Finance Receivables And Allowance For Credit Losses (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Loans placed on nonaccrual when past due, number days	90
Commercial loan concentrated	$ 0
Percentage on portfolio	10.00%
Average balance of impaired loans	62,000,000	49,500,000
Additional funds are committed in connection with impaired loans
Purchased loans		11,800,000
Allowance for loan losses	827,000	3,000,000	1,600,000
Loans on non accrual status	250,000
Maturity of loans in days Minimum	120
Maturity of loans in days Maximum	180
Carrying value of credit impaired loans	2,400,000
Accretable difference expected to be accreted into future earnings	7,000,000
Accretion recorded as loan interest income	5,200,000
Reversal of allowances for loan losses	0
Purchased impaired loans without reasonable cash flow estimate	800,000		0
Nonaccrual Loan [Member]
Loans modified in a troubled debt restructuring		7,500,000	4,800,000
Commercial [Member]
Loans modified in a troubled debt restructuring		3,500,000	3,800,000
Commercial Real Estate [Member]
Loans modified in a troubled debt restructuring		4,000,000	1,000,000
Old National Bancorp [Member]
Interest income