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Loss And Loss Adjustment Expense Reserves (Tables) | 12 Months Ended
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Dec. 31, 2018
Insurance Loss Reserves [Abstract] |
Activity In The Reserves For Losses And Loss Adjustment Expenses | The following table presents the activity in loss and loss adjustment expense reserves:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| (Amounts in thousands)
Gross reserves at January 1 | $ | 1,510,613 |  |  | $ | 1,290,248 |  |  | $ | 1,146,688 |
Less reinsurance recoverables on unpaid losses | (64,001 | ) |  | (13,161 | ) |  | (14,253 | )
Net reserves at January 1 | 1,446,612 |  |  | 1,277,087 |  |  | 1,132,435 |
Incurred losses and loss adjustment expenses related to: |  |  |  |  |
Current year | 2,483,693 |  |  | 2,390,453 |  |  | 2,269,769 |
Prior years | 93,096 |  |  | 54,431 |  |  | 85,369 |
Total incurred losses and loss adjustment expenses | 2,576,789 |  |  | 2,444,884 |  |  | 2,355,138 |
Loss and loss adjustment expense payments related to: |  |  |  |  |
Current year | 1,543,828 |  |  | 1,550,789 |  |  | 1,508,362 |
Prior years | 831,020 |  |  | 724,570 |  |  | 702,124 |
Total payments | 2,374,848 |  |  | 2,275,359 |  |  | 2,210,486 |
Net reserves at December 31 | 1,648,553 |  |  | 1,446,612 |  |  | 1,277,087 |
Reinsurance recoverables on unpaid losses | 180,859 |  |  | 64,001 |  |  | 13,161 |
Gross reserves at December 31 | $ | 1,829,412 |  |  | $ | 1,510,613 |  |  | $ | 1,290,248 |
Incurred and Paid Claims Development | The information about incurred and paid claims development for the years ended December 31, 2009 to 2017 is presented as unaudited supplementary information.
Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance (Automobile Insurance) |  | As of December 31, 2018
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims |  | Cumulative Number of Reported Claims
Accident Year |  | For the Years Ended December 31, |  |
| 2009(1) |  | 2010(1) |  | 2011(1) |  | 2012(1) |  | 2013(1) |  | 2014(1) |  | 2015(1) |  | 2016(1) |  | 2017(1) |  | 2018 |  |
|  | (Amounts in thousands) |  | (Amounts in thousands)
2009 |  | $ | 1,372,833 |  |  | $ | 1,349,025 |  |  | $ | 1,361,116 |  |  | $ | 1,361,652 |  |  | $ | 1,365,551 |  |  | $ | 1,371,779 |  |  | $ | 1,372,694 |  |  | $ | 1,372,259 |  |  | $ | 1,371,812 |  |  | $ | 1,371,971 |  |  | $ | 109 |  |  | 186
2010 |  |  |  | 1,367,547 |  |  | 1,357,750 |  |  | 1,364,307 |  |  | 1,374,638 |  |  | 1,379,336 |  |  | 1,381,056 |  |  | 1,386,105 |  |  | 1,388,077 |  |  | 1,388,055 |  |  | 171 |  |  | 184
2011 |  |  |  |  |  | 1,343,919 |  |  | 1,367,000 |  |  | 1,380,557 |  |  | 1,388,363 |  |  | 1,393,878 |  |  | 1,398,518 |  |  | 1,405,112 |  |  | 1,401,178 |  |  | 443 |  |  | 181
2012 |  |  |  |  |  |  |  | 1,424,754 |  |  | 1,408,222 |  |  | 1,409,104 |  |  | 1,414,878 |  |  | 1,426,735 |  |  | 1,436,034 |  |  | 1,438,250 |  |  | 1,075 |  |  | 181
2013 |  |  |  |  |  |  |  |  |  | 1,448,567 |  |  | 1,431,058 |  |  | 1,447,881 |  |  | 1,458,421 |  |  | 1,464,071 |  |  | 1,468,294 |  |  | 2,818 |  |  | 185
2014 |  |  |  |  |  |  |  |  |  |  |  | 1,467,175 |  |  | 1,454,366 |  |  | 1,473,545 |  |  | 1,486,322 |  |  | 1,498,504 |  |  | 6,626 |  |  | 180
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,551,105 |  |  | 1,588,443 |  |  | 1,610,839 |  |  | 1,634,435 |  |  | 19,491 |  |  | 170
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,672,853 |  |  | 1,669,642 |  |  | 1,713,696 |  |  | 50,261 |  |  | 154
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,703,857 |  |  | 1,727,277 |  |  | 133,587 |  |  | 148
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,781,817 |  |  | 390,346 |  |  | 139
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  | $ | 15,423,477 |  |  |  |  |
