Estimated Title Losses - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Gain (Loss) on Investments [Line Items]
Provisions for title losses as a percentage of operating revenue	5.90%	8.10%	9.40%
Total provision	$ 106,318,000	$ 140,029,000	$ 142,101,000
Loss reserve reductions	22,100,000
Current year
Gain (Loss) on Investments [Line Items]
Provisions for title losses as a percentage of operating revenue	5.10%	5.80%	6.30%
Total provision	92,043,000	100,406,000	94,115,000
Previous policy years
Gain (Loss) on Investments [Line Items]
Total provision	14,275,000	39,623,000	47,986,000
Related to adverse loss development on prior policy years
Gain (Loss) on Investments [Line Items]
Total provision	7,600,000	14,900,000	15,000,000
Related to large title losses
Gain (Loss) on Investments [Line Items]
Total provision	28,800,000	24,300,000	32,800,000
Provisions for large title claims	$ 28,800,000