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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 3 Months Ended
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Mar. 31, 2021
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 Sale |  | Defined Benefit and Other Benefit Plans |  | Total
Balance at January 1, 2021 |  | $ | 9,127 |  |  | $ | (6,726) |  |  | $ | 2,401 |
Other comprehensive income before reclassification |  | (10,153) |  |  | — |  |  | (10,153) |
Amounts reclassified from accumulated other comprehensive income |  | — |  |  | — |  |  | — |
Net current period other comprehensive loss |  | (10,153) |  |  | — |  |  | (10,153) |
Balance at March 31, 2021 |  | $ | (1,026) |  |  | $ | (6,726) |  |  | $ | (7,752) |
|  | Unrealized Gains and Losses on Securities Available for Sale |  | Defined Benefit and Other Benefit Plans |  | Total |  |  |  |
Balance at January 1, 2020 |  | $ | 1,368 |  |  | $ | (7,167) |  |  | (5,799) |  |  |  |  |
Other comprehensive income before reclassification |  | 5,696 |  |  | — |  |  | 5,696 |  |  |  |  |
Amounts reclassified from accumulated other comprehensive income |  | — |  |  | 21 |  |  | 21 |  |  |  |  |
Net current period other comprehensive income |  | 5,696 |  |  | 21 |  |  | 5,717 |  |  |  |  |
Balance at March 31, 2020 |  | $ | 7,064 |  |  | $ | (7,146) |  |  | $ | (82) |  |  |  |  |
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) Components |  | Three Months Ended March 31, |  | Affected Line Item in the Statement Where Net Income is Presented
|  | 2021 |  | 2020 |  |
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) |  | 55 |  |  | 77 |  |  | Other components of net periodic pension and postretirement benefits
Tax effect |  | — |  |  | (1) |  |  | Income tax expense
Net of tax |  | — |  |  | 21 |  |  |
Total reclassification for the period, net of tax |  | $ | — |  |  | $ | 21 |  |  |
(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).

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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