__________ (1) The information for the years 2009 to 2017 is presented as unaudited supplemental information.
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance (Automobile Insurance)
|  | For the Years Ended December 31,
Accident Year |  | 2009(1) |  | 2010(1) |  | 2011(1) |  | 2012(1) |  | 2013(1) |  | 2014(1) |  | 2015(1) |  | 2016(1) |  | 2017(1) |  | 2018
|  | (Amounts in thousands)
2009 |  | $ | 913,340 |  |  | $ | 1,137,807 |  |  | $ | 1,260,424 |  |  | $ | 1,326,439 |  |  | $ | 1,355,210 |  |  | $ | 1,363,526 |  |  | $ | 1,370,564 |  |  | $ | 1,371,956 |  |  | $ | 1,371,933 |  |  | $ | 1,372,090 |
2010 |  |  |  | 908,954 |  |  | 1,143,984 |  |  | 1,268,142 |  |  | 1,335,871 |  |  | 1,365,464 |  |  | 1,375,799 |  |  | 1,384,333 |  |  | 1,387,835 |  |  | 1,388,140 |
2011 |  |  |  |  |  | 926,983 |  |  | 1,152,459 |  |  | 1,277,808 |  |  | 1,347,082 |  |  | 1,378,920 |  |  | 1,391,101 |  |  | 1,394,684 |  |  | 1,400,441 |
2012 |  |  |  |  |  |  |  | 955,647 |  |  | 1,194,648 |  |  | 1,304,511 |  |  | 1,372,828 |  |  | 1,409,911 |  |  | 1,422,705 |  |  | 1,434,956 |
2013 |  |  |  |  |  |  |  |  |  | 974,445 |  |  | 1,217,906 |  |  | 1,340,724 |  |  | 1,413,999 |  |  | 1,447,004 |  |  | 1,460,352 |
2014 |  |  |  |  |  |  |  |  |  |  |  | 967,481 |  |  | 1,231,413 |  |  | 1,358,472 |  |  | 1,432,472 |  |  | 1,476,944 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,040,253 |  |  | 1,336,223 |  |  | 1,466,368 |  |  | 1,560,480 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,094,006 |  |  | 1,395,199 |  |  | 1,554,217 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,076,079 |  |  | 1,399,202 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,082,127 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  | $ | 14,128,949 |
|  |  |  |  |  |  |  | All outstanding liabilities before 2009, net of reinsurance |  |  | (505 | )
|  |  |  |  |  |  |  | Loss and allocated loss adjustment expense reserves, net of reinsurance |  |  | $ | 1,294,025 |
__________ (1) The information for the years 2009 to 2017 is presented as unaudited supplemental information.
Incurred Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance (Homeowners' Insurance) |  | As of December 31, 2018
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total of Incurred But Not Reported Liabilities Plus Expected Development on Reported Claims |  | Cumulative Number of Reported Claims
Accident Year |  | For the Years Ended December 31, |  |
| 2009(1) |  | 2010(1) |  | 2011(1) |  | 2012(1) |  | 2013(1) |  | 2014(1) |  | 2015(1) |  | 2016(1) |  | 2017(1) |  | 2018 |  |
|  | (Amounts in thousands) |  | (Amounts in thousands)
2009 |  | $ | 135,889 |  |  | $ | 135,000 |  |  | $ | 131,680 |  |  | $ | 133,087 |  |  | $ | 133,121 |  |  | $ | 134,718 |  |  | $ | 134,597 |  |  | $ | 134,478 |  |  | $ | 134,359 |  |  | $ | 134,374 |  |  | $ | 62 |  |  | 17
2010 |  |  |  | 165,727 |  |  | 157,566 |  |  | 160,983 |  |  | 160,472 |  |  | 160,206 |  |  | 160,015 |  |  | 159,608 |  |  | 159,662 |  |  | 159,720 |  |  | 136 |  |  | 21
2011 |  |  |  |  |  | 167,414 |  |  | 170,623 |  |  | 170,052 |  |  | 169,600 |  |  | 169,390 |  |  | 169,621 |  |  | 170,126 |  |  | 170,334 |  |  | 310 |  |  | 23
2012 |  |  |  |  |  |  |  | 196,063 |  |  | 188,010 |  |  | 190,376 |  |  | 191,548 |  |  | 192,057 |  |  | 191,804 |  |  | 192,905 |  |  | 674 |  |  | 25
2013 |  |  |  |  |  |  |  |  |  | 191,903 |  |  | 188,915 |  |  | 188,026 |  |  | 186,795 |  |  | 187,165 |  |  | 188,014 |  |  | 780 |  |  | 23
2014 |  |  |  |  |  |  |  |  |  |  |  | 199,298 |  |  | 202,621 |  |  | 203,218 |  |  | 202,513 |  |  | 204,986 |  |  | 1,341 |  |  | 25
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  | 234,800 |  |  | 234,881 |  |  | 233,501 |  |  | 236,855 |  |  | 3,131 |  |  | 24
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,691 |  |  | 259,489 |  |  | 259,497 |  |  | 6,525 |  |  | 24
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 309,491 |  |  | 295,163 |  |  | 12,186 |  |  | 30
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 311,798 |  |  | 59,689 |  |  | 23
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  | $ | 2,153,646 |  |  |  |  |
