Income Taxes Income Tax Narrative (Details) (USD $)	12 Months Ended					12 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Alternative Minumum Tax Credit Carryforward	Dec. 31, 2012 Low-Income Housing Tax Credit Carryforward	Dec. 31, 2011 Federal	Dec. 31, 2004 Federal	Dec. 31, 2012 Federal	Dec. 31, 2011 State	Dec. 31, 2012 State	Dec. 31, 2012 State Indiana	Dec. 31, 2012 State Illinois
Valuation allowance	$ 6,473,000	$ 6,307,000
Change in valuation allowance	166,000	6,307,000	0			5,300,000			1,000,000
Net deferred tax assets	11,302,000	16,273,000
Operating Income (Loss)							(45,000,000)
Operating Loss Carryforward Extended Period								19			7	12
Deferred Tax Liability Not Recognized, Cumulative Amount of Temporary Difference	12,500,000	12,500,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability	4,900,000	4,900,000
Operating Loss Carryforwards								12,700,000		11,400,000
Tax Credit Carryforward, Amount				$ 1,400,000	$ 3,900,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	34.00%	34.00%	34.00%