Commitments and Contingencies (Details) (USD $)								1 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Tessera Inc Legal Proceedings [Member]	Dec. 31, 2013 Tessera Inc Legal Proceedings [Member]	Mar. 31, 2014 Letter of Credit [Member]	Mar. 31, 2014 Senior Secured Revolving Credit Facility due June 2017	Dec. 31, 2013 Senior Secured Revolving Credit Facility due June 2017	Aug. 31, 2009 2009 Arbitration [Member] Tessera Inc Legal Proceedings [Member] patents	Jul. 31, 2012 Delaware Litigation [Member] Tessera Inc Legal Proceedings [Member] patents
Loss Contingencies [Line Items]
Credit facility, borrowing capacity					$ 25,000,000	$ 150,000,000
Borrowings outstanding					400,000	0	0
Credit facility, additional borrowing available					24,600,000
Loss Contingency, Patents Allegedly Infringed, Number								3	1
Loss Contingency, Range of Possible Loss, Minimum			11,000,000
Loss Contingency, Range of Possible Loss, Maximum			113,000,000
Accrued Royalties, Current	43,324,000	43,324,000		43,324,000
Accrued interest	$ 44,351,000	$ 21,807,000	$ 4,900,000