v3.25.2
Components of Net Periodic Benefit Cost - Schedule of Net Benefit Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Pension Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 1,017 $ 1,212 $ 2,034 $ 2,424
Interest cost 3,294 3,100 6,587 6,200
Expected return on plan assets (8,607) (8,119) (17,214) (16,239)
Prior service cost 0 0 0 0
Net loss 0 512 0 1,024
Net periodic (income) benefit cost (4,296) (3,295) (8,593) (6,591)
RIM Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 52 61 104 122
Interest cost 169 162 338 324
Expected return on plan assets 0 0 0 0
Prior service cost 0 0 0 0
Net loss 0 28 0 56
Net periodic (income) benefit cost 221 251 442 502
Post-retirement Plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 51 54 102 108
Interest cost 287 248 574 496
Expected return on plan assets 0 0 0 0
Prior service cost 0 0 0 0
Net loss 0 0 0 0
Net periodic (income) benefit cost 338 302 676 604
Split-Dollar Life Insurance        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 57 57 114 114
Interest cost 216 208 432 416
Expected return on plan assets 0 0 0 0
Prior service cost 13 14 26 28
Net loss (22) 0 (44) 0
Net periodic (income) benefit cost $ 264 $ 279 $ 528 $ 558