Summary of Significant Accounting Policies (New Accounting Pronouncement, Early Adoption) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
New Accounting Pronouncement, Early Adoption [Line Items]
Prepaid expenses and other current assets	$ 51,368	$ 39,819
Deferred income taxes assets - long term	2,606	11,363
Deferred income taxes liabilities - current		0
Deferred income taxes liabilities - long term	$ 33,092	59,774
Scenario, Previously Reported [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Prepaid expenses and other current assets		39,837
Deferred income taxes assets - long term		11,378
Deferred income taxes liabilities - current		21,432
Deferred income taxes liabilities - long term		38,375
Restatement Adjustment [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Prepaid expenses and other current assets		(18)
Deferred income taxes assets - long term		(15)
Deferred income taxes liabilities - current		(21,432)
Deferred income taxes liabilities - long term		$ 21,399