| Cover Page | 12 Months Ended |
| Dec. 31, 2024 | |
| Document Information [Line Items] | |
| Document Type | S-4/A |
| Amendment Flag | false |
| Entity Registrant Name | CNB FINANCIAL CORP/PA |
| Entity Central Index Key | 0000736772 |
| Entity Tax Identification Number | 25-1450605 |
| Entity Filer Category | Accelerated Filer |
| Entity Small Business | false |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | PA |
| Entity Primary SIC Number | 6021 |
| Entity Address, Address Line One | 1 South Second Street |
| Entity Address, Address Line Two | PO Box 42 |
| Entity Address, City or Town | Clearfield |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 16830 |
| City Area Code | 814 |
| Local Phone Number | 765-9621 |
| Document Financial Statement Error Correction [Flag] | true |
| Document Financial Statement Restatement Recovery Analysis [Flag] | true |
| Business Contact [Member] | |
| Document Information [Line Items] | |
| Contact Personnel Name | Michael D. Peduzzi |
| Entity Address, Address Line One | 1 South Second Street |
| Entity Address, Address Line Two | PO Box 42 |
| Entity Address, City or Town | Clearfield |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 16830 |
| City Area Code | 814 |
| Local Phone Number | 765-9621 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | ||||
| Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | |
| Pay vs Performance Disclosure | |||||
| Pay vs Performance Disclosure, Table | Pay Versus Performance Year Summary (1) ($) Summary (2) ($) Comp. (1) ($) Comp. (2) ($) Average for Non-CEO (3) ($) Average Non-CEO (3) ($) Value of Initial Net (5) ($) Fully- ($) TSR Peer (4) 2024 1,199,951 — 1,269,814 — 716,089 711,341 89 118 54,575 2.39 2023 1,175,410 — 1,262,008 — 599,987 614,400 78 103 58,020 2.55 2022 1,110,489 2,432,571 1,117,076 1,612,982 628,263 625,017 79 100 63,188 3.26 2021 — 3,028,549 — 1,734,559 557,132 570,275 86 106 57,707 3.16 2020 — 1,608,420 — 1,107,862 470,922 402,368 67 77 32,743 1.97 (1) Mr. Peduzzi was appointed President and Chief Executive Officer, effective December 31, 2022. (2) Mr. Bower retired from his position as President and Chief Executive Officer, effective December 31, 2022. (3) For fiscal year 2024, CNB’s non-CEO Wilcoxson non-CEO non-CEO (4) The TSR peer group utilized is the same peer group disclosed in the section above titled “CNB Compensation Discussion and Analysis—Competitive Benchmarking” beginning on page 74. The peer group used for 2024 of Value of Initial Fixed Year TSR 2022 Peer 2024 89 114 2023 78 102 2022 79 100 2021 86 106 2020 67 77 (5) Presented in thousands (6) Compensation actually paid (“CAP”) is defined by the SEC and is computed by starting with the “Total” column of the Summary Compensation Table (“SCT”) for each year and then: • subtracting the amount in the “Restricted Stock Awards” column of the SCT for such year, • adding, for all unvested equity awards granted during the reporting year and outstanding on the last day of the reporting year, the fair value as of the last day of the reporting year, utilizing the same assumptions as the Outstanding Equity Awards at 2024 Fiscal Year-End • adding, for all unvested equity awards granted prior to the reporting year and outstanding on the last day of the reporting year, the change in fair value from the last day of the preceding year to the last day of the reporting year, utilizing the same assumptions as the Outstanding Equity Awards at 2024 Fiscal Year-End • adding, for equity awards vesting during the reporting year, the change in fair value from the last day of the preceding year to the vesting date, • adding the value of any dividends or other earnings paid in the reporting year on unvested equity awards that are not otherwise included in the total compensation for the reporting year, • subtracting the amount in the “Change in Pension Value & Nonqualified Deferred Compensation Earnings” column of the SCT for such year, and • adding, for all defined benefit and actuarial pension plans, (i) the service cost, calculated as the actuarial present value attributable to services rendered during the reporting year, plus (ii) the prior service cost, calculated as the entire cost of benefits granted in a plan amendment during the reporting year that are attributed by the benefit formula to services rendered in periods prior to the amendment. The fair value of equity awards is computed in a manner consistent with the fair value methodology used to report Outstanding Equity