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Fair Value Measurements (Available for Sale) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | $ 232,522 | $ 222,134
Unrealized Gains | 498 | 1,272
Unrealized Losses | (5,532) | (6,158)
Fair Value | 227,488 | 217,248
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 70,481 | 17,748
Less than 12 Months, Unrealized Losses | (448) | (64)
12 Months or Greater, Fair Value | 108,641 | 120,731
12 Months or Greater, Unrealized Losses | (5,084) | (6,094)
Total, Fair Value | 179,122 | 138,479
Total, Unrealized Losses | (5,532) | (6,158)
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |  |
Amortized Cost, Due within one year | 74,786 |
Fair Value, Due within one year | 73,104 |
Amortized Cost, Due after one year through five years | 147,533 |
Fair Value, Due after one year through five years | 145,223 |
Amortized Cost, Due after five years | 10,203 |
Fair Value, Due after five years | 9,161 |
Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 138,035 | 133,710
Unrealized Gains | 254 | 785
Unrealized Losses | (4,107) | (4,208)
Fair Value | 134,182 | 130,287
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 39,082 | 6,350
Less than 12 Months, Unrealized Losses | (293) | (9)
12 Months or Greater, Fair Value | 57,621 | 71,005
12 Months or Greater, Unrealized Losses | (3,814) | (4,199)
Total, Fair Value | 96,703 | 77,355
Total, Unrealized Losses | (4,107) | (4,208)
Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 94,487 | 88,424
Unrealized Gains | 244 | 487
Unrealized Losses | (1,425) | (1,950)
Fair Value | 93,306 | 86,961
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 31,399 | 11,398
Less than 12 Months, Unrealized Losses | (155) | (55)
12 Months or Greater, Fair Value | 51,020 | 49,726
12 Months or Greater, Unrealized Losses | (1,270) | (1,895)
Total, Fair Value | 82,419 | 61,124
Total, Unrealized Losses | (1,425) | (1,950)
Corporate debt securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 108,764 | 95,903
Unrealized Gains | 249 | 762
Unrealized Losses | (2,199) | (2,202)
Fair Value | 106,814 | 94,463
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 35,500 | 4,971
Less than 12 Months, Unrealized Losses | (258) | (3)
12 Months or Greater, Fair Value | 35,457 | 40,649
12 Months or Greater, Unrealized Losses | (1,941) | (2,199)
Total, Fair Value | 70,957 | 45,620
Total, Unrealized Losses | (2,199) | (2,202)
Corporate debt securities | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 93,661 | 87,601
Unrealized Gains | 38 | 246
Unrealized Losses | (1,425) | (1,950)
Fair Value | 92,274 | 85,897
U.S. government agency securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 20,832 | 29,082
Unrealized Gains | 4 | 18
Unrealized Losses | (972) | (1,054)
Fair Value | 19,864 | 28,046
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 3,406 | 1,280
Less than 12 Months, Unrealized Losses | (34) | (4)
12 Months or Greater, Fair Value | 14,902 | 22,858
12 Months or Greater, Unrealized Losses | (938) | (1,050)
Total, Fair Value | 18,308 | 24,138
Total, Unrealized Losses | (972) | (1,054)
Municipal bonds | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 7,946 | 8,227
Unrealized Gains | 1 | 5
Unrealized Losses | (908) | (914)
Fair Value | 7,039 | 7,318
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 176 | 99
Less than 12 Months, Unrealized Losses | (1) | (2)
12 Months or Greater, Fair Value | 6,798 | 7,038
12 Months or Greater, Unrealized Losses | (907) | (912)
Total, Fair Value | 6,974 | 7,137
Total, Unrealized Losses | (908) | (914)
Municipal bonds | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 826 | 823
Unrealized Gains | 206 | 241
Unrealized Losses | 0 | 0
Fair Value | 1,032 | 1,064
Corporate certificates of deposit | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 493 | 498
Unrealized Gains | 0 | 0
Unrealized Losses | (28) | (38)
Fair Value | 465 | 460
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 | 464 | 460
12 Months or Greater, Unrealized Losses | (28) | (38)
Total, Fair Value | 464 | 460
Total, Unrealized Losses | $ (28) | $ (38)

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