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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2021
Equity [Abstract] |
Changes in Each Component of Accumulated Other Comprehensive Income (Loss), Net of Tax | The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax for the three month periods ended June 30, 2021 and June 30, 2020.
|  | Unrealized Gains and (Losses) on Available-for- Sale Securities (a) |  |  | Defined Benefit Pension Items (a) |  |  | Total (a) |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities (a) |  |  | Defined Benefit Pension Items (a) |  |  | Total (a) |
Beginning balance |  | $ | 16,332 |  |  | $ | (6,763 | ) |  | $ | 9,569 |  |  | $ | 15,840 |  |  | $ | (5,952 | ) |  | $ | 9,888 |
Other comprehensive income before reclassifications |  |  | 2,059 |  |  |  | — |  |  |  | 2,059 |  |  |  | 3,709 |  |  |  | — |  |  |  | 3,709 |
Amounts reclassified from accumulated other comprehensive income |  |  | 1 |  |  |  | 64 |  |  |  | 65 |  |  |  | — |  |  |  | 57 |  |  |  | 57 |
Net current-period other comprehensive income |  |  | 2,060 |  |  |  | 64 |  |  |  | 2,124 |  |  |  | 3,709 |  |  |  | 57 |  |  |  | 3,766 |
Ending balance |  | $ | 18,392 |  |  | $ | (6,699 | ) |  | $ | 11,693 |  |  | $ | 19,549 |  |  | $ | (5,895 | ) |  | $ | 13,654 |
(a) | Amounts in parentheses indicate debits on the Consolidated Balance Sheets.
The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax for the six month periods ended June 30, 2021 and June 30, 2020.
|  | Unrealized Gains and (Losses) on Available-for- Sale Securities (a) |  |  | Defined Benefit Pension Items (a) |  |  | Total (a) |  |  | Unrealized Gains and (Losses) on Available-for- Sale Securities (a) |  |  | Defined Benefit Pension Items (a) |  |  | Total (a) |
Beginning balance |  | $ | 21,447 |  |  | $ | (6,828 | ) |  | $ | 14,619 |  |  | $ | 12,883 |  |  | $ | (6,009 | ) |  | $ | 6,874 |
Other comprehensive income before reclassifications |  |  | (3,057 | ) |  |  | — |  |  |  | (3,057 | ) |  |  | 6,666 |  |  |  | — |  |  |  | 6,666 |
Amounts reclassified from accumulated other comprehensive income |  |  | 2 |  |  |  | 129 |  |  |  | 131 |  |  |  | — |  |  |  | 114 |  |  |  | 114 |
Net current-period other comprehensive income |  |  | (3,055 | ) |  |  | 129 |  |  |  | (2,926 | ) |  |  | 6,666 |  |  |  | 114 |  |  |  | 6,780 |
Ending balance |  | $ | 18,392 |  |  | $ | (6,699 | ) |  | $ | 11,693 |  |  | $ | 19,549 |  |  | $ | (5,895 | ) |  | $ | 13,654 |
(a)Amounts in parentheses indicate debits on the Consolidated Balance Sheets
Amounts Reclassified Out of Each Component of Accumulated Other Comprehensive Income (Loss) | The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss) for the three month periods ended June 30, 2021 and June 30, 2020.
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) (a) |  |  | Affected Line Item in the Statement Where Net Income is Presented
Unrealized losses on available-for-sale securities |  | $ | (1 | ) |  | $ | — |  |  | Net loss on sale of securities
Tax effect |  |  | — |  |  |  | — |  |  | Income tax expense
|  |  | (1 | ) |  |  | — |  |  |
Amortization of defined benefit pension items |  |  |  |  |  |  |  |  |  |
Actuarial gains/(losses) (b) |  |  | (81 | ) |  |  | (72 | ) |  | Other operating expenses
Tax effect |  |  | 17 |  |  |  | 15 |  |  | Income tax expense
|  |  | (64 | ) |  |  | (57 | ) |  |
Total reclassifications for the period |  | $ | (65 | ) |  | $ | (57 | ) |  |
(a) | Amounts in parentheses indicate expenses/losses and other amounts indicate income/benefit.
(b) | These accumulated other comprehensive income components are included in the computation of net periodic pension cost.
The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss) for the six month periods ended June 30, 2021 and June 30, 2020.
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount Reclassified from Accumulated Other Comprehensive Income (Loss) (a) |  |  | Affected Line Item in the Statement Where Net Income is Presented
Unrealized losses on available-for-sale securities |  | $ | (2 | ) |  | $ | — |  |  | Net gain (loss) on sale of securities
Tax effect |  |  | — |  |  |  | — |  |  | Income tax expense
|  |  | (2 | ) |  |  | — |  |  |
Amortization of defined benefit pension items |  |  |  |  |  |  |  |  |  |
Actuarial gains/(losses) (b) |  |  | (163 | ) |  |  | (145 | ) |  | Other operating expenses
Tax effect |  |  | 34 |  |  |  | 31 |  |  | Income tax expense
|  |  | (129 | ) |  |  | (114 | ) |  |
Total reclassifications for the period |  | $ | (131 | ) |  | $ | (114 | ) |  |
(a) | Amounts in parentheses indicate expenses/losses and other amounts indicate income/benefit.
(b) | These accumulated other comprehensive income components are included in the computation of net periodic pension cost.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: 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=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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