Employee Benefit Plans	3 Months Ended
Mar. 31, 2019
Compensation And Retirement Disclosure [Abstract]
Employee Benefit Plans	NOTE 18 – EMPLOYEE BENEFIT PLANS Employee Stock Ownership Plan The Employee Stock Ownership and Savings Plan (the “401(k) Plan”) permits employees to participate the first month following one month of service. During the second quarter of 2018, Old National increased its match to 75% of employee compensation deferral contributions of the first 4% of compensation, and 50% of the next 4% of compensation. The change was retroactive for all of 2018. Contribution expense under the 401(k) Plan was $2.8 million in the three months ended March 31, 2019, compared to $1.5 million in the three months ended March 31, 2018.

Employee Benefit Plans

3 Months Ended

Mar. 31, 2019

Compensation And Retirement Disclosure [Abstract]

NOTE 18 – EMPLOYEE BENEFIT PLANS

Employee Stock Ownership Plan

The Employee Stock Ownership and Savings Plan (the “401(k) Plan”) permits employees to participate the first month following one month of service. During the second quarter of 2018, Old National increased its match to 75% of employee compensation deferral contributions of the first 4% of compensation, and 50% of the next 4% of compensation. The change was retroactive for all of 2018. Contribution expense under the 401(k) Plan was $2.8 million in the three months ended March 31, 2019, compared to $1.5 million in the three months ended March 31, 2018.