Cover - shares	9 Months Ended
	Sep. 30, 2023	Oct. 31, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	000-03134
Entity Registrant Name	Park-Ohio Holdings Corp
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	34-1867219
Entity Address, Address Line One	6065 Parkland Boulevard,
Entity Address, City or Town	Cleveland,
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44124
City Area Code	440
Local Phone Number	947-2000
Title of 12(b) Security	Common Stock, Par Value $1.00 Per Share
Trading Symbol	PKOH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		13,088,278
Entity Central Index Key	0000076282
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31