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Pension and Other Postretirement Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Obligations and Funded Status A detail of plan disclosures is provided below.
Obligations and Funded Status
 December 31,
 20212020
 (In thousands)
Changes in projected benefit obligations:  
Projected benefit obligations at beginning of year$23,927 22,689 
Service cost119107 
Interest cost528 674 
Plan amendments— — 
Actuarial (gain) loss(805)2,153 
Benefits paid(1,713)(1,696)
Projected benefit obligations at end of year22,056 23,927 
Changes in plan assets:  
Fair value of plan assets at beginning of year20,833 18,512 
Actual return on plan assets3,265 2,910 
Contributions856 1,107 
Benefits paid(1,713)(1,696)
Fair value of plan assets at end of year23,241 20,833 
Funded status at end of year$1,185 (3,094)
Obligations and Funded Status

 December 31,
 20212020
 (In thousands)
Changes in projected benefit obligations:  
Projected benefit obligations at beginning of year$51,571 29,258 
Service cost1,235 1,209 
Interest cost1,044 1,350 
Actuarial (gain) loss(7,420)21,736 
Benefits paid(1,982)(1,982)
Projected benefit obligations at end of year44,448 51,571 
Change in plan assets:  
Fair value of plan assets at beginning of year— — 
Contributions1,982 1,982 
Benefits paid(1,982)(1,982)
Fair value of plan assets at end of year— — 
Funded status at end of year$(44,448)(51,571)
A December 31 measurement date is used for the plan. A detail of plan disclosures related to the plan is provided below:
Obligations and Funded Status

 December 31,
 20212020
 (In thousands)
Changes in projected benefit obligations:  
Projected benefit obligations at beginning of year$6,469 5,782 
Interest cost148 165 
Actuarial (gain) loss(457)522 
Benefits paid— — 
Projected benefit obligations at end of year6,160 6,469 
Changes in plan assets:  
Fair value of plan assets at beginning of year— — 
Contributions— — 
Benefits paid— — 
Fair value of plan assets at end of year— — 
Funded status at end of year$(6,160)(6,469)
Schedule of Amounts Recognized in Consolidated Financial Statements and in Accumulated Other Comprehensive Income
 December 31,
 20212020
 (In thousands)
Amounts recognized in the Company's Consolidated Financial Statements:  
Assets$1,185 — 
Liabilities— (3,094)
Net amount recognized$1,185 (3,094)
Amounts recognized in accumulated other comprehensive income:
Net (gain) loss$3,642 6,826 
Prior service cost— — 
Net amount recognized$3,642 6,826 
December 31,
 20212020
 (In thousands)
Amounts recognized in the Company's Consolidated Financial Statements:  
Assets$— — 
Liabilities(44,448)(51,571)
Net amount recognized$(44,448)(51,571)
Amounts recognized in accumulated other comprehensive income:  
Net (gain) loss$13,925 26,476 
Prior service cost345 404 
Net amount recognized$14,270 26,880 
 December 31,
 20212020
 (In thousands)
Amounts recognized in the Company's Consolidated Financial Statements:  
Assets$— — 
Liabilities(6,160)(6,469)
Net amount recognized$(6,160)(6,469)
Amounts recognized in accumulated other comprehensive income:  
Net (gain) loss$1,539 2,288 
Prior service cost— — 
Net amount recognized$1,539 2,288 
Schedule of Components of Net Periodic Benefit Cost
Components of Net Periodic Benefit Cost
 Years Ended December 31,
 202120202019
 (In thousands)
Components of net periodic benefit costs:   
Interest cost$528 674 839 
Service cost119 107 96 
Expected return on plan assets(1,425)(1,261)(1,086)
Amortization of net loss (gain)539 580 660 
Net periodic benefit cost(239)100 509 
Other changes in plan assets and benefit obligations recognized in other comprehensive income:   
Net loss (gain)(2,645)503 (872)
Amortization of net loss (gain)(539)(580)(660)
Total recognized in other comprehensive income(3,184)(77)(1,532)
Total recognized in net periodic benefit cost and other comprehensive income$(3,423)23 (1,023)
Components of Net Periodic Benefit Cost
 Years Ended December 31,
 202120202019
 (In thousands)
Components of net periodic benefit cost:   
Service cost$1,235 1,209 502 
Interest cost1,044 1,350 1,025 
Amortization of prior service cost59 59 59 
Amortization of net loss (gain)5,131 5,781 1,391 
Net periodic benefit cost7,469 8,399 2,977 
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Net loss (gain)(7,420)21,736 7,438 
Amortization of prior service cost(59)(59)(59)
Amortization of net loss (gain)(5,131)(5,781)(1,391)
Total recognized in other comprehensive income(12,610)15,896 5,988 
Total recognized in net periodic benefit cost and other comprehensive income$(5,141)24,295 8,965 
Components of Net Periodic Benefit Cost

