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Reinsurance (Tables) | 3 Months Ended
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Mar. 31, 2022
Reinsurance Disclosures [Abstract] |
Reinsurance Recoverable, Credit Quality Indicator [Table Text Block] |
|  | March 31, 2022
($ in thousands) |  | Current |  | Past Due |  | Total Reinsurance Recoverables
Financial strength rating of rated reinsurers |  |  |  |  |  |
A++ |  | $ | 42,025 |  |  | $ | (3) |  |  | $ | 42,022 |
A+ |  | 349,963 |  |  | 735 |  |  | 350,698 |
A |  | 97,115 |  |  | 926 |  |  | 98,041 |
A- |  | 3,230 |  |  | 79 |  |  | 3,309 |
B++ |  | — |  |  | — |  |  | — |
B+ |  | — |  |  | — |  |  | — |
Total rated reinsurers |  | $ | 492,333 |  |  | $ | 1,737 |  |  | $ | 494,070 |
Non-rated reinsurers |  |  |  |  |  |
Federal and state pools |  | $ | 79,980 |  |  | $ | — |  |  | $ | 79,980 |
Other than federal and state pools |  | 4,744 |  |  | 165 |  |  | 4,909 |
Total non-rated reinsurers |  | $ | 84,724 |  |  | $ | 165 |  |  | $ | 84,889 |
Total reinsurance recoverable, gross |  | $ | 577,057 |  |  | $ | 1,902 |  |  | $ | 578,959 |
Less: allowance for credit losses |  |  |  |  |  | (1,600) |
Total reinsurance recoverable, net |  |  |  |  |  | $ | 577,359 |
|  | December 31, 2021
($ in thousands) |  | Current |  | Past Due |  | Total Reinsurance Recoverables
Financial strength rating of rated reinsurers |  |  |  |  |  |
A++ |  | $ | 38,601 |  |  | $ | 9 |  |  | $ | 38,610 |
A+ |  | 339,857 |  |  | 1,520 |  |  | 341,377 |
A |  | 95,675 |  |  | 1,227 |  |  | 96,902 |
A- |  | 3,209 |  |  | 145 |  |  | 3,354 |
B++ |  | — |  |  | — |  |  | — |
B+ |  | — |  |  | — |  |  | — |
Total rated reinsurers |  | $ | 477,342 |  |  | $ | 2,901 |  |  | $ | 480,243 |
Non-rated reinsurers |  |  |  |  |  |
Federal and state pools |  | $ | 116,378 |  |  | $ | — |  |  | $ | 116,378 |
Other than federal and state pools |  | 4,597 |  |  | 450 |  |  | 5,047 |
Total non-rated reinsurers |  | $ | 120,975 |  |  | $ | 450 |  |  | $ | 121,425 |
Total reinsurance recoverable, gross |  | $ | 598,317 |  |  | $ | 3,351 |  |  | $ | 601,668 |
Less: allowance for credit losses |  |  |  |  |  | (1,600) |
Total reinsurance recoverable, net |  |  |  |  |  | $ | 600,068 |
Reinsurance Recoverable, Allowance for Credit Loss [Table Text Block] |
($ in thousands) |  | Quarter ended March 31, |  |
|  | 2022 |  | 2021 |  |  |  |
Balance at beginning of period |  | $ | 1,600 |  |  | 1,777 |  |  |  |  |
Current period change for expected credit losses |  | — |  |  | 63 |  |  |  |  |
Write-offs charged against the allowance for credit losses |  | — |  |  | — |  |  |  |  |
Recoveries |  | — |  |  | — |  |  |  |  |
Allowance for credit losses, end of period |  | $ | 1,600 |  |  | 1,840 |  |  |  |  |
Schedule of List Of Direct, Assumed, And Ceded Reinsurance Amounts |
|  | Quarter ended March 31, |  |
($ in thousands) |  | 2022 |  | 2021 |  |  |  |
Premiums written: |  |  |  |  |  |  |  |
Direct |  | $ | 1,001,049 |  |  | 908,774 |  |  |  |  |
Assumed |  | 5,314 |  |  | 5,533 |  |  |  |  |
Ceded |  | (116,565) |  |  | (116,129) |  |  |  |  |
Net |  | $ | 889,798 |  |  | 798,178 |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |
Direct |  | $ | 931,376 |  |  | 837,369 |  |  |  |  |
Assumed |  | 5,528 |  |  | 5,676 |  |  |  |  |
Ceded |  | (124,621) |  |  | (118,085) |  |  |  |  |
Net |  | $ | 812,283 |  |  | 724,960 |  |  |  |  |
Loss and loss expenses incurred: |  |  |  |  |  |  |  |
Direct |  | $ | 528,588 |  |  | 441,507 |  |  |  |  |
Assumed |  | 4,278 |  |  | 3,447 |  |  |  |  |
Ceded |  | (38,630) |  |  | (31,553) |  |  |  |  |
Net |  | $ | 494,236 |  |  | 413,401 |  |  |  |  |
Schedule of Ceded Premiums and Losses Related to Flood Operations |
Ceded to NFIP |  | Quarter ended March 31, |  |
($ in thousands) |  | 2022 |  | 2021 |  |  |  |
Ceded premiums written |  | $ | (60,889) |  |  | (65,742) |  |  |  |  |
Ceded premiums earned |  | (69,268) |  |  | (67,519) |  |  |  |  |
Ceded loss and loss expenses incurred |  | (2,417) |  |  | (2,207) |  |  |  |  |

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- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Tabular disclosure of allowance for credit loss on reinsurance recoverable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Tabular disclosure of credit quality indicator for reinsurance recoverable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 + Details
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