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COMPREHENSIVE INCOME | 12 Months Ended
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Dec. 31, 2020
COMPREHENSIVE INCOME |
COMPREHENSIVE INCOME | 5. COMPREHENSIVE INCOME Comprehensive income is the total of (1) net income, and (2) all other changes in equity from non-stockholder sources, which are referred to as other comprehensive income (loss). The components of other comprehensive income (loss), and the related tax effects, are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
2020 |  | ​ |  |  | ​ |  |  | ​ |
Unrealized gains on available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding gains on available-for-sale debt securities | ​ | $ | 10,504 | ​ | $ | (2,205) | ​ | $ | 8,299
Reclassification adjustment for (gains) realized in income | ​ | ​ | (169) | ​ | ​ | 35 | ​ | ​ | (134)
Other comprehensive income on available-for-sale debt securities | ​ | ​ | 10,335 | ​ | ​ | (2,170) | ​ | ​ | 8,165
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Changes from plan amendments and actuarial gains and losses included in other comprehensive income | ​ |  | (49) | ​ |  | 11 | ​ |  | (38)
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost | ​ |  | (29) | ​ |  | 6 | ​ |  | (23)
Other comprehensive loss on unfunded retirement obligations | ​ |  | (78) | ​ |  | 17 | ​ |  | (61)
Total other comprehensive income | ​ | $ | 10,257 | ​ | $ | (2,153) | ​ | $ | 8,104
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
2019 |  | ​ |  |  | ​ |  |  | ​ |
Unrealized gains on available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding gains on available-for-sale debt securities | ​ | $ | 9,920 | ​ | $ | (2,084) | ​ | $ | 7,836
Reclassification adjustment for (gains) realized in income | ​ | ​ | (23) | ​ | ​ | 5 | ​ | ​ | (18)
Other comprehensive income on available-for-sale debt securities | ​ | $ | 9,897 | ​ | $ | (2,079) | ​ | $ | 7,818
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Changes from plan amendments and actuarial gains and losses included in other comprehensive income | ​ |  | 87 | ​ |  | (19) | ​ |  | 68
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost | ​ |  | (32) | ​ |  | 7 | ​ |  | (25)
Other comprehensive income on unfunded retirement obligations | ​ |  | 55 | ​ |  | (12) | ​ |  | 43
Total other comprehensive income | ​ | $ | 9,952 | ​ | $ | (2,091) | ​ | $ | 7,861
​ Items reclassified out of each component of accumulated other comprehensive income (loss) are as follows: ​
​ | ​ | ​
​ | ​ | Affected Line Item in the
Description |  | Consolidated Statements of Income
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost (before-tax) |  | Other noninterest expense
Reclassification adjustment for (gains) realized in income (before-tax) | ​ | Realized gains on available-for-sale debt securities, net
Income tax effect | ​ | Income tax provision
​ Changes in the components of accumulated other comprehensive income (loss), included in stockholders’ equity, are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Unrealized |  | Accumulated |  |  | ​
​ | ​ | Gains | ​ | Unfunded | ​ | Other
​ |  | (Losses) |  | Retirement |  | Comprehensive
​ |  | on Securities |  | Obligations |  | Income (Loss)
2020 |  | ​ |  |  | ​ |  |  | ​ |
Balance, beginning of period | ​ | $ | 3,511 | ​ | $ | 180 | ​ | $ | 3,691
Other comprehensive income (loss) during year ended December 31, 2020 | ​ |  | 8,165 | ​ |  | (61) | ​ |  | 8,104
Balance, end of period | ​ | $ | 11,676 | ​ | $ | 119 | ​ | $ | 11,795
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2019 | ​ |  |  | ​ |  |  | ​ |  |
Balance, beginning of period | ​ | $ | (4,307) | ​ | $ | 137 | ​ | $ | (4,170)
Other comprehensive income during year ended December 31, 2019 | ​ |  | 7,818 | ​ |  | 43 | ​ |  | 7,861
Balance, end of period | ​ | $ | 3,511 | ​ | $ | 180 | ​ | $ | 3,691
​ ​

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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