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Loss And Loss Adjustment Expense Reserves (Activity In The Reserves For Losses And Loss Adjustment Expenses) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |  |
Gross reserves at January 1 | $ 1,991,304 | $ 1,921,255 | $ 1,829,412
Reissuance recoverables on unpaid losses, beginning of period | 54,461 | 76,100 | 180,859
Net reserves at January 1 | 1,936,843 | 1,845,155 | 1,648,553
Incurred losses and loss adjustment expenses related to: |  |  |
Current year | 2,786,246 | 2,372,364 | 2,696,230
Prior years | (26,091) | 22,979 | 9,794
Total incurred losses and loss adjustment expenses | 2,760,155 | 2,395,343 | 2,706,024
Loss and loss adjustment expense payments related to: |  |  |
Current year | 1,601,998 | 1,366,661 | 1,651,550
Prior years | 909,949 | 937,143 | 857,872
Total payments | 2,511,947 | 2,303,804 | 2,509,422
Net reserves at December 31 | 2,185,051 | 1,936,843 | 1,845,155
Reissuance recoverables on unpaid losses, end of period | 41,379 | 54,461 | 76,100
Gross reserves at December 31 | 2,226,430 | 1,991,304 | 1,921,255
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |  |
Reissuance recoverables on unpaid losses, beginning of period | 0 | (149) | 0
Loss and loss adjustment expense payments related to: |  |  |
Reissuance recoverables on unpaid losses, end of period |  | 0 | (149)
Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |  |
Reissuance recoverables on unpaid losses, beginning of period | $ 54,461 | 75,951 | 180,859
Net reserves at January 1 |  | 1,845,304 |
Loss and loss adjustment expense payments related to: |  |  |
Net reserves at December 31 |  |  | 1,845,304
Reissuance recoverables on unpaid losses, end of period |  | $ 54,461 | $ 75,951

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- Definition 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. + 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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- Definition Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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- Definition 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(13)(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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