Regulatory and Legal Developments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended		6 Months Ended	0 Months Ended			0 Months Ended
	Jun. 11, 2014 Hurst Financial Loans Litigation	Jun. 11, 2014 Hurst Financial Loans Litigation Settled Litigation Plaintiff	Jun. 30, 2014 Hurst Financial Loans Litigation Pending Litigation Plaintiff	Aug. 05, 2013 Bellwether Trials Plaintiff	Aug. 05, 2013 Bellwether Jury Trial Claim Selected by Plaintiffs claim	Aug. 05, 2013 Bellwether Jury Trial Claim Selected by Defendants claim	Aug. 05, 2013 Hurst Financial Loans, Bellwether Trials, Including Stewart Title Company Plaintiff
Loss Contingencies [Line Items]
Number Of Plaintiffs		500	2	8			1
Bellwether jury trial claims pending					4	4
Percent of Total Plaintiffs		90.00%
Litigation settlement	$ 10.53