Income Taxes (Schedule of Net Deferred Tax Assets and Liabilities) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred Tax Liabilities, Net [Abstract]
Net current deferred tax assets	$ 16,300,000	$ 3,300,000
Net noncurrent deferred tax liabilities	(154,883,000)	(119,388,000)
Net deferred tax liabilities	$ (138,600,000)	$ (116,100,000)