Investments - Summary of Amortized Cost and Estimated Fair Value of Available-for-Sale Investments, Excluding VIE Investments (Details) - USD ($)
$ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
$ 79,928
|
$ 52,969
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
0
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
596
|
1,205
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
40,146
|
5,311
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
441
|
48
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
39,782
|
47,658
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
2,305
|
2,268
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
2,746
|
2,316
|
| Debt Securities, Available-for-Sale |
229,387
|
268,737
|
| Debt Securities, Available-for-sale, Amortized Cost |
231,537
|
269,848
|
| Debt Securities, Available-for-Sale, Current |
229,387
|
268,737
|
| Short-term Investments [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
0
|
0
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
0
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
0
|
8
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
0
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
0
|
0
|
| 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, Accumulated Gross Unrealized Loss, before Tax |
0
|
0
|
| Debt Securities, Available-for-Sale |
92,295
|
146,442
|
| Debt Securities, Available-for-sale, Amortized Cost |
92,295
|
146,434
|
| Fixed Income Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
79,928
|
52,969
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
0
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
596
|
1,197
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
40,146
|
5,311
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
441
|
48
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
39,782
|
47,658
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
2,305
|
2,268
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
2,746
|
2,316
|
| Debt Securities, Available-for-Sale |
137,092
|
122,295
|
| Debt Securities, Available-for-sale, Amortized Cost |
139,242
|
123,414
|
| Fixed Income Securities [Member] | Municipal Bonds [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
5,436
|
6,355
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
87
|
121
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
532
|
535
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
20
|
16
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
4,904
|
5,820
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
197
|
212
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
217
|
228
|
| Debt Securities, Available-for-Sale |
10,476
|
11,590
|
| Debt Securities, Available-for-sale, Amortized Cost |
10,606
|
11,697
|
| Fixed Income Securities [Member] | Corporate Debt Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
48,687
|
32,558
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
298
|
634
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
22,033
|
1,807
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
249
|
10
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
26,654
|
30,751
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
2,000
|
1,932
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
2,249
|
1,942
|
| Debt Securities, Available-for-Sale |
76,940
|
66,573
|
| Debt Securities, Available-for-sale, Amortized Cost |
78,891
|
67,881
|
| Fixed Income Securities [Member] | US Government Debt Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
21,292
|
11,697
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
166
|
365
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
14,522
|
2,206
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
124
|
14
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
6,770
|
9,491
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
94
|
117
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
218
|
131
|
| Debt Securities, Available-for-Sale |
39,042
|
35,424
|
| Debt Securities, Available-for-sale, Amortized Cost |
39,094
|
35,190
|
| Fixed Income Securities [Member] | Residential Mortgage-Backed Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
1,927
|
1,596
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
5
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
473
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
8
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer |
1,454
|
1,596
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
13
|
7
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
21
|
7
|
| Debt Securities, Available-for-Sale |
2,627
|
1,597
|
| Debt Securities, Available-for-sale, Amortized Cost |
2,643
|
1,604
|
| Fixed Income Securities [Member] | Collateralized Debt Obligations [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
68
|
0
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
5
|
12
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
68
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
0
|
0
|
| 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 |
1
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
1
|
0
|
| Debt Securities, Available-for-Sale |
1,630
|
1,975
|
| Debt Securities, Available-for-sale, Amortized Cost |
1,626
|
1,963
|
| Fixed Income Securities [Member] | Asset-backed Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
0
|
0
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
12
|
23
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
0
|
0
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
0
|
0
|
| 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, Accumulated Gross Unrealized Loss, before Tax |
0
|
0
|
| Debt Securities, Available-for-Sale |
1,392
|
1,795
|
| Debt Securities, Available-for-sale, Amortized Cost |
1,380
|
1,772
|
| Fixed Income Securities [Member] | Commercial Mortgage Backed Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Unrealized Loss Position |
2,518
|
763
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months |
2,518
|
763
|
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
40
|
8
|
| 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, Accumulated Gross Unrealized Loss, before Tax |
40
|
8
|
| Debt Securities, Available-for-Sale |
4,985
|
3,341
|
| Debt Securities, Available-for-sale, Amortized Cost |
5,002
|
3,307
|
| Fixed Income Securities [Member] | Collateralized Mortgage Backed Securities [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Allowance for Credit Loss |
|
0
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax |
23
|
42
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
40
|
8
|
| Debt Securities, Available-for-Sale |
4,985
|
3,341
|
| Debt Securities, Available-for-sale, Amortized Cost |
5,002
|
$ 3,307
|
| Fixed Income Investments And Other Investments [Member] |
|
|
| Debt Securities, Available-for-sale [Line Items] |
|
|
| Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax |
$ 2,746
|
|