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Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash dividends on common stock per share | $ 3.76 | $ 3.76 | $ 3.76

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- Definition Common Stock Cash Dividends Per Share + References No definition available. + Details
Name: | prk_CommonStockCashDividendsPerShare
Namespace Prefix: | prk_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration