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Contingencies (Details) - Ramirez v. Trans Union LLC [Member] | 6 Months Ended
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Jun. 30, 2017 USD ($) plantiff
Loss Contingencies [Line Items] |
Loss Contingency, Number of Plaintiffs | plantiff | 8,185
Punitive Damages [Member] | Minimum [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Estimate of Possible Loss | $ 0
Punitive Damages [Member] | Maximum [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Estimate of Possible Loss | 8,100,000
Judicial Ruling [Member] | Statutory Damages [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Damages Awarded, Value | 8,100,000
Judicial Ruling [Member] | Statutory Damages [Member] | Per person [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Damages Awarded, Value | 984.22
Judicial Ruling [Member] | Punitive Damages [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Damages Awarded, Value | 52,000,000
Judicial Ruling [Member] | Punitive Damages [Member] | Per person [Member] |
Loss Contingencies [Line Items] |
Loss Contingency, Damages Awarded, Value | $ 6,353.08

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