Fair Value Measurements (Schedule of Available-for-Sale Securities Reconciliation and Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value and Investments Classified by Contractual Maturity Date ) (Details) - USD ($)
$ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
$ 469,638
|
$ 386,799
|
| Unrealized Gains |
911
|
3,005
|
| Unrealized Losses |
(3,855)
|
(1,703)
|
| Fair Value |
466,694
|
388,101
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
296,978
|
83,845
|
| Less than 12 Months, Unrealized Losses |
(2,638)
|
(613)
|
| 12 Months or Greater, Fair Value |
24,921
|
32,518
|
| 12 Months or Greater, Unrealized Losses |
(1,217)
|
(1,090)
|
| Total, Fair Value |
321,899
|
116,363
|
| Total, Unrealized Losses |
(3,855)
|
(1,703)
|
| Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |
|
|
| Amortized Cost, Due within one year |
136,504
|
|
| Fair Value, Due within one year |
136,398
|
|
| Amortized Cost, Due after one year through five years |
298,842
|
|
| Fair Value, Due after one year through five years |
296,952
|
|
| Amortized Cost, Due after five years |
34,292
|
|
| Fair Value, Due after five years |
33,344
|
|
| Restricted investments: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
273,266
|
228,364
|
| Unrealized Gains |
537
|
1,943
|
| Unrealized Losses |
(2,919)
|
(1,348)
|
| Fair Value |
270,884
|
228,959
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
170,369
|
62,900
|
| Less than 12 Months, Unrealized Losses |
(1,933)
|
(259)
|
| 12 Months or Greater, Fair Value |
18,860
|
29,536
|
| 12 Months or Greater, Unrealized Losses |
(986)
|
(1,089)
|
| Total, Fair Value |
189,229
|
92,436
|
| Total, Unrealized Losses |
(2,919)
|
(1,348)
|
| Investments in lieu of retention: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
196,372
|
158,435
|
| Unrealized Gains |
374
|
1,062
|
| Unrealized Losses |
(936)
|
(355)
|
| Fair Value |
195,810
|
159,142
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
126,609
|
20,945
|
| Less than 12 Months, Unrealized Losses |
(705)
|
(354)
|
| 12 Months or Greater, Fair Value |
6,061
|
2,982
|
| 12 Months or Greater, Unrealized Losses |
(231)
|
(1)
|
| Total, Fair Value |
132,670
|
23,927
|
| Total, Unrealized Losses |
(936)
|
(355)
|
| Corporate debt securities | Restricted investments: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
220,835
|
205,584
|
| Unrealized Gains |
532
|
1,900
|
| Unrealized Losses |
(1,449)
|
(472)
|
| Fair Value |
219,918
|
207,012
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
132,735
|
57,673
|
| Less than 12 Months, Unrealized Losses |
(1,383)
|
(221)
|
| 12 Months or Greater, Fair Value |
10,083
|
20,907
|
| 12 Months or Greater, Unrealized Losses |
(66)
|
(251)
|
| Total, Fair Value |
142,818
|
78,580
|
| Total, Unrealized Losses |
(1,449)
|
(472)
|
| Corporate debt securities | Investments in lieu of retention: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
168,592
|
140,749
|
| Unrealized Gains |
179
|
844
|
| Unrealized Losses |
(302)
|
(38)
|
| Fair Value |
168,469
|
141,555
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
107,130
|
4,796
|
| Less than 12 Months, Unrealized Losses |
(302)
|
(37)
|
| 12 Months or Greater, Fair Value |
0
|
2,982
|
| 12 Months or Greater, Unrealized Losses |
0
|
(1)
|
| Total, Fair Value |
107,130
|
7,778
|
| Total, Unrealized Losses |
(302)
|
(38)
|
| U.S. government agency securities | Restricted investments: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
33,490
|
12,300
|
| Unrealized Gains |
2
|
11
|
| Unrealized Losses |
(663)
|
(329)
|
| Fair Value |
32,829
|
11,982
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
25,257
|
3,056
|
| Less than 12 Months, Unrealized Losses |
(322)
|
(31)
|
| 12 Months or Greater, Fair Value |
3,626
|
3,550
|
| 12 Months or Greater, Unrealized Losses |
(341)
|
(298)
|
| Total, Fair Value |
28,883
|
6,606
|
| Total, Unrealized Losses |
(663)
|
(329)
|
| U.S. government agency securities | Investments in lieu of retention: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
4,337
|
4,337
|
| Unrealized Gains |
0
|
0
|
| Unrealized Losses |
(32)
|
(43)
|
| Fair Value |
4,305
|
4,294
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
4,306
|
4,294
|
| Less than 12 Months, Unrealized Losses |
(32)
|
(43)
|
| 12 Months or Greater, Fair Value |
0
|
0
|
| 12 Months or Greater, Unrealized Losses |
0
|
0
|
| Total, Fair Value |
4,306
|
4,294
|
| Total, Unrealized Losses |
(32)
|
(43)
|
| Municipal bonds | Restricted investments: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
18,745
|
10,282
|
| Unrealized Gains |
3
|
32
|
| Unrealized Losses |
(794)
|
(534)
|
| Fair Value |
17,954
|
9,780
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
12,377
|
2,171
|
| Less than 12 Months, Unrealized Losses |
(228)
|
(7)
|
| 12 Months or Greater, Fair Value |
4,968
|
4,894
|
| 12 Months or Greater, Unrealized Losses |
(566)
|
(527)
|
| Total, Fair Value |
17,345
|
7,065
|
| Total, Unrealized Losses |
(794)
|
(534)
|
| Municipal bonds | Investments in lieu of retention: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
23,443
|
13,349
|
| Unrealized Gains |
195
|
218
|
| Unrealized Losses |
(602)
|
(274)
|
| Fair Value |
23,036
|
13,293
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
15,173
|
11,855
|
| Less than 12 Months, Unrealized Losses |
(371)
|
(274)
|
| 12 Months or Greater, Fair Value |
6,061
|
0
|
| 12 Months or Greater, Unrealized Losses |
(231)
|
0
|
| Total, Fair Value |
21,234
|
11,855
|
| Total, Unrealized Losses |
(602)
|
(274)
|
| Corporate certificates of deposit | Restricted investments: |
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Amortized Cost |
196
|
198
|
| Unrealized Gains |
0
|
0
|
| Unrealized Losses |
(13)
|
(13)
|
| Fair Value |
183
|
185
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |
|
|
| Less than 12 Months, Fair Value |
0
|
0
|
| Less than 12 Months, Unrealized Losses |
0
|
0
|
| 12 Months or Greater, Fair Value |
183
|
185
|
| 12 Months or Greater, Unrealized Losses |
(13)
|
(13)
|
| Total, Fair Value |
183
|
185
|
| Total, Unrealized Losses |
$ (13)
|
$ (13)
|