Intangible Assets (Textual) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Net amortization expense of intangible assets and liabilities	$ 23,700,000	$ 32,700,000	$ 16,900,000