Loans Held for Sale	6 Months Ended
	Jun. 30, 2020
Debt Disclosure [Abstract]
Loans Held for Sale	LOANS HELD FOR SALEMortgage loans held for immediate sale in the secondary market were $122.5 million at June 30, 2020, compared to $46.9 million at December 31, 2019.  Residential loans that Old National has originated with the intent to sell are recorded at fair value.  Conventional mortgage production is sold on a servicing retained basis.  Certain loans, such as government guaranteed mortgage loans are sold on servicing released basis.