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v3.23.2

Investments (Unrealized Losses) (Details) $ in Thousands | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt security maturities rated investment grade, percent | 99.00% | 99.00%
US Treasury Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 740 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 20 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 3 | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 65 | $ 64
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 9 | $ 9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 2 | 2
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 805 | $ 64
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 29 | $ 9
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 5 | 2
US Government Agencies Debt Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 220 | $ 223
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 3 | $ 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 1 | 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 0 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 0 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 0 | 0
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 220 | $ 223
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 3 | $ 1
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 1 | 1
US States and Political Subdivisions Debt Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 94,929 | $ 189,084
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 3,360 | $ 30,866
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 121 | 242
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 112,451 | $ 14,184
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 28,122 | $ 7,098
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 141 | 14
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 207,380 | $ 203,268
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 31,482 | $ 37,964
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 262 | 256
Corporate Debt Securities Financial Sector Member [Domain] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 38,326 | $ 182,447
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 1,768 | $ 39,122
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 59 | 237
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 152,433 | $ 6,144
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 37,075 | $ 3,261
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 195 | 16
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 190,759 | $ 188,591
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 38,843 | $ 42,383
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 254 | 253
Corporate Debt Security Consumer Sector |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 48,950 | $ 164,224
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 2,896 | $ 34,823
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 57 | 220
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 139,405 | $ 23,417
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 39,276 | $ 12,315
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 189 | 30
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 188,355 | $ 187,641
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 42,172 | $ 47,138
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 246 | 250
Corporate Debt Security Utilities Sector |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 16,392 | $ 73,483
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 593 | $ 15,959
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 58 | 152
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 75,728 | $ 16,413
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 21,737 | $ 7,831
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 121 | 18
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 92,120 | $ 89,896
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 22,330 | $ 23,790
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 179 | 170
Corporate Debt Security Energy Sector |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 12,636 | $ 59,053
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 426 | $ 9,601
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 17 | 75
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 53,020 | $ 5,617
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 9,760 | $ 1,794
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 66 | 8
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 65,656 | $ 64,670
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 10,186 | $ 11,395
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 83 | 83
Corporate Debt Security All Other Sector |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 43,739 | $ 140,955
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 1,959 | $ 25,337
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 55 | 171
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 108,752 | $ 7,910
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 23,480 | $ 3,711
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 133 | 15
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 152,491 | $ 148,865
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 25,439 | $ 29,048
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 188 | 186
Commercial Mortgage Backed Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 167 | $ 168
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 4 | $ 2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 2 | 2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 0 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 0 | $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 0 | 0
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 167 | $ 168
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 4 | $ 2
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 2 | 2
Residential Mortgage Backed Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 82,833 | $ 98,758
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 7,194 | $ 10,514
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 78 | 95
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 17,384 | $ 759
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 2,868 | $ 251
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 26 | 5
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 100,217 | $ 99,517
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 10,062 | $ 10,765
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 104 | 100
Asset-backed Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 11,309 | $ 37,067
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 285 | $ 2,485
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 20 | 41
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 31,365 | $ 4,264
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 2,074 | $ 282
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 35 | 9
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 42,674 | $ 41,331
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 2,359 | $ 2,767
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 55 | 50
Debt Securities [Member] |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 350,241 | $ 945,462
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $ 18,508 | $ 168,710
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | 471 | 1,236
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | $ 690,603 | $ 78,772
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $ 164,401 | $ 36,552
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 908 | 117
Debt Securities, Available-for-sale, Unrealized Loss Position | $ 1,040,844 | $ 1,024,234
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 182,909 | $ 205,262
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 1,379 | 1,353

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