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Reinsurance - Excess of Loss Reinsurance (Details) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 26, 2022 | Apr. 01, 2022 | Aug. 03, 2021 | Feb. 02, 2021 | Oct. 29, 2020 | May 25, 2019 | Oct. 30, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Home Re 2022-1 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity | 12 years 6 months |  |  |  |  |  |  |  |  |
Initial First Layer Retention | $ 325,589 |  |  |  |  |  |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | $ 325,576 |  |
Remaining Excess of Loss Reinsurance Coverage | $ 473,575 |  |  |  |  |  |  | 473,575 |  |
Home Re 2021-2 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  |  | 12 years 6 months |  |  |  |  |  |  |
Initial First Layer Retention |  |  | $ 190,159 |  |  |  |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 190,097 | $ 190,159 |
Remaining Excess of Loss Reinsurance Coverage |  |  | $ 398,429 |  |  |  |  | 352,084 | 398,429 |
Home Re 2021-1 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  |  |  | 12 years 6 months |  |  |  |  |  |
Initial First Layer Retention |  |  |  | $ 211,159 |  |  |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 211,102 | 211,142 |
Remaining Excess of Loss Reinsurance Coverage |  |  |  | $ 398,848 |  |  |  | 277,053 | 387,830 |
Home Re 2020-1 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  |  |  |  | 10 years |  |  |  |  |
Initial First Layer Retention |  |  |  |  | $ 275,283 |  |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 274,871 | 275,204 | $ 275,283
Remaining Excess of Loss Reinsurance Coverage |  |  |  |  | $ 412,917 |  |  | 113,247 | 234,312 | 412,917
Home Re 2019-1 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  |  |  |  |  | 10 years |  |  |  |
Initial First Layer Retention |  |  |  |  |  | $ 185,730 |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 183,540 | 183,917 | 184,514
Remaining Excess of Loss Reinsurance Coverage |  |  |  |  |  | $ 315,739 |  | 208,146 | 208,146 | 208,146
Home Re 2018-1 |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  |  |  |  |  |  | 10 years |  |  |
Initial First Layer Retention |  |  |  |  |  |  | $ 168,691 |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 164,849 | 165,365 | 166,005
Remaining Excess of Loss Reinsurance Coverage |  |  |  |  |  |  | $ 318,636 | 140,993 | $ 218,343 | $ 218,343
2022 Traditional XOL |  |  |  |  |  |  |  |  |  |
Effects of Reinsurance [Line Items] |  |  |  |  |  |  |  |  |  |
Legal Maturity |  | 10 years |  |  |  |  |  |  |  |
Initial First Layer Retention |  | $ 82,523 |  |  |  |  |  |  |  |
Remaining First Layer Retention |  |  |  |  |  |  |  | 82,517 |  |
Remaining Excess of Loss Reinsurance Coverage |  | $ 142,642 |  |  |  |  |  | $ 142,642 |  |

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- Definition Amount per life of risk undertaken originally by insurer that is not ceded to reinsurer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387 + Details
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