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Capital Ratios (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Banking Regulation, Capital Conservation Buffer, Capital Conserved, Minimum | 0.0250 |
Park National Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier One Leverage Capital to Average Assets | 0.0911 | 0.0834
Tier One Risk Based Capital to Risk Weighted Assets | 0.1095 | 0.1069
Common Equity Tier 1 | 0.1095 | 0.1069
Capital to Risk Weighted Assets | 0.1235 | 0.1215
Leverage Capital Required For Capital Adequacy To Average Total Assets | 0.0400 | 0.0400
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0600 | 0.0600
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum | 0.0450 | 0.0450
Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0800 | 0.0800
Common Equity Tier One Capital Required to be Well-Capitalized | $ 529,043 | $ 516,562
Leverage Capital Required To Be Well Capitalized To Average Total Assets | 0.0500 | 0.0500
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 0.0800 | 0.0800
Capital Required to be Well Capitalized to Risk Weighted Assets | 0.1000 | 0.1000
Capital Required for Capital Adequacy | $ 651,130 | $ 635,769
Capital Required to be Well Capitalized | 813,913 | 794,711
Tier One Risk Based Capital | 891,363 | 849,886
Tier One Risk Based Capital Required for Capital Adequacy | 488,348 | 476,827
Tier One Risk Based Capital Required to be Well Capitalized | 651,130 | 635,769
Tier One Leverage Capital | 891,363 | 849,886
Tier One Leverage Capital Required for Capital Adequacy | 391,376 | 407,836
Tier One Leverage Capital Required to be Well Capitalized | 489,220 | 509,795
Common Equity Tier One Capital | 891,363 | 849,886
Common Equity Tier One Capital Required for Capital Adequacy | $ 366,261 | $ 357,620
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum | 0.0650 | 0.0650
Banking Regulation, Total Capital, Actual | $ 1,005,211 | $ 965,470
Park |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Tier One Leverage Capital to Average Assets | 0.1074 | 0.0990
Tier One Risk Based Capital to Risk Weighted Assets | 0.1297 | 0.1276
Common Equity Tier 1 | 0.1279 | 0.1257
Capital to Risk Weighted Assets | 0.1619 | 0.1607
Leverage Capital Required For Capital Adequacy To Average Total Assets | 0.0400 | 0.0400
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0600 | 0.0600
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum | 0.0450 | 0.0450
Capital Required for Capital Adequacy to Risk Weighted Assets | 0.0800 | 0.0800
Leverage Capital Required For Capital Adequacy plus capital conservation buffer To Average Total Assets | 4.00% | 4.00%
Tier One Risk Based Capital Required For Capital Adequacy plus capital conservation buffer To Average Total Assets | 8.50% | 8.50%
Common Equity Tier 1 Capital Required For Capital Adequacy plus capital conservation buffer To Average Total Assets | 7.00% | 7.00%
Capital Required For Capital Adequacy plus capital conservation buffer To Average Total Assets | 10.50% | 10.50%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 0.0600 | 0.0600
Capital Required to be Well Capitalized to Risk Weighted Assets | 0.1000 | 0.1000
Capital Required for Capital Adequacy | $ 654,197 | $ 639,102
Capital Required to be Well Capitalized | 817,747 | 798,877
Tier One Risk Based Capital | 1,060,593 | 1,019,149
Tier One Risk Based Capital Required for Capital Adequacy | 490,648 | 479,326
Tier One Risk Based Capital Required to be Well Capitalized | 490,648 | 479,326
Tier One Leverage Capital | 1,060,593 | 1,019,149
Tier One Leverage Capital Required for Capital Adequacy | 395,131 | 411,838
Common Equity Tier One Capital | 1,045,593 | 1,004,149
Common Equity Tier One Capital Required for Capital Adequacy | 367,986 | 359,495
Banking Regulation, Total Capital, Actual | $ 1,323,588 | $ 1,283,409

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