General - Merger Agreement (Details)		12 Months Ended
	Mar. 18, 2018 USD ($) extension day $ / shares	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2018 $ / shares
Business Acquisition [Line Items]
Common stock, par value (USD per share)		$ 1	$ 1
Termination fee to be paid by the Company | $	$ 33,000,000
FNF
Business Acquisition [Line Items]
Cash consideration to be received (USD per share)	$ 25.00
Common stock portion, conversion ratio of shares	0.6425
Common stock, par value (USD per share)	$ 0.0001
Percentage of cash consideration	50.00%
Percentage of stock consideration	50.00%
Weighted average price of common stock, trading days | day	20
Parent share price (USD per share)	$ 38.91
Reduction in share price (USD per share)	$ 4.50
Percentage of reduction in cash consideration	50.00%
Percentage of reduction in stock consideration	50.00%
Number of extensions per merger agreement | extension	2
Extension period for merger agreement	3 months
Termination fee to be paid by FNF | $	$ 50,000,000
FNF | Minimum
Business Acquisition [Line Items]
Annual revenues, divestiture of assets or businesses for regulatory approval | $		$ 75,000,000
FNF | Maximum
Business Acquisition [Line Items]
Annual revenues, divestiture of assets or businesses for regulatory approval | $		$ 225,000,000
FNF | Cash Election Consideration
Business Acquisition [Line Items]
Cash consideration to be received (USD per share)	$ 50.00
FNF | Stock Election Consideration
Business Acquisition [Line Items]
Common stock portion, conversion ratio of shares	1.2850