Awards at Fiscal Year-End. year-end CEO SCT Total to CAP Reconciliation – Michael D. Peduzzi 2024 2023 2022 SCT Total Compensation $ 1,199,951 $ 1,175,410 $ 1,110,489 SCT Restricted Stock Awards (299,977 ) (199,991 ) (50,001 ) Fair Value of New Unvested Equity Awards 373,994 316,373 55,669 Change in Fair Value of Existing Unvested Equity Awards (35,545 ) (4,528 ) (6,306 ) Change in Fair Value of Vesting Equity Awards (1,701 ) (3,144 ) (105 ) Dividends on Unvested Equity Awards 9,116 3,823 2,488 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (182,556 ) (240,157 ) (278,205 ) Service Cost & Prior Service Cost 206,532 214,222 283,047 CAP $ 1,269,814 $ 1,262,008 $ 1,117,076 CEO SCT Total to CAP Reconciliation – Joseph B. Bower, Jr. 2022 2021 2020 SCT Total Compensation $ 2,432,571 $ 3,028,549 $ 1,608,420 SCT Restricted Stock Awards (261,010 ) (272,400 ) (347,079 ) Fair Value of New Unvested Equity Awards — 286,041 192,291 Change in Fair Value of Existing Unvested Equity Awards — 76,316 (156,339 ) Change in Fair Value of Vesting Equity Awards 3,631 19,005 45,515 Fair Value of New Vested Equity Awards 232,476 — — Fair Value as of Prior Year-end (258,031 ) — — Dividends on Unvested Equity Awards 10,706 6,933 4,842 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (902,701 ) (1,760,834 ) (467,045 ) Service Cost & Prior Service Cost 355,340 350,949 227,257 CAP $ 1,612,982 $ 1,734,559 $ 1,107,862 Average Non-CEO 2024 2023 2022 2021 2020 SCT Total Compensation $ 716,089 $ 599,987 $ 628,263 $ 557,132 $ 470,922 SCT Restricted Stock Awards (87,471 ) (99,953 ) (76,257 ) (66,438 ) (73,438 ) Fair Value of New Unvested Equity Awards 101,851 117,016 84,907 69,940 42,335 Change in Fair Value of Existing Unvested Equity Awards (9,326 ) (4,721 ) (11,407 ) 15,104 (31,109 ) Change in Fair Value of Vesting Equity Awards (5,300 ) (7,198 ) 2,085 (969 ) (3,771 ) Dividends on Unvested Equity Awards 2,560 2,399 1,971 2,000 1,766 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (221,470 ) (56,571 ) (19,987 ) (23,198 ) (17,301 ) Service Cost & Prior Service Cost 214,408 63,441 15,442 16,704 12,964 CAP $ 711,341 $ 614,400 $ 625,017 $ 570,275 $ 402,368 | ||||
| Company Selected Measure Name | Fully- Diluted Earnings Per Share | ||||
| Named Executive Officers, Footnote | (1) Mr. Peduzzi was appointed President and Chief Executive Officer, effective December 31, 2022. (2) Mr. Bower retired from his position as President and Chief Executive Officer, effective December 31, 2022. (3) For fiscal year 2024, CNB’s non-CEO Wilcoxson non-CEO non-CEO | ||||
| Peer Group Issuers, Footnote | The TSR peer group utilized is the same peer group disclosed in the section above titled “CNB Compensation Discussion and Analysis—Competitive Benchmarking” beginning on page 74. | ||||
| Changed Peer Group, Footnote | The peer group used for 2024 of Value of Initial Fixed Year TSR 2022 Peer 2024 89 114 2023 78 102 2022 79 100 2021 86 106 2020 67 77 | ||||
| Adjustment To PEO Compensation, Footnote | CEO SCT Total to CAP Reconciliation – Michael D. Peduzzi 2024 2023 2022 SCT Total Compensation $ 1,199,951 $ 1,175,410 $ 1,110,489 SCT Restricted Stock Awards (299,977 ) (199,991 ) (50,001 ) Fair Value of New Unvested Equity Awards 373,994 316,373 55,669 Change in Fair Value of Existing Unvested Equity Awards (35,545 ) (4,528 ) (6,306 ) Change in Fair Value of Vesting Equity Awards (1,701 ) (3,144 ) (105 ) Dividends on Unvested Equity Awards 9,116 3,823 2,488 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (182,556 ) (240,157 ) (278,205 ) Service Cost & Prior Service Cost 206,532 214,222 283,047 CAP $ 1,269,814 $ 1,262,008 $ 1,117,076 CEO SCT Total to CAP Reconciliation – Joseph B. Bower, Jr. 2022 2021 2020 SCT Total Compensation $ 2,432,571 $ 3,028,549 $ 1,608,420 SCT Restricted Stock Awards (261,010 ) (272,400 ) (347,079 ) Fair Value of New Unvested Equity Awards — 286,041 192,291 Change in Fair Value of Existing Unvested Equity Awards — 76,316 (156,339 ) Change in Fair Value of Vesting Equity Awards 3,631 19,005 45,515 Fair Value of New Vested Equity Awards 232,476 — — Fair Value as of Prior Year-end (258,031 ) — — Dividends on Unvested Equity Awards 10,706 6,933 4,842 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (902,701 ) (1,760,834 ) (467,045 ) Service Cost & Prior Service Cost 355,340 350,949 227,257 CAP $ 1,612,982 $ 1,734,559 $ 1,107,862 | ||||
| Non-PEO NEO Average Total Compensation Amount | $ 716,089 | $ 599,987 | $ 628,263 | $ 557,132 | $ 470,922 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 711,341 | 614,400 | 625,017 | 570,275 | 402,368 |
