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INCOME TAXES | 12 Months Ended
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Dec. 31, 2022
INCOME TAXES |
INCOME TAXES | NOTE I: INCOME TAXES The provision for income taxes for the years ended December 31 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(000’s omitted) |  | 2022 |  | 2021 |  | 2020
Current: |  | ​ |  |  | ​ |  |  | ​ |
Federal | ​ | $ | 41,025 | ​ | $ | 35,507 | ​ | $ | 35,728
State and other | ​ |  | 9,899 | ​ |  | 8,158 | ​ |  | 8,008
Deferred: | ​ |  | ​ | ​ |  |  | ​ |  |
Federal | ​ |  | 1,163 | ​ |  | 5,493 | ​ |  | (2,005)
State and other | ​ |  | 146 | ​ |  | 2,496 | ​ |  | (331)
Provision for income taxes | ​ | $ | 52,233 | ​ | $ | 51,654 | ​ | $ | 41,400
​ Components of the net deferred tax asset, included in other assets, as of December 31, 2022 and of the net deferred tax liability, included in other liabilities, as of December 31, 2021 are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(000’s omitted) |  | 2022 |  | 2021
Investment securities | ​ | $ | 191,953 | ​ | $ | 0
Allowance for credit losses | ​ | ​ | 15,346 | ​ | ​ | 12,435
Employee benefits | ​ |  | 5,775 | ​ |  | 7,708
Operating lease liabilities | ​ |  | 7,552 | ​ |  | 7,955
Other, net | ​ |  | 4,385 | ​ |  | 1,250
Deferred tax asset | ​ |  | 225,011 | ​ |  | 29,348
​ | ​ | ​ | ​ | ​ | ​ | ​
Investment securities | ​ |  | 0 | ​ |  | 7,227
Goodwill and intangibles | ​ |  | 39,454 | ​ |  | 41,917
Operating lease right-of-use assets | ​ |  | 7,303 | ​ |  | 7,693
Loan origination costs | ​ |  | 9,731 | ​ |  | 8,993
Depreciation | ​ |  | 96 | ​ |  | 535
Mortgage servicing rights | ​ |  | 640 | ​ |  | 278
Pension | ​ |  | 18,154 | ​ |  | 22,950
Deferred tax liability | ​ |  | 75,378 | ​ |  | 89,593
Net deferred tax asset (liability) | ​ | $ | 149,633 | ​ | $ | (60,245)
​ The Company has determined that no valuation allowance is necessary as it is more likely than not that the gross deferred tax assets will be realized through future reversals of existing temporary differences and through future taxable income. A reconciliation of the differences between the federal statutory income tax rate and the effective tax rate for the years ended December 31 is shown in the following table: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020 |
Federal statutory income tax rate |  | 21.0 | % | 21.0 | % | 21.0 | %
Increase (reduction) in taxes resulting from: |  | ​ |  |  |  |  | ​
Tax-exempt interest |  | (1.3) |  | (1.1) |  | (1.5) | ​
State income taxes, net of federal benefit |  | 3.3 |  | 3.6 |  | 3.0 | ​
Stock-based compensation |  | (0.3) |  | (0.9) |  | (0.8) | ​
Federal tax credits |  | (1.0) |  | (1.0) |  | (1.3) | ​
Other, net |  | 0.0 |  | (0.2) |  | (0.3) | ​
Effective income tax rate |  | 21.7 | % | 21.4 | % | 20.1 | %
​ As of December 31, 2022, 2021 and 2020, there was no amount of material unrecognized tax benefits that would impact the Company’s effective tax rate if recognized. It is reasonably possible that the amount of unrecognized tax benefits could change in the next twelve months as a result of various examinations and expiration of statutes of limitations on prior tax returns. The Company’s policy is to recognize interest and penalties related to unrecognized tax benefits as part of income taxes in the consolidated statements of income. The accrued interest related to tax positions was immaterial. The Company’s federal and state income tax returns are routinely subject to examination from various governmental taxing authorities. Such examinations may result in challenges to the tax return treatment applied by the Company to specific transactions. Management believes that the assumptions and judgment used to record tax-related assets or liabilities have been appropriate. Future examinations by taxing authorities of the Company’s federal or state tax returns could have a material impact on the Company’s results of operations. The Company’s federal income tax returns for years after 2018 may still be examined by the Internal Revenue Service. New York State income tax returns for years after 2017 may still be examined by the New York Department of Taxation and Finance. The Company is currently under examination by the New York Department of Taxation and Finance in connection with tax years 2015 to 2017, and has not received notice of proposed adjustments. It is not possible to estimate if and when those examinations may be completed.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI https://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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