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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)
9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
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 July 1, 2020, as adjusted$9,273 $(7,131)$2,142 
Other comprehensive income before reclassification(516)— (516)
Amounts reclassified from accumulated other comprehensive income— 16 16 
Net current period other comprehensive income (loss)(516)16 (500)
Balance at September 30, 2020$8,757 $(7,115)$1,642 
 Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at July 1, 2019, as adjusted$787 $(6,738)$(5,951)
Other comprehensive income before reclassification2,662 — 2,662 
Amounts reclassified from accumulated other comprehensive income— 13 13 
Net current period other comprehensive income2,662 13 2,675 
Balance at September 30, 2019$3,449 $(6,725)$(3,276)

 Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at January 1, 2020, as adjusted$1,368 $(7,167)$(5,799)
Other comprehensive income before reclassification7,389 — 7,389 
Amounts reclassified from accumulated other comprehensive income— 52 52 
Net current period other comprehensive income7,389 52 7,441 
Balance at September 30, 2020$8,757 $(7,115)$1,642 

 Unrealized Gains and Losses on Securities Available for SaleDefined Benefit and Other Benefit PlansTotal
Balance at January 1, 2019, as adjusted$(4,646)$(6,765)$(11,411)
Other comprehensive income before reclassification8,109 — 8,109 
Amounts reclassified from accumulated other comprehensive income(14)40 26 
Net current period other comprehensive income8,095 40 8,135 
Balance at September 30, 2019$3,449 $(6,725)$(3,276)
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 
 September 30,
Affected Line Item
in the Statement Where
Net Income is Presented
 20202019 
Unrealized gains and losses on securities available for sale:     
Realized gains on securities available for sale$— $— Net gains on securities transactions
Tax effect— — Income tax expense
Net of tax— —  
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)77 72 Other components of net periodic pension and postretirement benefits
Tax effect(6)(4)Income tax expense
Net of tax16 13  
Total reclassification for the period, net of tax$16 $13  

(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 ComponentsNine Months Ended 
 September 30,
Affected Line Item
in the Statement Where
Net Income is Presented
 20202019 
Unrealized gains and losses on securities available for sale:     
Realized gains on securities available for sale$— $(19)Net gains on securities transactions
Tax effect— Income tax expense
Net of tax— (14) 
Amortization of defined pension plan and other benefit plan items:       
Prior service costs (a)(165)(165)Other components of net periodic pension and postretirement benefits
Actuarial losses (a)231 218 Other components of net periodic pension and postretirement benefits
Tax effect(14)(13)Income tax expense
Net of tax52 40  
Total reclassification for the period, net of tax$52 $26  

(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).