Insurance Operations - Change in Liability for Unpaid Losses and LAE (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Insurance [Abstract]
Balance at beginning of period	$ 144,625	$ 166,260	$ 159,222	$ 193,241
Less: Reinsurance recoverable	(58,705)	(67,820)	(68,584)	(81,415)
Net balance at beginning of period	85,920	98,440	90,638	111,826
Incurred (recovered) related to current year	32,637	28,665	87,825	81,995
Incurred (recovered) related to prior years	1,544	(330)	860	(1,977)
Total incurred	34,181	28,335	88,685	80,018
Paid related to Current year	24,365	21,813	44,432	39,288
Paid related to Prior years	8,160	10,789	47,315	58,383
Total paid	32,525	32,602	91,747	97,671
Net balance at end of period	87,576	94,173	87,576	94,173
Plus: Reinsurance recoverable	49,339	63,201	49,339	63,201
Balance at end of period	$ 136,915	$ 157,374	$ 136,915	$ 157,374

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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.

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Amount of payments to settle claims incurred in the current period and related claims settlement costs.

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Amount of payments to settle claims incurred in prior periods and related claims settlement costs.

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Amount of expense for claims incurred and costs incurred in the claim settlement process.

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Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.

+ 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)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

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Amount of payments to settle insured claims and pay costs incurred in the claims settlement process.

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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Amount after valuation allowance of reinsurance recoverables for losses reported to the ceding insurer but not yet paid, amounts expected of incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.

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-SubTopic 310

-Section 45

-Paragraph 6

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Amount of expense for claims incurred in the current reporting period and related claims settlement costs.

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-Name Accounting Standards Codification

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-Name Regulation S-X (SX)

-Number 210

-Section 18

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Amount of expense for claims incurred in prior reporting periods and related claims settlement costs.

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