__________ (1) The information for the years 2009 to 2017 is presented as unaudited supplemental information.
Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance (Homeowners' Insurance)
|  | For the Years Ended December 31,
Accident Year |  | 2009(1) |  | 2010(1) |  | 2011(1) |  | 2012(1) |  | 2013(1) |  | 2014(1) |  | 2015(1) |  | 2016(1) |  | 2017(1) |  | 2018
|  | (Amounts in thousands)
2009 |  | $ | 86,034 |  |  | $ | 119,306 |  |  | $ | 126,591 |  |  | $ | 130,928 |  |  | $ | 132,180 |  |  | $ | 134,381 |  |  | $ | 134,378 |  |  | $ | 134,301 |  |  | $ | 134,229 |  |  | $ | 134,193 |
2010 |  |  |  | 95,057 |  |  | 137,628 |  |  | 149,084 |  |  | 155,191 |  |  | 156,853 |  |  | 158,053 |  |  | 158,943 |  |  | 159,268 |  |  | 159,435 |
2011 |  |  |  |  |  | 111,909 |  |  | 153,845 |  |  | 162,870 |  |  | 166,375 |  |  | 167,806 |  |  | 168,621 |  |  | 168,914 |  |  | 169,757 |
2012 |  |  |  |  |  |  |  | 128,618 |  |  | 175,029 |  |  | 182,756 |  |  | 188,121 |  |  | 190,373 |  |  | 190,649 |  |  | 191,660 |
2013 |  |  |  |  |  |  |  |  |  | 133,528 |  |  | 174,295 |  |  | 180,858 |  |  | 183,860 |  |  | 185,168 |  |  | 186,132 |
2014 |  |  |  |  |  |  |  |  |  |  |  | 139,615 |  |  | 186,996 |  |  | 194,605 |  |  | 198,758 |  |  | 202,193 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  | 163,196 |  |  | 213,994 |  |  | 224,178 |  |  | 230,480 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 173,537 |  |  | 234,215 |  |  | 245,878 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 217,900 |  |  | 269,254 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 213,038 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  | $ | 2,002,020 |
|  |  |  |  |  |  |  | All outstanding liabilities before 2009, net of reinsurance |  |  | 2,416 |
|  |  |  |  |  |  |  | Loss and allocated loss adjustment expense reserves, net of reinsurance |  |  | $ | 154,043 |
__________ (1) The information for the years 2009 to 2017 is presented as unaudited supplemental information.
Schedule of Historical Claims Duration | The following is unaudited supplementary information about average historical claims duration as of December 31, 2018.
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance
Years |  | 1 |  | 2 |  | 3 |  | 4 |  | 5 |  | 6 |  | 7 |  | 8 |  | 9 |  | 10
Automobile insurance |  | 64.7 | % |  | 17.3 | % |  | 8.7 | % |  | 5.0 | % |  | 2.5 | % |  | 0.8 | % |  | 0.6 | % |  | 0.3 | % |  | 0.1 | % |  | — | %
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance
Years |  | 1 |  | 2 |  | 3 |  | 4 |  | 5 |  | 6 |  | 7 |  | 8 |  | 9 |  | 10
Homeowners insurance |  | 67.3 | % |  | 23.0 | % |  | 4.7 | % |  | 2.6 | % |  | 1.1 | % |  | 0.7 | % |  | 0.3 | % |  | 0.2 | % |  | 0.1 | % |  | — | %
Reconciliation of the Disclosure of Incurred and Paid Claims Development to the Loss and Loss Adjustment Expense Reserves | The reconciliation of the net incurred and paid claims development tables to the liability for claims and claim adjustment expenses in the consolidated balance sheets is as follows. Reconciliation of the Disclosure of Incurred and Paid Claims Development to the Loss and Loss Adjustment Expense Reserves
|  | December 31, 2018
|  | (Amounts in thousands)
Net outstanding liabilities |  |
Automobile insurance |  | $ | 1,294,025 |
Homeowners' insurance |  | 154,043 |
WAIC automobile insurance |  | 17,508 |
Other short-duration insurance lines |  | 90,003 |
Loss and loss adjustment expense reserves, net of reinsurance recoverables on unpaid losses |  | 1,555,579 |
Reinsurance recoverables on unpaid losses |  |
Automobile insurance |  | 41,316 |
Homeowners' insurance |  | 138,096 |
Other short-duration insurance lines |  | 1,447 |
Total reinsurance recoverables on unpaid losses |  | 180,859 |
Insurance lines other than short-duration |  | 1,079 |
Unallocated claims adjustment expenses |  | 91,895 |
|  | 92,974 |
Total gross loss and loss adjustment expense reserves |  | $ | 1,829,412 |

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- Definition Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=99382578&loc=d3e14764-158437 + Details
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- Definition Tabular disclosure of undiscounted information about claims development by accident year for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=99384497&loc=SL65671311-158438 + Details
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- Definition Tabular disclosure for the reconciliation of claims development to the liability for unpaid claims and claim adjustment expense for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=99384497&loc=SL65671315-158438 + Details
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- Definition Tabular disclosure of average annual percentage payout of incurred claims by age, after reinsurance, for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI http://asc.fasb.org/extlink&oid=99384497&loc=SL65671329-158438 + Details
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