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Investments Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | $ 1,381,318 | $ 1,343,755
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 3,563 | 129,896
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 205,262 | 3,034
Fixed maturity securities, available for sale | 1,179,619 | 1,470,617
US Treasury Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 9,425 | 9,515
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 152 | 1,097
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 9 | 1
Fixed maturity securities, available for sale | 9,568 | 10,611
US Government Agencies Debt Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 3,434 | 3,463
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 277 | 996
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 1 | 0
Fixed maturity securities, available for sale | 3,710 | 4,459
US States and Political Subdivisions Debt Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 344,208 | 356,594
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,114 | 28,056
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 37,964 | 692
Fixed maturity securities, available for sale | 307,358 | 383,958
Corporate Debt Security Financial Sector |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 243,758 | 213,652
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 512 | 22,477
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 42,383 | 172
Fixed maturity securities, available for sale | 201,887 | 235,957
Corporate Debt Security Consumer Sector |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 247,824 | 219,223
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 758 | 23,658
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 47,138 | 900
Fixed maturity securities, available for sale | 201,444 | 241,981
Corporate Debt Security Utilities Sector |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 115,738 | 105,738
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 39 | 7,358
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 23,790 | 801
Fixed maturity securities, available for sale | 91,987 | 112,295
Corporate Debt Security Energy Sector |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 76,065 | 76,989
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 7,334
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 11,395 | 68
Fixed maturity securities, available for sale | 64,670 | 84,255
Corporate Debt Security All Other Sector |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 184,022 | 196,403
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 683 | 22,497
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 29,048 | 380
Fixed maturity securities, available for sale | 155,657 | 218,520
Commercial Mortgage Backed Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 171 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 2 |
Fixed maturity securities, available for sale | 169 |
Residential Mortgage Backed Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 110,582 | 117,755
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 9 | 16,046
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 10,765 | 6
Fixed maturity securities, available for sale | 99,826 | 133,795
Asset-backed Securities [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 45,991 | 44,322
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 18 | 368
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 2,767 | 14
Fixed maturity securities, available for sale | 43,242 | 44,676
Foreign Governments [Member] |  |
Gross Unrealized Gains and Losses [Line Items] |  |
Fixed maturities available-for-sale, cost | 100 | 101
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1 | 9
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Fixed maturity securities, available for sale | $ 101 | $ 110

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