| Adjustment to Non-PEO NEO Compensation Footnote | Average Non-CEO 2024 2023 2022 2021 2020 SCT Total Compensation $ 716,089 $ 599,987 $ 628,263 $ 557,132 $ 470,922 SCT Restricted Stock Awards (87,471 ) (99,953 ) (76,257 ) (66,438 ) (73,438 ) Fair Value of New Unvested Equity Awards 101,851 117,016 84,907 69,940 42,335 Change in Fair Value of Existing Unvested Equity Awards (9,326 ) (4,721 ) (11,407 ) 15,104 (31,109 ) Change in Fair Value of Vesting Equity Awards (5,300 ) (7,198 ) 2,085 (969 ) (3,771 ) Dividends on Unvested Equity Awards 2,560 2,399 1,971 2,000 1,766 SCT Change in Pension Value & Nonqualified Deferred Compensation Earnings (221,470 ) (56,571 ) (19,987 ) (23,198 ) (17,301 ) Service Cost & Prior Service Cost 214,408 63,441 15,442 16,704 12,964 CAP $ 711,341 $ 614,400 $ 625,017 $ 570,275 $ 402,368 | ||||
| Equity Valuation Assumption Difference, Footnote | The fair value of equity awards is computed in a manner consistent with the fair value methodology used to report Outstanding Equity Awards at Fiscal Year-End. year-end | ||||
| Compensation Actually Paid vs. Total Shareholder Return | Comparison of Compensation Actually Paid versus Corporation TSR The chart below displays the CAP to CNB’s President and Chief Executive Officer and the average CAP to its other non-CEO | ||||
| Compensation Actually Paid vs. Net Income | Comparison of Compensation Actually Paid versus Net Income The chart below compares the CAP to CNB’s President and Chief Executive Officer and the average of the CAP to its other non-CEO | ||||
| Compensation Actually Paid vs. Company Selected Measure | Comparison of Compensation Actually Paid versus Company-Selected Measure (“CSM”) The chart below compares the CAP to CNB’s President and Chief Executive Officer’s and average of the CAP to other non-CEO | ||||
| Total Shareholder Return Vs Peer Group | Comparison of Corporation TSR versus Peer Group TSR As shown in the chart below, CNB’s TSR is less than CNB’s peer group TSR. | ||||
| Tabular List, Table | Pay Versus Performance Descriptive Disclosure The following financial measures were determined by the CNB Board of Directors to be the most important measures used to link its NEOs’ (including the President and Chief Executive Officer) CAP to CNB’s performance during the most recently completed fiscal year. • Fully-diluted EPS • Efficiency Ratio • Loan Growth • Deposit Growth (excluding Time Deposits) • Return on Equity | ||||
| Total Shareholder Return Amount | $ 89 | 78 | 79 | 86 | 67 |
| Peer Group Total Shareholder Return Amount | 118 | 103 | 100 | 106 | 77 |
| Net Income (Loss) | $ 54,575,000 | $ 58,020,000 | $ 63,188,000 | $ 57,707,000 | $ 32,743,000 |
| Company Selected Measure Amount | 2.39 | 2.55 | 3.26 | 3.16 | 1.97 |
| Additional 402(v) Disclosure | (5) Presented in thousands (6) Compensation actually paid (“CAP”) is defined by the SEC and is computed by starting with the “Total” column of the Summary Compensation Table (“SCT”) for each year and then: • subtracting the amount in the “Restricted Stock Awards” column of the SCT for such year, • adding, for all unvested equity awards granted during the reporting year and outstanding on the last day of the reporting year, the fair value as of the last day of the reporting year, utilizing the same assumptions as the Outstanding Equity Awards at 2024 Fiscal Year-End • adding, for all unvested equity awards granted prior to the reporting year and outstanding on the last day of the reporting year, the change in fair value from the last day of the preceding year to the last day of the reporting year, utilizing the same assumptions as the Outstanding Equity Awards at 2024 Fiscal Year-End • adding, for equity awards vesting during the reporting year, the change in fair value from the last day of the preceding year to the vesting date, • adding the value of any dividends or other earnings paid in the reporting year on unvested equity awards that are not otherwise included in the total compensation for the reporting year, • subtracting the amount in the “Change in Pension Value & Nonqualified Deferred Compensation Earnings” column of the SCT for such year, and • adding, for all defined benefit and actuarial pension plans, (i) the service cost, calculated as the actuarial present value attributable to services rendered during the reporting year, plus (ii) the prior service cost, calculated as the entire cost of benefits granted in a plan amendment during the reporting year that are attributed by the benefit formula to services rendered in periods prior to the amendment. | ||||
