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Capital Ratios (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2015
--- | --- | --- | ---
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Capital Conservation Buffer | 2.50% |  | 0.625%
Park National Bank |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier One Leverage Capital to Average Assets | 8.62% | 8.29% |
Tier One Risk Based Capital to Risk Weighted Assets | 11.05% | 11.01% |
Common Equity Tier 1 | 11.05% | 11.01% |
Capital to Risk Weighted Assets | 12.25% | 12.30% |
Leverage Capital Required For Capital Adequacy To Average Total Assets | 4.00% | 4.00% |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 6.00% | 6.00% |
Common Equity Tier 1 Capital Required For Capital Adequacy To Average Total Assets | 4.50% | 4.50% |
Capital Required for Capital Adequacy to Risk Weighted Assets | 8.00% | 8.00% |
Leverage Capital Required To Be Well Capitalized To Average Total Assets | 5.00% | 5.00% |
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 8.00% | 8.00% |
Common Equity Tier 1 Capital Required To Be Well Capitalized To Average Total Assets | 6.50% | 6.50% |
Capital Required to be Well Capitalized to Risk Weighted Assets | 10.00% | 10.00% |
Risk Based Capital | $ 810,880 | $ 709,101 |
Capital Required for Capital Adequacy | 529,480 | 461,293 |
Capital Required to be Well Capitalized | 661,850 | 576,617 |
Tier One Risk Based Capital | 731,071 | 634,909 |
Tier One Risk Based Capital Required for Capital Adequacy | 397,110 | 345,970 |
Tier One Risk Based Capital Required to be Well Capitalized | 529,480 | 461,293 |
Tier One Leverage Capital | 731,071 | 634,909 |
Tier One Leverage Capital Required for Capital Adequacy | 339,092 | 306,485 |
Tier One Leverage Capital Required to be Well Capitalized | 423,866 | 383,106 |
Common Equity Tier One Capital | 731,071 | 634,909 |
Common Equity Tier One Capital Required for Capital Adequacy | 297,832 | 259,478 |
Common Equity Tier One Capital Required to be Well-Capitalized | $ 430,202 | $ 374,801 |
Park |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier One Leverage Capital to Average Assets | 9.64% | 10.04% |
Tier One Risk Based Capital to Risk Weighted Assets | 12.33% | 13.30% |
Common Equity Tier 1 | 12.11% | 13.04% |
Capital to Risk Weighted Assets | 13.19% | 14.19% |
Leverage Capital Required For Capital Adequacy To Average Total Assets | 4.00% | 4.00% |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 6.00% | 6.00% |
Common Equity Tier 1 Capital Required For Capital Adequacy To Average Total Assets | 4.50% | 4.50% |
Capital Required for Capital Adequacy to Risk Weighted Assets | 8.00% | 8.00% |
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 | 6.00% | 6.00% |
Capital Required to be Well Capitalized to Risk Weighted Assets | 10.00% | 10.00% |
Risk Based Capital | $ 877,108 | $ 826,006 |
Capital Required for Capital Adequacy | 532,169 | 465,732 |
Capital Required to be Well Capitalized | 665,211 | 582,166 |
Tier One Risk Based Capital | 820,312 | 774,369 |
Tier One Risk Based Capital Required for Capital Adequacy | 399,127 | 349,299 |
Tier One Risk Based Capital Required to be Well Capitalized | 399,127 | 349,299 |
Tier One Leverage Capital | 820,312 | 774,369 |
Tier One Leverage Capital Required for Capital Adequacy | 340,412 | 308,397 |
Common Equity Tier One Capital | 805,312 | 759,369 |
Common Equity Tier One Capital Required for Capital Adequacy | $ 299,345 | $ 261,975 |

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