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.

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- Definition

The carrying value as of the balance sheet date of the estimated valuation allowance to reduce gross premiums receivable to net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.5)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 5
-Article 7

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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Period Type:	instant

- Definition

Gross amount, as of the balance sheet date, due the entity from (a) agents and insureds, (b) uncollected premiums and (c) others, before deducting the allowance for doubtful accounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.5)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 5
-Article 7

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Period Type:	instant

- Definition

Amount after valuation allowance recoverable including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6824-158387

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a),6)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 6
-Article 7

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Reinsurance (Schedule Of Rating For Existing Reinsurance) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	$ 7,481,223
Less: Allowance	(10,820)	$ (10,820)
Net reinsurance recoverable	7,470,403	7,254,585
AM Best A or A
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	3,612,902
AM Best A or A-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	1,750,511
AM Best B Rating or B
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	26,528
AM Best B or B-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	640
Not Rated
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	2,090,642
Ceded future policyholder benefits and expense
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	4,037,682
Less: Allowance	0
Net reinsurance recoverable	4,037,682	4,052,976
Ceded future policyholder benefits and expense \| AM Best A or A
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	2,567,918
Ceded future policyholder benefits and expense \| AM Best A or A-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	1,460,465
Ceded future policyholder benefits and expense \| AM Best B Rating or B
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	747
Ceded future policyholder benefits and expense \| AM Best B or B-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	251
Ceded future policyholder benefits and expense \| Not Rated
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	8,301
Ceded unearned premium
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	1,667,228
Less: Allowance	0
Net reinsurance recoverable	1,667,228	1,587,583
Ceded unearned premium \| AM Best A or A
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	50,041
Ceded unearned premium \| AM Best A or A-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	79,623
Ceded unearned premium \| AM Best B Rating or B
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	23,153
Ceded unearned premium \| AM Best B or B-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	258
Ceded unearned premium \| Not Rated
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	1,514,153
Ceded claims and benefits payable
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	1,429,128
Less: Allowance	0
Net reinsurance recoverable	1,429,128	1,283,510
Ceded claims and benefits payable \| AM Best A or A
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	977,498
Ceded claims and benefits payable \| AM Best A or A-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	185,131
Ceded claims and benefits payable \| AM Best B Rating or B
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	2,628
Ceded claims and benefits payable \| AM Best B or B-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	86
Ceded claims and benefits payable \| Not Rated
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	263,785
Ceded paid losses
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	347,185
Less: Allowance	(10,820)
Net reinsurance recoverable	336,365	$ 330,516
Ceded paid losses \| AM Best A or A
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	17,445
Ceded paid losses \| AM Best A or A-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	25,292
Ceded paid losses \| AM Best B Rating or B
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	0
Ceded paid losses \| AM Best B or B-
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	45
Ceded paid losses \| Not Rated
Ceded Credit Risk [Line Items]
Best Ratings of Reinsurer	$ 304,403