Acquisitions - Estimated Useful Lives of Property and Equipment and Other Intangible Assets (Details) - FNFV - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Jan. 18, 2016
Minimum
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life, property and equipment (in years)	3 years
Maximum
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life, property and equipment (in years)	40 years
Management services contract
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life, other intangible assets (in years)	12 years
Tradename
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life, other intangible assets (in years)	15 years
Brasada
Business Acquisition [Line Items]
Property and equipment		$ 14.4
Total other intangible assets		7.5
Total		21.9
Brasada | Management services contract
Business Acquisition [Line Items]
Total other intangible assets		5.2
Brasada | Tradename
Business Acquisition [Line Items]
Total other intangible assets		$ 2.3