Additional Royalties Claimed.

No definition available.

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- Definition

Number of domestic patents.

+ References

No definition available.

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Number Of domestic patents under license agreement.

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No definition available.

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- Definition

Number of foreign patents.

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No definition available.

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Number of foreign patents under license agreement.

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No definition available.

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- Definition

Number of patents on which claim is dropped.

+ References

No definition available.

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

This element represents the expenses incurred by the entity which are directly related and attributable to receiving an award in settlement of litigation.

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No definition available.

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- Definition

This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

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No definition available.

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- Definition

Describes the form and magnitude of the award the plaintiff seeks in the legal matter, which may include an unspecified amount of money.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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Commitments and Contingencies (Details) (USD $)			1 Months Ended	12 Months Ended	81 Months Ended		1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended						12 Months Ended
Commitments and Contingencies (Details) (USD $)	Mar. 31, 2013 Senior Secured Revolving Credit Facility [Member]	Mar. 31, 2013 Letter of Credit [Member]	Nov. 30, 2009 Tessera Inc Legal Proceedings [Member] patents	Dec. 31, 2008 Tessera Inc Legal Proceedings [Member]	Dec. 01, 2008 Tessera Inc Legal Proceedings [Member]	Jul. 06, 2012 Tessera Inc Legal Proceedings [Member] Alleged Infringement [Member] patents	Jul. 31, 2011 Tessera Inc Legal Proceedings [Member] First Phase [Member]	Mar. 31, 2013 Tessera Inc Legal Proceedings [Member] First Phase [Member]	Aug. 31, 2012 Tessera Inc Legal Proceedings [Member] Second Phase [Member]	Mar. 31, 2013 Tessera Inc Legal Proceedings [Member] Second Phase [Member]	Dec. 31, 2012 Tessera Inc Legal Proceedings [Member] Second Phase [Member]	Jul. 05, 2012 Tessera Inc Legal Proceedings [Member] Second Phase [Member] patents	Jul. 05, 2012 Tessera Inc Legal Proceedings [Member] Second Phase [Member] Royalty Obligations [Member] patents	Jul. 05, 2012 Tessera Inc Legal Proceedings [Member] Second Phase [Member] No Royalty Obligations [Member] patents	Nov. 18, 2004 Carsem Legal Proceedings [Member] claims	Nov. 17, 2003 Carsem Legal Proceedings [Member] Alleged Infringement [Member] Minimum [Member] claims	Dec. 31, 2012 Cost of Sales [Member] Tessera Inc Legal Proceedings [Member] Second Phase [Member]	Dec. 31, 2012 Interest Expense [Member] Tessera Inc Legal Proceedings [Member] Second Phase [Member]
Loss Contingencies [Line Items]
Credit facility, borrowing capacity	$ 150,000,000.0	$ 25,000,000.0
Borrowings outstanding		300,000
Credit facility, additional borrowing available		24,700,000
Final damages awarded					60,600,000
Final award, plus interest and royalties				64,700,000
Number of U.S patents under license agreement (in patents)			13
Number of foreign patents under license agreement (in patents)			6
Number of patents on which claim is dropped (in patents)			5
Additional royalties claimed by Tessera for packages							18,000,000
Unpaid Amount of Royalties								500,000	19,900,000
Number of domestic patents						1						10	3	7
Number of foreign patents												4
Loss in period											56,000,000						50,000,000	6,000,000
Damages sought										in excess of $150 million
Damages sought, value										$ 150,000,000
Number of valid asserted patent claims															21	1