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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
6 Months Ended
Jun. 30, 2021
Equity [Abstract]  
Schedule of Components of Accumulated Other Comprehensive Loss
The following is a summary of the changes in accumulated other comprehensive income (loss) by component, net of tax, for the periods indicated (in thousands):
 Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at April 1, 2021$(1,026)$(6,726)$(7,752)
Other comprehensive income before reclassification3,893 — 3,893 
Amounts reclassified from accumulated other comprehensive income— 
Net current period other comprehensive income3,893 3,894 
Balance at June 30, 2021$2,867 $(6,725)$(3,858)
 Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at April 1, 2020$7,064 $(7,146)(82)
Other comprehensive income before reclassification2,209 — 2,209 
Amounts reclassified from accumulated other comprehensive income— 15 15 
Net current period other comprehensive income2,209 15 2,224 
Balance at June 30, 2020$9,273 $(7,131)$2,142 
Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at January 1, 2021$9,127 $(6,726)$2,401 
Other comprehensive income before reclassification(6,260)— (6,260)
Amounts reclassified from accumulated other comprehensive income— 
Net current period other comprehensive income(6,260)(6,259)
Balance at June 30, 2021$2,867 $(6,725)$(3,858)

Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at January 1, 2020$1,368 $(7,167)(5,799)
Other comprehensive income before reclassification7,905 — 7,905 
Amounts reclassified from accumulated other comprehensive income— 36 36 
Net current period other comprehensive income7,905 36 7,941 
Balance at June 30, 2020$9,273 $(7,131)$2,142 
Schedule of Reclassification Out of Accumulated Other Comprehensive Income
The following is the reclassification out of accumulated other comprehensive income for the periods indicated (in thousands):
Details about Accumulated Other Comprehensive Income (Loss) ComponentsThree Months Ended 
 June 30,
Affected Line Item
in the Statement Where
Net Income is Presented
 20212020 
Amortization of defined pension plan and other benefit plan items:       
Prior service costs (a)$(55)$(55)Other components of net periodic pension and postretirement benefits
Actuarial losses (a)57 77 Other components of net periodic pension and postretirement benefits
Tax effect(1)(7)Income tax expense
Net of tax15  
Total reclassification for the period, net of tax$$15  

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 11 for additional information).
Details about Accumulated Other Comprehensive Income (Loss) ComponentsSix Months Ended June 30,Affected Line Item
in the Statement Where
Net Income is Presented
 20212020 
Amortization of defined pension plan and other benefit plan items:       
Prior service costs (a)$(110)$(110)Other components of net periodic pension and postretirement benefits
Actuarial losses (a)112 154 Other components of net periodic pension and postretirement benefits
Tax effect(1)(8)Income tax expense
Net of tax36  
Total reclassification for the period, net of tax$$36  
(a) These accumulated other comprehensive income components are included in the computation of net periodic pension and other benefit plan costs (see Note 11 for additional information).