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Component: (Network and Table)
Network
40202 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Estimated Useful Lives For Intangible Assets) (Details)
(http://bankrate.com/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfEstimatedUsefulLivesForIntangibleAssetsDetails)
TableSchedule Of Finite Lived Intangible Assets [Table]
Slicers (applies to each fact value in each table cell)
Finite Lived Intangible Assets [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
Range [Axis]
Maximum [Member]Minimum [Member]
Finite Lived Intangible Assets By Major Class [Axis]Finite Lived Intangible Assets By Major Class [Axis]
Trademarks And Domain Names [Member]Customer Relationships [Member]Affiliate Relationships [Member]Developed Technologies [Member]Trademarks And Domain Names [Member]Customer Relationships [Member]Affiliate Relationships [Member]Developed Technologies [Member]
Finite-Lived Intangible Asset, Useful Life
P25Y  
P15Y  
P15Y  
P10Y  
P2Y  
P3Y  
P1Y  
P1Y