 Years Ended December 31,
 202120202019
 (In thousands)
Components of net periodic benefit cost:  
Interest cost$148 165 198 
Amortization of prior service cost— — 52 
Amortization of net loss292 158 244 
Net periodic benefit cost440 323 494 
Other changes in plan assets and benefit obligations recognized in other comprehensive income:   
Net loss (gain)(457)522 1,354 
Amortization of prior service cost— — (52)
Amortization of net loss (gain)(292)(158)(244)
Total recognized in other comprehensive income(749)364 1,058 
Total recognized in net periodic benefit cost and other comprehensive income$(309)687 1,552 
Schedule of Assumptions Used
Assumptions

 December 31,
 20212020
Weighted-average assumptions used to determine benefit obligations:  
Discount rate2.75 %2.25 %
Rate of compensation increasen/an/a

 December 31,
 202120202019
Weighted-average assumptions used to determine net periodic benefit cost:   
Discount rate2.25 %3.00 %4.00 %
Expected long-term return on plan assets7.00 %7.00 %7.00 %
Rate of compensation increasen/an/an/a
Assumptions
 December 31,
 20212020
Weighted-average assumptions used to determine benefit obligations:  
Discount rate2.75 %2.25 %
Rate of compensation increase8.00 %8.00 %

 December 31,
 202120202019
Weighted-average assumptions used to determine net periodic benefit costs:   
Discount rate2.25 %3.00 %4.00 %
Expected long-term return on plan assetsn/an/an/a
Rate of compensation increase8.00 %8.00 %8.00 %
Schedule of Allocation of Plan Assets The following tables set forth the Company’s pension plan assets within the fair value hierarchy as of December 31, 2021 and 2020.
 December 31, 2021
 TotalLevel 1Level 2Level 3
 (In thousands)
Cash and cash equivalents$852 852 — — 
Equity securities 
Domestic15,752 15,752 — — 
International163 163 — — 
Debt securities 
Corporate bonds6,474 — 6,474 — 
Other invested assets— — — — 
Total$23,241 16,767 6,474 — 

 December 31, 2020
 TotalLevel 1Level 2Level 3
 (In thousands)
Cash and cash equivalents$1,050 1,050 — — 
Equity securities 
Domestic13,853 13,853 — — 
International170 170 — — 
Debt securities 
Corporate bonds5,759 — 5,759 — 
Other invested assets1 1 — — 
Total$20,833 15,074 5,759 — 
Schedule of Pension Allocation by Type of Fund and Target Allocation
The plan’s weighted-average asset allocations by asset category have been as follows:

 December 31,
 202120202019
Asset Category:   
Equity securities68%67%65%
Debt securities28%28%31%
Cash and cash equivalents4%5%4%
Total100%100%100%
Schedule of Acceptable Ranges for Each Asset as per Investment Policy Statement The investment policy statement sets forth the following acceptable ranges for each asset's class.
 Acceptable Range
Asset Category: 
Equity securities
55-70%
Debt securities
30-40%
Cash and cash equivalents
0-15%
Schedule of Estimated Future Benefit Payments
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):

2022$1,568 
20231,555 
20241,470 
20251,488 
20261,417 
2027-20316,621 
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):

2022$1,982 
20231,982 
20241,982 
20251,982 
20261,982 
2027-203113,084 
Defined Benefit Postretirement Healthcare Plans  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Schedule of Assumptions Used
Assumptions

 December 31,
 20212020
Weighted-average assumptions used to determine benefit obligations:  
Discount rate2.75 %2.25 %
Expected long-term return on plan assetsn/an/a

 December 31,
 202120202019
Weighted-average assumptions used to determine net periodic benefit costs:   
Discount rate2.25 %3.00 %4.00 %
Expected long-term return on plan assetsn/an/an/a
Schedule of Estimated Future Benefit Payments
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):

2022$— 
2023— 
2024— 
2025— 
2026198 
2027-20311,354