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Pension Benefits, Other Postretirement Benefits and Employee Savings and Investment Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Change In Benefit Obligation
The following table summarizes the change in plan assets and changes in benefit obligations:
Pension BenefitsOther Postretirement Benefits
(Dollars in thousands)2021202020212020
Change in plan assets:
Fair value of plan assets as of January 1$35,296 $42,835 $— $— 
Actual return on plan assets(222)3,615 — — 
Employer contributions— — 165 192 
Benefit payments(1,612)(1,647)(165)(192)
Transfer related to plan termination— (9,744)— — 
Pension settlements— 237 — — 
Fair value of plan assets as of December 31$33,462 $35,296 $— $— 
Change in plan benefit obligations:
Fair value of plan benefit obligations as of January 1$30,289 $30,300 $1,503 $1,599 
Service cost— — 41 56 
Interest cost732 908 26 40 
Actuarial (gain) loss(757)491 39 — 
Benefit payments(1,612)(1,647)(165)(192)
Pension settlements— 237 — — 
Fair value of plan benefit obligations as of December 31$28,652 $30,289 $1,444 $1,503 
Amount overfunded (underfunded)$4,810 $5,007 $(1,444)$(1,503)
Schedule of Change in Plan Assets
The following table summarizes the change in plan assets and changes in benefit obligations:
Pension BenefitsOther Postretirement Benefits
(Dollars in thousands)2021202020212020
Change in plan assets:
Fair value of plan assets as of January 1$35,296 $42,835 $— $— 
Actual return on plan assets(222)3,615 — — 
Employer contributions— — 165 192 
Benefit payments(1,612)(1,647)(165)(192)
Transfer related to plan termination— (9,744)— — 
Pension settlements— 237 — — 
Fair value of plan assets as of December 31$33,462 $35,296 $— $— 
Change in plan benefit obligations:
Fair value of plan benefit obligations as of January 1$30,289 $30,300 $1,503 $1,599 
Service cost— — 41 56 
Interest cost732 908 26 40 
Actuarial (gain) loss(757)491 39 — 
Benefit payments(1,612)(1,647)(165)(192)
Pension settlements— 237 — — 
Fair value of plan benefit obligations as of December 31$28,652 $30,289 $1,444 $1,503 
Amount overfunded (underfunded)$4,810 $5,007 $(1,444)$(1,503)
Schedule Of Amounts Recognized In Consolidated Balance Sheet
Our pension-related balances reflected in the consolidated statements of financial position consisted of the following:
Pension BenefitsOther Postretirement Benefits
As of December 31,As of December 31,
(Dollars in thousands)2021202020212020
Assets & Liabilities:
Non-current assets$5,123 $5,278 $— $— 
Current liabilities(3)(14)(136)(148)
Non-current liabilities(310)(257)(1,308)(1,355)
Net assets (liabilities)$4,810 $5,007 $(1,444)$(1,503)
Accumulated Other Comprehensive Loss:
Net actuarial (loss) gain$(11,807)$(11,171)$80 $119 
Prior service benefit— — — 97 
Accumulated other comprehensive (loss) income$(11,807)$(11,171)$80 $216 
Schedule Of Net Periodic Benefit Cost Not Yet Recognized
Our pension-related balances reflected in the consolidated statements of financial position consisted of the following:
Pension BenefitsOther Postretirement Benefits
As of December 31,As of December 31,
(Dollars in thousands)2021202020212020
Assets & Liabilities:
Non-current assets$5,123 $5,278 $— $— 
Current liabilities(3)(14)(136)(148)
Non-current liabilities(310)(257)(1,308)(1,355)
Net assets (liabilities)$4,810 $5,007 $(1,444)$(1,503)
Accumulated Other Comprehensive Loss:
Net actuarial (loss) gain$(11,807)$(11,171)$80 $119 
Prior service benefit— — — 97 
Accumulated other comprehensive (loss) income$(11,807)$(11,171)$80 $216 
Schedule of Components of Net Periodic Benefit Cost
The components of net periodic benefit cost (credit) were as follows:
Pension BenefitsOther Postretirement Benefits
Years Ended December 31,Years Ended December 31,
(Dollars in thousands)202120202019202120202019
Service cost$— $— $— $41 $56 $61 
Interest cost732 908 5,641 26 40 59 
Expected return of plan assets(1,558)(1,574)(6,932)— — — 
Amortization of prior service credit— — — (97)(112)(1,011)
Amortization of net loss (gain)387 427 1,514 — — — 
Settlement charge— (63)53,213 — — — 
Net periodic benefit cost (credit)$(439)$(302)$53,436 $(30)$(16)$(891)
Schedule of Weighted-Average Assumptions Used
Pension BenefitsOther Postretirement Benefits
2021202020212020
Weighted average assumptions used in benefit obligations:
Discount rate2.75 %2.50 %2.25 %1.75 %
Weighted average assumptions used in net periodic benefit costs:
Discount rate2.50 %3.25 %1.75 %2.75 %
Expected long-term rate of return on assets4.53 %4.53 %— %— %
Schedule of Allocation Of Plan Assets
The following table presents the fair value of the pension plan net assets by asset category and level, within the fair value hierarchy, as of December 31, 2021 and 2020:
Fair Value of Plan Assets as of December 31, 2021
(Dollars in thousands)Level 1Level 2Level 3Total
Fixed income bonds$— $28,392 $— $28,392 
Mutual funds3,400 — — 3,400 
Pooled separate accounts— 380 — 380 
Guaranteed deposit account— — 1,290 1,290 
Total plan assets at fair value$3,400 $28,772 $1,290 $33,462 
Fair Value of Plan Assets as of December 31, 2020
(Dollars in thousands)Level 1Level 2Level 3Total
Fixed income bonds$— $29,896 $— $29,896 
Mutual funds3,535 — — 3,535 
Pooled separate accounts— 518 — 518 
Guaranteed deposit account— — 1,347 1,347 
Total plan assets at fair value$3,535 $30,414 $1,347 $35,296 
Schedule of Changes in Fair Value of Level 3 Assets
The following table presents a summary of changes in the fair value of the guaranteed deposit account’s Level 3 assets for the year ended December 31, 2021:
Guaranteed Deposit Account
Balance as of December 31, 2020$1,347 
Change in unrealized gain (loss)(24)
Purchases, sales, issuances and settlements (net)(33)
Balance as of December 31, 2021$1,290 
Schedule of Future Benefit Payments The following table sets forth the expected benefit payments to be paid for the pension plans and the other postretirement benefit plans:
Pension BenefitsOther Postretirement Benefits
2022$1,774 $136 
2023$1,778 $153 
2024$1,779 $145 
2025$1,822 $157 
2026$1,761 $172 
2027-2031$8,401 $677