Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Income Tax [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%
Refundable income taxes	$ 56,500,000	$ 55,800,000
Interest on refunds	900,000
Decrease in net DTA	37,000,000
Decrease in shareholders equity	16,000,000
Valuation allowance	82,502,000	85,445,000
Net state deferred tax assets	74,900,000
Deferred tax liability not recognized	20,800,000
Capital losses	7,600,000
Reduction in valuation allowance	2,900,000
Decrease in valuation allowance attributable to capital losses	500,000
(Decrease) in certain net state DTAs	2,400,000
Cumulative taxable temporary differences related to reserves	58,000,000	58,000,000
Unrecognized tax benefit that would impact effective tax rate	2,000,000	2,900,000
Unrecognized tax benefits would affect the effective tax rate if recognized	3,100,000	4,400,000
Interest and penalties related to unrecognized tax benefits	300,000	700,000	500,000
Accrued interest and penalties related to unrecognized	900,000	1,400,000
Net decrease in unrecognized tax benefits	500,000
Connecticut Net Operating Loss Carryover [Member]
Schedule Of Income Tax [Line Items]
Valuation allowance	66,300,000
Alternative minimum tax credit carryovers	2,800,000
Operating Loss Carryforwards	$ 1,300,000,000
Net Operating Loss Carryforward Life	5 years