Selected Statement of Operations and Comprehensive Earnings Information Related to Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting Information [Line Items]
Revenues	$ 536,835	$ 520,741	$ 1,477,768	$ 1,389,440
Depreciation and amortization	4,142	4,336	12,721	13,423
Earnings (loss) before taxes and noncontrolling interests	29,590	39,364	85,599	62,650
Title
Segment Reporting Information [Line Items]
Revenues	500,899	468,040	1,358,742	1,247,633
Depreciation and amortization	1,421	1,481	4,389	4,661
Earnings (loss) before taxes and noncontrolling interests	61,713	50,635	165,198	114,972
Mortgage Services
Segment Reporting Information [Line Items]
Revenues	31,391	45,677	109,907	126,605
Depreciation and amortization	1,062	956	2,947	3,105
Earnings (loss) before taxes and noncontrolling interests	(1,417)	12,381	13,575	32,631
Corporate
Segment Reporting Information [Line Items]
Revenues	4,545	7,024	9,119	15,202
Depreciation and amortization	1,659	1,899	5,385	5,657
Earnings (loss) before taxes and noncontrolling interests	(30,706)	(23,652)	(93,174)	(84,953)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	(3,686)	(2,750)	(9,495)	(8,373)
Intersegment Eliminations | Mortgage Services
Segment Reporting Information [Line Items]
Revenues	(2,896)	(1,841)	(7,123)	(5,427)
Intersegment Eliminations | Corporate
Segment Reporting Information [Line Items]
Revenues	$ (790)	$ (909)	$ (2,372)	$ (2,946)