension Benefits												Postretirement Life Insurance Benefits
2025			Union						Citizens						CBT
Discount rate			5.54		%				5.54		%				4.99		%
Expected long-term return on plan assets			6.00						6.00						n/a
2024
Discount rate			4.83		%				4.83		%				5.32		%
Expected long-term return on plan assets			6.00						6.00						n/a

Schedule of Health Care Cost Trend Rates

Assumed health care cost trend rates as of December 31 are as follows:

			2025						2024						2023
Health care cost trend rate assumed for next year			8.00		%				7.00		%				7.00		%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)			5.50		%				5.50		%				5.50		%
Year that the rate reaches the ultimate trend rate			2029						2028						2027

Schedule of Expected Benefit Payments

The following table shows the estimated benefit payments for future periods:

(In thousands)
2026			$	28
2027			28
2028			27
2029			18
2030			14
2031-2035			67

The following table shows the estimated benefit payments for future periods:

(In thousands)
2026			$	108
2027			124
2028			155
2029			154
2030			178
2031-2035			840

The following table shows the estimated benefit payments for future periods:

(In thousands)			Pension Benefits						Postretirement Life Insurance Benefits
2026			$	511					$	4
2027			498						3
2028			499						3
2029			490						3
2030			478						3
2031-2035			2,154						9

Schedule of Plan Assets at Fair Value

The following table presents a summary of the Scottdale Plan’s assets at fair value and the weighted-average asset allocations by investment category as of December 31:

			Estimated Fair Value						Percentage of Total Assets						Estimated Fair Value						Percentage of Total Assets
(Dollars in thousands)			2025												2024
Cash and cash equivalents			$	365					10.7		%				$	263					7.3		%
Common stock			1,894						55.7						2,081						57.9
Corporate bonds			1,144						33.6						1,253						34.8
			$	3,403					100.0		%				$	3,597					100.0		%

Schedule of Plan's Weighted Average Asset Allocation by Investment Category

The following table presents a summary of the Riverview Plan’s assets at fair value and the weighted-average asset allocations by investment category as of December 31:

(Dollars in thousands)			Estimated Fair Value						Percentage of Total Assets						Estimated Fair Value						Percentage of Total Assets
Weighted-average asset allocations:			2025												2024
Cash and cash equivalents			$	60					0.9		%				$	60					0.9		%
Mutual fund - equity			2,618						37.9						2,619						39.0
Mutual fund / EFTs - fixed income			3,926						56.9						3,716						55.4
Common / collective trusts equity			299						4.3						316						4.7
			$	6,903					100		%				$	6,711					100		%

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