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Retirement Benefits
 3 Months Ended
Mar. 31, 2024
Postemployment Benefits [Abstract]  
Retirement Benefits Retirement Benefits
 
The components of net periodic benefit income related to the non-contributory, defined benefit pension plan were as follows:
 Three Months Ended March 31,
(In thousands)20242023
Service cost$107 $124 
Interest cost374 373 
Expected return on plan assets(712)(663)
Amortization of net loss19 98 
Net Periodic Benefit Income$(212)$(68)
 
The Corporation has determined that it will not be contributing to the defined benefit plan in 2024 based on current levels and expected returns on plan assets. Effective April 1, 2012, no inactive or former participant in the plan is eligible to again participate in the plan, and no employee hired after March 31, 2012, is eligible to participate in the plan.