| Measure:: 1 | |||||
| Pay vs Performance Disclosure | |||||
| Name | Fully-diluted EPS | ||||
| Measure:: 2 | |||||
| Pay vs Performance Disclosure | |||||
| Name | Efficiency Ratio | ||||
| Measure:: 3 | |||||
| Pay vs Performance Disclosure | |||||
| Name | Loan Growth | ||||
| Measure:: 4 | |||||
| Pay vs Performance Disclosure | |||||
| Name | Deposit Growth (excluding Time Deposits) | ||||
| Measure:: 5 | |||||
| Pay vs Performance Disclosure | |||||
| Name | Return on Equity | ||||
| Michael D. Peduzzi [Member] | |||||
| Pay vs Performance Disclosure | |||||
| PEO Total Compensation Amount | $ 1,199,951 | $ 1,175,410 | $ 1,110,489 | $ 0 | $ 0 |
| PEO Actually Paid Compensation Amount | $ 1,269,814 | 1,262,008 | 1,117,076 | 0 | 0 |
| PEO Name | Mr. Peduzzi | ||||
| Joseph B. Bower, Jr. [Member] | |||||
| Pay vs Performance Disclosure | |||||
| PEO Total Compensation Amount | $ 0 | 0 | 2,432,571 | 3,028,549 | 1,608,420 |
| PEO Actually Paid Compensation Amount | $ 0 | 0 | 1,612,982 | 1,734,559 | 1,107,862 |
| PEO Name | Mr. Bower | ||||
| PEO | Michael D. Peduzzi [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | $ (182,556) | (240,157) | (278,205) | ||
| PEO | Michael D. Peduzzi [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 373,994 | 316,373 | 55,669 | ||
| PEO | Michael D. Peduzzi [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (35,545) | (4,528) | (6,306) | ||
| PEO | Michael D. Peduzzi [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (1,701) | (3,144) | (105) | ||
| PEO | Michael D. Peduzzi [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 9,116 | 3,823 | 2,488 | ||
| PEO | Michael D. Peduzzi [Member] | Restricted Stock Awards [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (299,977) | (199,991) | (50,001) | ||
| PEO | Michael D. Peduzzi [Member] | Service Cost & Prior Service Cost [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 206,532 | 214,222 | 283,047 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (902,701) | (1,760,834) | (467,045) | ||
| PEO | Joseph B. Bower, Jr. [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 0 | 286,041 | 192,291 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 0 | 76,316 | (156,339) | ||
| PEO | Joseph B. Bower, Jr. [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 3,631 | 19,005 | 45,515 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 232,476 | 0 | 0 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 10,706 | 6,933 | 4,842 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Restricted Stock Awards [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (261,010) | (272,400) | (347,079) | ||
| PEO | Joseph B. Bower, Jr. [Member] | Service Cost & Prior Service Cost [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 355,340 | 350,949 | 227,257 | ||
| PEO | Joseph B. Bower, Jr. [Member] | Fair Value as of Prior Year-end of Equity Awards Forfeited [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (258,031) | 0 | 0 | ||
| Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (221,470) | (56,571) | (19,987) | (23,198) | (17,301) |
| Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 101,851 | 117,016 | 84,907 | 69,940 | 42,335 |
| Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (9,326) | (4,721) | (11,407) | 15,104 | (31,109) |
| Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (5,300) | (7,198) | 2,085 | (969) | (3,771) |
| Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | 2,560 | 2,399 | 1,971 | 2,000 | 1,766 |
| Non-PEO NEO | Restricted Stock Awards [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | (87,471) | (99,953) | (76,257) | (66,438) | (73,438) |
| Non-PEO NEO | Service Cost & Prior Service Cost [Member] | |||||
| Pay vs Performance Disclosure | |||||
| Adjustment to Compensation, Amount | $ 214,408 | $ 63,441 | $ 15,442 | $ 16,704 | $ 12,964 |
| Recovery of Erroneously Awarded Compensation - Restatement Determination Date:: 2024-06-30 | 12 Months Ended |
| Dec. 31, 2024 | |
| Erroneously Awarded Compensation Recovery | |
| Restatement Determination Date | Jun. 30, 2024 |
| Aggregate Erroneous Compensation Not Yet Determined | The ECC the |
| Insider Trading Policies and Procedures | 12 Months Ended |
| Dec. 31, 2024 | |
| Insider Trading Policies and Procedures [Line Items] | |
| Insider Trading Policies and Procedures Adopted | true |
