For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

REPORTABLE SEGMENTS AND RELATED INFORMATION - Summary of Concentration of Risk by Total Consolidated Revenues (Details) - Consolidated revenues	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Product Concentration Risk \| Motor Vehicle Driver History Record Retrieval
Concentration Risk [Line Items]
Concentration risk percentage	19.00%	26.00%	29.00%
Product Concentration Risk \| Motor Vehicle Registrations
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	11.00%	14.00%
Product Concentration Risk \| TourHealth COVID-19 Services
Concentration Risk [Line Items]
Concentration risk percentage	13.00%
Customer Concentration Risk \| Colorado
Concentration Risk [Line Items]
Concentration risk percentage		10.00%
Customer Concentration Risk \| Texas
Concentration Risk [Line Items]
Concentration risk percentage			17.00%
Customer Concentration Risk \| LexisNexis Risk Solutions
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	15.00%	19.00%