v3.22.4
Employee Benefit Plans - Summary of Components of Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss):      
Tax related expense (benefit) plans included in other comprehensive income $ 6,000 $ 9,000 $ 2,000
Defined benefit pension plans      
Net Periodic Benefit Cost (Credit):      
Service cost 4,010 4,925 4,348
Interest cost 12,081 10,094 15,079
Expected return on plan assets (19,242) (18,531) (19,694)
Amortization of prior service cost (credit) 155 163 303
Recognized actuarial loss (gain) 8,996 11,177 9,584
Settlement loss 19 6,982 0
Curtailment (gain) loss (326) 48 50
Net periodic benefit cost (credit) 5,693 14,858 9,670
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss):      
Net actuarial (gain) loss (23,501) (42,671) 12,624
Prior service cost 1,022 204 269
Amortization of prior service (cost) credit (155) (163) (303)
Total recognized in other comprehensive (income) loss (22,634) (42,630) 12,590
Total recognized in net periodic benefit (credit) cost and other comprehensive income (loss) (16,941) (27,772) 22,260
Postretirement benefit plans      
Net Periodic Benefit Cost (Credit):      
Service cost 2 2 1
Interest cost 89 78 139
Expected return on plan assets 0 0 0
Amortization of prior service cost (credit) (2,038) (2,038) (2,038)
Recognized actuarial loss (gain) (100) (10) (74)
Settlement loss 0 0 0
Curtailment (gain) loss 0 0 0
Net periodic benefit cost (credit) (2,047) (1,968) (1,972)
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss):      
Net actuarial (gain) loss (922) (605) 850
Prior service cost 0 0 0
Amortization of prior service (cost) credit 2,038 2,038 2,038
Total recognized in other comprehensive (income) loss 1,116 1,433 2,888
Total recognized in net periodic benefit (credit) cost and other comprehensive income (loss) $ (931) $ (535) $ 916