Subsequent Events (Notes)	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On December 22, 2014, the Company and RPX Clearinghouse LLC (a wholly-owned subsidiary of the Company) entered into an Asset Purchase Agreement by and among Rockstar Consortium US LP, Rockstar Consortium LLC, Bockstar Technologies LLC, Constellation Technologies LLC, MobileStar Technologies LLC, and NetStar Technologies LLC (the “Sellers”), for the purchase of substantially all of the patent assets owned or controlled by the Sellers (the “Rockstar Transaction”), as well as other ancillary agreements, including but not limited to an Escrow Agreement by and among the Sellers, Citibank, N.A., acting as escrow agent, RPX Clearinghouse LLC and the Company (the “Escrow Agreement”). RPX Clearinghouse LLC paid the Sellers $25.0 million as a non-refundable deposit on December 26, 2014 upon the execution of the Asset Purchase Agreement, which is reflected on the consolidated balance sheet in other assets. The third-party funding commitments described below were delivered pursuant with the Escrow Agreement and the remaining closing conditions under the Asset Purchase Agreement were met on January 28, 2015 on which date the Rockstar Transaction was consummated and the Sellers received an additional payment of $875.0 million from escrow. RPX Clearinghouse LLC received funding commitments for the Rockstar Transaction from a syndicate of more than 30 companies including a contribution of approximately $29.0 million from the Company which was recorded as a patent asset upon closing of the Rockstar Transaction and will be amortized over its estimated economic useful life of 60 months. Also upon the closing of the Rockstar Transaction, syndicate participants received non-exclusive licenses to the patent assets included in the Rockstar Transaction, and RPX Clearinghouse made the patent assets available for license to all other interested companies under fair, reasonable, and non-discriminatory terms. On February 10, 2015, the Company announced that its Board of Directors has authorized a share repurchase program under which the Company is authorized to repurchase up to $75.0 million of its outstanding common stock. The Company’s share repurchase program does not obligate it to acquire any specific number of shares.

Subsequent Events

On December 22, 2014, the Company and RPX Clearinghouse LLC (a wholly-owned subsidiary of the Company) entered into an Asset Purchase Agreement by and among Rockstar Consortium US LP, Rockstar Consortium LLC, Bockstar Technologies LLC, Constellation Technologies LLC, MobileStar Technologies LLC, and NetStar Technologies LLC (the “Sellers”), for the purchase of substantially all of the patent assets owned or controlled by the Sellers (the “Rockstar Transaction”), as well as other ancillary agreements, including but not limited to an Escrow Agreement by and among the Sellers, Citibank, N.A., acting as escrow agent, RPX Clearinghouse LLC and the Company (the “Escrow Agreement”). RPX Clearinghouse LLC paid the Sellers $25.0 million as a non-refundable deposit on December 26, 2014 upon the execution of the Asset Purchase Agreement, which is reflected on the consolidated balance sheet in other assets. The third-party funding commitments described below were delivered pursuant with the Escrow Agreement and the remaining closing conditions under the Asset Purchase Agreement were met on January 28, 2015 on which date the Rockstar Transaction was consummated and the Sellers received an additional payment of $875.0 million from escrow.

RPX Clearinghouse LLC received funding commitments for the Rockstar Transaction from a syndicate of more than 30 companies including a contribution of approximately $29.0 million from the Company which was recorded as a patent asset upon closing of the Rockstar Transaction and will be amortized over its estimated economic useful life of 60 months. Also upon the closing of the Rockstar Transaction, syndicate participants received non-exclusive licenses to the patent assets included in the Rockstar Transaction, and RPX Clearinghouse made the patent assets available for license to all other interested companies under fair, reasonable, and non-discriminatory terms.

On February 10, 2015, the Company announced that its Board of Directors has authorized a share repurchase program under which the Company is authorized to repurchase up to $75.0 million of its outstanding common stock. The Company’s share repurchase program does not obligate it to acquire any specific number of shares.