Financial Instruments with Off-Balance Sheet Risk and Concentration Risk (Details) - Title Insurance Premiums	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Geographic Concentration Risk | California
Concentration Risk
Concentration risk (in percent)	14.60%	15.10%	15.00%
Geographic Concentration Risk | Texas
Concentration Risk
Concentration risk (in percent)	14.20%	14.40%	15.40%
Geographic Concentration Risk | New York
Concentration Risk
Concentration risk (in percent)	7.10%	8.10%	7.90%
Geographic Concentration Risk | Florida
Concentration Risk
Concentration risk (in percent)	7.70%	8.10%	7.80%
Customer Concentration Risk | Customer 1 | FNF Group Segment | Black Knight Financial Services Subsegment
Concentration Risk
Concentration risk (in percent)	12.00%	12.00%	14.00%
Customer Concentration Risk | Customer 2 | FNF Group Segment | Black Knight Financial Services Subsegment
Concentration Risk
Concentration risk (in percent)			12.00%