Income Taxes Income Taxes (Rate Reconciliation) (Details Textual)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective federal tax rate	35.00%	35.00%
Impairment of goodwill and other long-lived assets		(32.70%)
Change in tax reserves	16.10%
State income taxes, net of federal benefit	5.30%	0.30%
Other items	3.80%	(0.10%)
Tax credits	(14.30%)
Company's effective rate	45.90%	2.50%