Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

Undiscounted amount, after reinsurance, of incurred claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 4B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65670685&loc=SL65671311-158438

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- Definition

Number of reported claims for short-duration insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65670685&loc=SL65671317-158438

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- Definition

Short-duration insurance contracts incurred-but-not-reported (IBNR) claims liability net of expected development on reported claims.

+ References

No definition available.

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Liability for Unpaid Losses and Loss Adjustment Expenses - Summary of Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance (Detail) $ in Thousands	Dec. 31, 2016 USD ($) Claim	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	$ 753,716
Accident Year 2012 [Member]
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	95,727	$ 99,517	$ 101,888	$ 102,118	$ 109,073
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development (Redundancy) on Reported Claims	$ (3,399)
Cumulative Number of Reported Claims \| Claim	24,272
Accident Year 2013 [Member]
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	$ 88,493	96,012	96,993	$ 100,111
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development (Redundancy) on Reported Claims	$ (7,650)
Cumulative Number of Reported Claims \| Claim	20,415
Accident Year 2014 [Member]
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	$ 112,251	118,289	$ 111,739
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development (Redundancy) on Reported Claims	$ (9,947)
Cumulative Number of Reported Claims \| Claim	22,347
Accident Year 2015 [Member]
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	$ 187,431	$ 170,381
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development (Redundancy) on Reported Claims	$ (10,114)
Cumulative Number of Reported Claims \| Claim	26,502
Accident Year 2016 [Member]
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance	$ 269,814
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development (Redundancy) on Reported Claims	$ 13,321
Cumulative Number of Reported Claims \| Claim	35,690