Regulatory Restrictions (Tables)

12 Months Ended

Dec. 31, 2011

Deposits [Abstract]

Schedule Of Capital Ratios

						For Capital				For Well
		Actual				Adequacy Purposes				Capitalized Purposes
(dollars in thousands)		Amount	Ratio			Amount	Ratio			Amount	Ratio
2011
Total capital to
risk-weighted assets
Old National Bancorp	$	773,862	14.99	%	$	413,082	8.00	%	$	N/A	N/A %
Old National Bank		683,368	13.40			407,835	8.00			509,794	10.00
Tier 1 capital to
risk-weighted assets
Old National Bancorp		697,534	13.51			206,541	4.00			N/A	N/A
Old National Bank		620,039	12.16			203,917	4.00			305,876	6.00
Tier 1 capital to
average assets
Old National Bancorp		697,534	8.29			336,710	4.00			N/A	N/A
Old National Bank		620,039	7.42			334,068	4.00			417,585	5.00
2010
Total capital to
risk-weighted assets
Old National Bancorp	$	699,871	14.83	%	$	377,669	8.00	%	$	N/A	N/A %
Old National Bank		576,533	12.43			370,968	8.00			463,710	10.00
Tier 1 capital to
risk-weighted assets
Old National Bancorp		640,469	13.57			188,835	4.00			N/A	N/A
Old National Bank		518,165	11.17			185,454	4.00			278,226	6.00
Tier 1 capital to
average assets
Old National Bancorp		640,469	9.01			284,226	4.00			N/A	N/A
Old National Bank		518,165	7.37			281,242	4.00			351,552	5.00