Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Taxes [Abstract]
effective tax rate before discrete items	39.10%	37.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 700
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	18.00%