Losses and Loss Adjustment Expenses - Losses and Loss Adjustment Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Effects of Reinsurance [Line Items]
Outstanding	$ 2,524,374	$ 2,621,760
Incurred but not reported	1,729,691	1,816,453
Fair value adjustment	(211,935)	(218,308)
Losses and loss adjustment expenses	4,042,130	4,219,905
Non-Life Run-Off Segment [Member]
Effects of Reinsurance [Line Items]
Outstanding	2,445,619	2,541,934
Incurred but not reported	1,625,177	1,717,870
Fair value adjustment	(248,918)	(255,291)
Losses and loss adjustment expenses	3,821,878	4,004,513
Active Underwriting [Member]
Effects of Reinsurance [Line Items]
Outstanding	78,755	79,826
Incurred but not reported	104,514	98,583
Fair value adjustment	36,983	36,983
Losses and loss adjustment expenses	$ 220,252	$ 215,392

Liability for title claims and claims adjustment expense fair value adjustments.

No definition available.

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- Details

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- Definition

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

+ References

+ Details

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- Definition

The amount needed to reflect the estimated ultimate cost of settling unasserted claims estimated to have been incurred by the insureds on or before the balance sheet date pertaining to the existence of a lien, encumbrance, defect or other matter purportedly affecting the title to the interest as insured.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 40

-Section 50

-Paragraph 3

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14764-158437

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Liability for Claim Adjustment Expenses

-URI http://asc.fasb.org/extlink&oid=6516805

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Incurred-but-Not-Reported Claims

-URI http://asc.fasb.org/extlink&oid=6515591

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 40

-Section 25

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6482024&loc=d3e12997-158429

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- Definition

Costs of settling insured claims and costs incurred in the claims settlement process for the specified year specifically for claims that have already been submitted to the insurance company for reimbursement.

+ References

+ Details

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