LITIGATION, CLAIMS AND ASSESSMENTS (Details) $ in Millions	Jul. 26, 2016 patent	Mar. 29, 2016 inter_parts_review	Dec. 10, 2015 patent	Aug. 04, 2015 USD ($)	Jun. 10, 2016 petition	May 26, 2016 petition	Apr. 27, 2016 petition	Nov. 06, 2015 petition	Nov. 05, 2015 petition
Finjan, Inc. v. Blue Coat Systems, Inc.
Loss Contingencies [Line Items]
Damages awarded | $				$ 39.5
Finjan, Inc. v. Palo Alto Networks, Inc
Loss Contingencies [Line Items]
Number of patents asserted | patent			10
ESET, LLC v. Finjan, Inc.
Loss Contingencies [Line Items]
Number of patents asserted | patent	6
Number of patents first-to-file | patent	5
Blue Coat Systems, Inc.
Loss Contingencies [Line Items]
Number of petitions filed for IPR | petition					2		2
Symantec Corp
Loss Contingencies [Line Items]
Number of petitions filed for IPR | petition						3
Palo Alto Networks, Inc
Loss Contingencies [Line Items]
Number of IPRs | inter_parts_review		2
Number of petitions filed for IPR | petition								2	2