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SUBSQUENT EVENT (DETAILS) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Oct. 27, 2016	Sep. 30, 2016	Sep. 30, 2015
Subsequent Event [Line Items]
Preliminary loss estimate		$ 1,887,715	$ 1,818,672
Hurricane [Member] | Minimum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Preliminary loss estimate	$ 45,000
Hurricane [Member] | Maximum [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Preliminary loss estimate	$ 60,000

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Definition

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

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 235
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-18)
-URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e575016-122915

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