Investments (Unrealized Losses) (Details)
$ in Thousands |
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025
USD ($)
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 242,317
|
$ 95,074
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 4,346
|
$ 1,318
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
370
|
168
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 766,921
|
$ 804,017
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 158,300
|
$ 153,023
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
996
|
1,035
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 1,009,238
|
$ 899,091
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 162,646
|
$ 154,341
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
1,366
|
1,203
|
| US Treasury Securities |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 406
|
$ 0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 4
|
$ 0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
1
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 875
|
$ 883
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 109
|
$ 99
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
7
|
7
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 1,281
|
$ 883
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 113
|
$ 99
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
8
|
7
|
| US States and Political Subdivisions Debt Securities |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 45,410
|
$ 21,991
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 615
|
$ 147
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
55
|
28
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 133,801
|
$ 145,859
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 27,471
|
$ 27,289
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
171
|
180
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 179,211
|
$ 167,850
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 28,086
|
$ 27,436
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
226
|
208
|
| Corporate Debt Securities Financial Sector Member |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 56,766
|
$ 13,485
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 1,041
|
$ 196
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
86
|
23
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 142,796
|
$ 148,244
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 28,784
|
$ 26,651
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
177
|
182
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 199,562
|
$ 161,729
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 29,825
|
$ 26,847
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
263
|
205
|
| 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 |
$ 29,360
|
$ 19,282
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 673
|
$ 361
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
55
|
25
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 159,785
|
$ 165,229
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 39,447
|
$ 38,732
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
213
|
225
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 189,145
|
$ 184,511
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 40,120
|
$ 39,093
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
268
|
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 |
$ 18,502
|
$ 12,109
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 472
|
$ 170
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
40
|
35
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 80,867
|
$ 82,012
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 20,410
|
$ 19,878
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
152
|
152
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 99,369
|
$ 94,121
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 20,882
|
$ 20,048
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
192
|
187
|
| 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 |
$ 25,290
|
$ 11,650
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 424
|
$ 214
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
45
|
24
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 40,629
|
$ 44,795
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 7,367
|
$ 7,408
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
53
|
55
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 65,919
|
$ 56,445
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 7,791
|
$ 7,622
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
98
|
79
|
| Corporate Debt Security Communications Sector |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 17,495
|
$ 10,682
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 470
|
$ 126
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
26
|
14
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 40,927
|
$ 39,964
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 9,091
|
$ 8,328
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
49
|
50
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 58,422
|
$ 50,646
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 9,561
|
$ 8,454
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
75
|
64
|
| 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 |
$ 25,831
|
$ 4,289
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 292
|
$ 38
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
39
|
13
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 67,261
|
$ 72,186
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 16,084
|
$ 15,989
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
88
|
93
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 93,092
|
$ 76,475
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 16,376
|
$ 16,027
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
127
|
106
|
| Commercial Mortgage Backed Securities |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 8,473
|
$ 0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 97
|
$ 0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
2
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 73
|
$ 79
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 2
|
$ 2
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
1
|
1
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 8,546
|
$ 79
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 99
|
$ 2
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
3
|
1
|
| Residential Mortgage Backed Securities |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 8,367
|
$ 17
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 165
|
$ 0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
12
|
4
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 87,476
|
$ 93,197
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 8,965
|
$ 8,183
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
71
|
77
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 95,843
|
$ 93,214
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 9,130
|
$ 8,183
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
83
|
81
|
| Asset-backed Securities |
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |
|
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
$ 6,417
|
$ 1,569
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
$ 93
|
$ 66
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions |
9
|
2
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
$ 12,431
|
$ 11,569
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
$ 570
|
$ 464
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions |
14
|
13
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 18,848
|
$ 13,138
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss |
$ 663
|
$ 530
|
| Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |
23
|
15
|