Award Timing Disclosure	12 Months Ended
Award Timing Disclosure	Dec. 31, 2025
Award Timing Disclosures [Line Items]
Award Timing MNPI Disclosure	Our insider trading policy provides that option awards granted under our equity compensation plans must generally be granted (a) during open trading windows, and (b) more than four business days before, and more than one business day after, our release of earnings for the most recently completed fiscal period or filing with the SEC. The release of MNPI may not be timed or otherwise manipulated with the intent of affecting the value of an equity award.
Award Timing Method	Our insider trading policy provides that option awards granted under our equity compensation plans must generally be granted (a) during open trading windows, and (b) more than four business days before, and more than one business day after, our release of earnings for the most recently completed fiscal period or filing with the SEC.
Award Timing Predetermined	true
Award Timing MNPI Considered	true
Award Timing, How MNPI Considered	Our insider trading policy provides that option awards granted under our equity compensation plans must generally be granted (a) during open trading windows, and (b) more than four business days before, and more than one business day after, our release of earnings for the most recently completed fiscal period or filing with the SEC. The release of MNPI may not be timed or otherwise manipulated with the intent of affecting the value of an equity award.
MNPI Disclosure Timed for Compensation Value	false

ON24 INC. 10-K/A