Selected Statement of Operations and Comprehensive Earnings Information Related to Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Revenues	$ 517,220	$ 483,712	$ 940,933	$ 868,698
Depreciation and amortization	4,221	4,563	8,578	9,088
Earnings (loss) before taxes and noncontrolling interests	48,862	31,217	56,009	23,285
Title
Segment Reporting Information [Line Items]
Revenues	475,428	435,485	857,842	779,593
Depreciation and amortization	1,468	1,593	2,968	3,203
Earnings (loss) before taxes and noncontrolling interests	73,151	43,092	103,484	57,994
Mortgage Services
Segment Reporting Information [Line Items]
Revenues	37,322	44,338	78,516	80,928
Depreciation and amortization	917	1,101	1,885	2,150
Earnings (loss) before taxes and noncontrolling interests	5,170	12,770	14,992	20,250
Corporate
Segment Reporting Information [Line Items]
Revenues	4,470	3,889	4,575	8,177
Depreciation and amortization	1,836	1,869	3,725	3,735
Earnings (loss) before taxes and noncontrolling interests	(29,459)	(24,645)	(62,467)	(54,959)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	3,181	3,084	5,809	5,623
Intersegment Eliminations | Mortgage Services
Segment Reporting Information [Line Items]
Revenues	2,396	1,737	4,227	3,586
Intersegment Eliminations | Corporate
Segment Reporting Information [Line Items]
Revenues	$ 785	$ 1,347	$ 1,582	$ 2,037