Selected Statement of Operations and Comprehensive (Loss) Earnings Information Related to Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Revenues	$ 446,838	$ 517,220	$ 840,414	$ 940,933
Depreciation and amortization	5,055	4,221	9,450	8,578
Earnings (loss) before taxes and noncontrolling interests	11,536	48,862	(7,050)	56,009
Operating Segments \| Title
Segment Reporting Information [Line Items]
Revenues	402,831	475,429	763,849	857,843
Depreciation and amortization	1,702	1,468	3,031	2,968
Earnings (loss) before taxes and noncontrolling interests	44,932	73,151	62,538	103,484
Operating Segments \| Mortgage Services
Segment Reporting Information [Line Items]
Revenues	39,378	37,321	68,110	78,515
Depreciation and amortization	1,603	917	2,762	1,885
Earnings (loss) before taxes and noncontrolling interests	(1,379)	5,170	(2,943)	14,992
Operating Segments \| Corporate
Segment Reporting Information [Line Items]
Revenues	4,629	4,470	8,455	4,575
Depreciation and amortization	1,750	1,836	3,657	3,725
Earnings (loss) before taxes and noncontrolling interests	(32,017)	(29,459)	(66,645)	(62,467)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues	3,637	3,181	6,595	5,809
Intersegment Eliminations \| Mortgage Services
Segment Reporting Information [Line Items]
Revenues	2,930	2,396	5,170	4,227
Intersegment Eliminations \| Corporate
Segment Reporting Information [Line Items]
Revenues	$ 707	$ 785	$ 1,425	$ 1,582

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_DepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

+ Details

Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration