Capital Ratios (Details) $ in Thousands	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
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	0.0980	0.0911
Tier One Risk Based Capital to Risk Weighted Assets	0.1144	0.1095
Common Equity Tier 1	0.1144	0.1095
Capital to Risk Weighted Assets	0.1285	0.1235
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	$ 547,358	$ 529,043
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	$ 673,671	$ 651,130
Capital Required to be Well Capitalized	842,089	813,913
Tier One Risk Based Capital	963,148	891,363
Tier One Risk Based Capital Required for Capital Adequacy	505,253	488,348
Tier One Risk Based Capital Required to be Well Capitalized	673,671	651,130
Tier One Leverage Capital	963,148	891,363
Tier One Leverage Capital Required for Capital Adequacy	393,256	391,376
Tier One Leverage Capital Required to be Well Capitalized	491,570	489,220
Common Equity Tier One Capital	963,148	891,363
Common Equity Tier One Capital Required for Capital Adequacy	$ 378,940	$ 366,261
Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum	0.0650	0.0650
Banking Regulation, Total Capital, Actual	$ 1,081,979	$ 1,005,211
Park
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier One Leverage Capital to Average Assets	0.1151	0.1074
Tier One Risk Based Capital to Risk Weighted Assets	0.1346	0.1297
Common Equity Tier 1	0.1328	0.1279
Capital to Risk Weighted Assets	0.1663	0.1619
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	$ 677,966	$ 654,197
Capital Required to be Well Capitalized	847,458	817,747
Tier One Risk Based Capital	1,140,517	1,060,593
Tier One Risk Based Capital Required for Capital Adequacy	508,475	490,648
Tier One Risk Based Capital Required to be Well Capitalized	508,475	490,648
Tier One Leverage Capital	1,140,517	1,060,593
Tier One Leverage Capital Required for Capital Adequacy	396,519	395,131
Common Equity Tier One Capital	1,125,517	1,045,593
Common Equity Tier One Capital Required for Capital Adequacy	381,356	367,986
Banking Regulation, Total Capital, Actual	$ 1,408,999	$ 1,323,588

Capital Required For Capital Adequacy plus capital conservation buffer To Average Total Assets

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Minimum capital conservation buffer percentage required to avoid restriction on payout amount of eligible retained income as defined by regulatory framework.

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