Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Effective Income Tax Rate Reconciliation, Percent	33.50%	22.30%	28.20%	22.00%
Income Tax Reconciliation, Tax Planning Initiatives				$ 7,000,000
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount			6,000,000	4,000,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount				4,000,000
Loss Contingency, Range of Possible Loss, Portion Not Accrued	100,000,000		100,000,000
Restatement Adjustment
Retained earnings adjustment (see Note 15)				$ (16,773,000)