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Accumulated Other Comprehensive Income (Loss) (Tables)
 9 Months Ended
Sep. 30, 2022
Equity [Abstract]  
Schedule of Changes in Accumulated Other Comprehensive Loss The following shows the changes in accumulated other comprehensive loss for the three and nine months ended September 30, 2022 and 2021:
Three Months Ended September 30,
20222021
(in thousands)Pension and Other Postretirement BenefitsNet Unrealized Gains (Losses) on Available-for-Sale SecuritiesTotalPension and Other Postretirement BenefitsNet Unrealized Gains (Losses) on Available-for-Sale SecuritiesTotal
Balance, Beginning of Period$(6,621)$(292)$(6,913)$(8,425)$134 $(8,291)
Other Comprehensive Loss Before Reclassifications, net of tax— (172)(172)— (26)(26)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)106 
(1)
1 
(2)
107 146 
(1)
— 
(2)
146 
Total Other Comprehensive Income (Loss)106 (171)(65)146 (26)120 
Balance, End of Period$(6,515)$(463)$(6,978)$(8,279)$108 $(8,171)
Nine Months Ended September 30,
20222021
(in thousands)Pension and Other Postretirement BenefitsNet Unrealized Gains (Losses) on Available-for-Sale SecuritiesTotalPension and Other Postretirement BenefitsNet Unrealized Gains (Losses) on Available-for-Sale SecuritiesTotal
Balance, Beginning of Period$(6,537)$13 $(6,524)$(8,716)$209 $(8,507)
Other Comprehensive Loss Before Reclassifications, net of tax— (477)(477)— (58)(58)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)22 
(1)
1 
(2)
23 437 
(1)
(43)
(2)
394 
Total Other Comprehensive Income (Loss)22 (476)(454)437 (101)336 
Balance, End of Period$(6,515)$(463)$(6,978)$(8,279)$108 $(8,171)
(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7.
(2) Included in other income (expense), net on the accompanying consolidated statements of income.