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Capital Ratios (Tables) | 12 Months Ended
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Dec. 31, 2016
Capital [Abstract] |
Schedule of compliance with regulatory capital requirements under banking regulations | The following table indicates the capital ratios for PNB and Park at December 31, 2016 and 2015.
| As of December 31, 2016
| Leverage |  | Tier 1 Risk-Based |  | Common Equity Tier 1 |  | Total Risk-Based
The Park National Bank | 7.34 | % |  | 9.87 | % |  | 9.87 | % |  | 11.24 | %
Park National Corporation | 9.56 | % |  | 12.83 | % |  | 12.55 | % |  | 14.32 | %
Adequately capitalized ratio | 4.00 | % |  | 6.00 | % |  | 4.50 | % |  | 8.00 | %
Adequately capitalized ratio plus capital conservation buffer | 4.00 | % |  | 8.50 | % |  | 7.00 | % |  | 10.50 | %
Well-capitalized ratio (PNB only) | 5.00 | % |  | 8.00 | % |  | 6.50 | % |  | 10.00 | %
| As of December 31, 2015
| Leverage |  | Tier 1 Risk-Based |  | Common Equity Tier 1 |  | Total Risk-Based
The Park National Bank | 7.06 | % |  | 9.83 | % |  | 9.83 | % |  | 11.37 | %
Park National Corporation | 9.22 | % |  | 12.82 | % |  | 12.54 | % |  | 14.49 | %
Adequately capitalized ratio | 4.00 | % |  | 6.00 | % |  | 4.50 | % |  | 8.00 | %
Adequately capitalized ratio plus capital conservation buffer | 4.00 | % |  | 8.50 | % |  | 7.00 | % |  | 10.50 | %
Well-capitalized ratio (PNB only) | 5.00 | % |  | 8.00 | % |  | 6.50 | % |  | 10.00 | %
Schedule of various measures of capital ratio | The following table reflects various measures of capital for Park and PNB:
|  |  |  |  |  | To Be Adequately Capitalized |  | To Be Well Capitalized
(In thousands) |  | Actual Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
At December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |
Total Risk-Based Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 607,269 |  |  | 11.24 | % |  | $ | 432,153 |  |  | 8.00 | % |  | $ | 540,192 |  |  | 10.00 | %
Park |  | 784,406 |  |  | 14.32 | % |  | 438,231 |  |  | 8.00 | % |  | N/A |  |  | N/A |
Tier 1 Risk-Based Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 533,215 |  |  | 9.87 | % |  | $ | 324,115 |  |  | 6.00 | % |  | $ | 432,153 |  |  | 8.00 | %
Park |  | 702,651 |  |  | 12.83 | % |  | 328,673 |  |  | 6.00 | % |  | N/A |  |  | N/A |
Leverage Ratio (to average total assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 533,215 |  |  | 7.34 | % |  | $ | 290,671 |  |  | 4.00 | % |  | $ | 363,339 |  |  | 5.00 | %
Park |  | 702,651 |  |  | 9.56 | % |  | 293,916 |  |  | 4.00 | % |  | N/A |  |  | N/A |
Common Equity Tier 1 (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 533,215 |  |  | 9.87 | % |  | $ | 243,086 |  |  | 4.50 | % |  | $ | 351,125 |  |  | 6.50 | %
Park |  | 687,651 |  |  | 12.55 | % |  | 246,505 |  |  | 4.50 | % |  | N/A |  |  | N/A |
At December 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |
Total Risk-Based Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 588,467 |  |  | 11.37 | % |  | $ | 414,079 |  |  | 8.00 | % |  | $ | 517,599 |  |  | 10.00 | %
Park |  | 758,988 |  |  | 14.49 | % |  | 419,080 |  |  | 8.00 | % |  | N/A |  |  | N/A |
Tier 1 Risk-Based Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 508,763 |  |  | 9.83 | % |  | $ | 310,560 |  |  | 6.00 | % |  | $ | 414,079 |  |  | 8.00 | %
Park |  | 671,664 |  |  | 12.82 | % |  | 314,310 |  |  | 6.00 | % |  | N/A |  |  | N/A |
Leverage Ratio (to average total assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | $ | 508,763 |  |  | 7.06 | % |  | $ | 288,147 |  |  | 4.00 | % |  | $ | 360,183 |  |  | 5.00 | %
Park |  | 671,664 |  |  | 9.22 | % |  | 291,449 |  |  | 4.00 | % |  | N/A |  |  | N/A |
Common Equity Tier 1 (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |
PNB |  | 508,763 |  |  | 9.83 | % |  | 232,920 |  |  | 4.50 | % |  | 336,439 |  |  | 6.50 | %
Park |  | 656,664 |  |  | 12.54 | % |  | 235,732 |  |  | 4.50 | % |  | N/A |  |  | N/A |

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958577-112826 + Details
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