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Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2021
Stockholders' Equity Note [Abstract] |
Schedule of tax effect allocated to each component of other comprehensive income (loss) | The tax effect allocated to each component of other comprehensive income (loss) were as follows:
December 31, 2021 | Before-Tax Amount | Tax (Expense) Benefit | Net of Tax
(In thousands) |  |  |
Available-for-sale debt securities: |  |  |
Change in net unrealized (loss) gain during the period | $ | (46,301) |  | $ | 11,340 |  | $ | (34,961) |
Reclassification adjustment for net realized gain on sale included in available-for-sale debt securities | (275) |  | 67 |  | (208) |
Net unrealized losses | (46,576) |  | 11,407 |  | (35,169) |
Employee benefit plans: |  |  |
Net retirement plan gain ( loss) | 11,785 |  | (2,887) |  | 8,898 |
Amortization of net retirement plan actuarial gain | 2,951 |  | (723) |  | 2,228 |
Amortization of net retirement plan prior service (cost) credit | 221 |  | (54) |  | 167 |
Employee benefit plans | 14,957 |  | (3,664) |  | 11,293 |
Other comprehensive loss | $ | (31,619) |  | $ | 7,743 |  | $ | (23,876) |
December 31, 2020 | Before-Tax Amount | Tax (Expense) Benefit | Net of Tax
(In thousands) |  |  |
Available-for-sale debt securities: |  |  |
Change in net unrealized gain during the period | $ | 22,381 |  | $ | (5,487) |  | $ | 16,894 |
Reclassification adjustment for net realized loss on sale included in available-for-sale debt securities | (430) |  | 106 |  | (324) |
Net unrealized gains | 21,951 |  | (5,381) |  | 16,570 |
Employee benefit plans: |  |  |
Net retirement plan loss | (9,309) |  | 2,281 |  | (7,028) |
Amortization of net retirement plan actuarial gain | 2,366 |  | (580) |  | 1,786 |
Amortization of net retirement plan prior service (cost) credit | 214 |  | (52) |  | 162 |
Employee benefit plans | (6,729) |  | 1,649 |  | (5,080) |
Other comprehensive income | $ | 15,222 |  | $ | (3,732) |  | $ | 11,490 |
December 31, 2019 | Before-Tax Amount | Tax (Expense) Benefit | Net of Tax
(In thousands) |  |  |
Available-for-sale debt securities: |  |  |
Change in net unrealized loss during the period | $ | 33,431 |  | $ | (8,190) |  | $ | 25,241 |
Unrealized gains on HTM securities transferred to AFS debt securities | 3,777 |  | (925) |  | 2,852 |
Reclassification adjustment for net realized loss on sale included in available-for-sale debt securities | (616) |  | 151 |  | (465) |
Net unrealized gains | 36,592 |  | (8,964) |  | 27,628 |
Employee benefit plans: |  |  |
Net retirement plan loss | (10,122) |  | 2,480 |  | (7,642) |
Net actuarial gain due to curtailment | (399) |  | 97 |  | (302) |
Net retirement plan prior service credit | (1,819) |  | 446 |  | (1,373) |
Amortization of net retirement plan actuarial gain | 1,677 |  | (411) |  | 1,266 |
Amortization of net retirement plan prior service (cost) credit | 32 |  | (8) |  | 24 |
Employee benefit plans | (10,631) |  | 2,604 |  | $ | (8,027) |
Other comprehensive income | $ | 25,961 |  | $ | (6,360) |  | $ | 19,601 |
Schedule of accumulated other comprehensive income (loss) | The following table presents the activity in our accumulated other comprehensive loss for the periods indicated:
(In thousands) | Available-for-Sale Debt Securities | Employee Benefit Plans | Accumulated Other Comprehensive Income (loss)
Balance at January 1, 2019 | $ | (23,589) |  | $ | (39,576) |  | $ | (63,165) |
Other comprehensive income (loss) | 27,628 |  | (8,027) |  | 19,601 |
Balance at December 31, 2019 | $ | 4,039 |  | $ | (47,603) |  | $ | (43,564) |
Balance at January 1, 2020 | 4,039 |  | (47,603) |  | (43,564) |
Other comprehensive income (loss) | 16,570 |  | (5,080) |  | 11,490 |
Balance at December 31, 2020 | $ | 20,609 |  | $ | (52,683) |  | $ | (32,074) |
Balance at January 1, 2021 | 20,609 |  | (52,683) |  | (32,074) |
Other comprehensive income (loss) | (35,169) |  | 11,293 |  | (23,876) |
Balance at December 31, 2021 | $ | (14,560) |  | $ | (41,390) |  | $ | (55,950) |
December 31, 2021 |  |
Details about Accumulated other Comprehensive Income Components (in thousands) | Amount Reclassified from Accumulated Other Comprehensive (Loss)1 | Affected Line Item in the Statement Where Net Income is Presented
Available-for-sale debt securities: |  |
Unrealized gains and losses on available-for-sale debt securities | $ | 275 |  | Net gain on securities transactions
| (67) |  | Tax expense
| 208 |  | Net of tax
Employee benefit plans: |  |
Amortization of the following 2 |  |
Net retirement plan actuarial gain | (2,951) |  | Other operating expense
Net retirement plan prior service credit | (221) |  | Other operating expense
| (3,172) |  | Total before tax
| 777 |  | Tax benefit
| $ | (2,395) |  | Net of tax
December 31, 2020 |  |
Details about Accumulated other Comprehensive Income Components (in thousands) | Amount Reclassified from Accumulated Other Comprehensive (Loss)1 | Affected Line Item in the Statement Where Net Income is Presented
Available-for-sale debt securities: |  |
Unrealized gains and losses on available-for-sale debt securities | $ | 430 |  | Net gain on securities transactions
| (106) |  | Tax benefit
| 324 |  | Net of tax
Employee benefit plans: |  |
Amortization of the following 2 |  |
Net retirement plan actuarial gain | (2,366) |  | Other operating expense
Net retirement plan prior service credit | (214) |  | Other operating expense
| (2,580) |  | Total before tax
| 632 |  | Tax benefit
| $ | (1,948) |  | Net of tax
1 Amounts in parentheses indicate debits in income statement. 2 The accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost (See Note 11 - “Employee Benefit Plans”).

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