Income Taxes (Tax Rate Reconciliation - Discontinued Operations) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Statutory federal tax rate	(35.00%)	(35.00%)	(35.00%)
State income taxes, net of federal tax benefit	(1.30%)	(1.80%)	(1.30%)
Effective income tax rate	(36.30%)	(36.80%)	(36.30%)