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Fair Value Measures and Disclosures (Available for Sale) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | $ 169,876 | $ 143,084
Unrealized Gains | 180 | 1,523
Unrealized Losses | (10,272) | (1,396)
Fair Value | 159,784 | 143,211
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 88,007 | 83,656
Less than 12 months, unrealized losses | (3,199) | (1,308)
12 Months or greater, fair value | 67,173 | 2,652
12 Months or greater, unrealized losses | (7,073) | (88)
Total, fair value | 155,180 | 86,308
Total, unrealized losses | (10,272) | (1,396)
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |  |
Amortized cost, due within one year | 20,301 |
Fair value, due within one year | 20,113 |
Amortized cost, due after one year through five years | 138,683 |
Fair value, due after one year through five years | 130,365 |
Amortized cost, due after five years | 10,892 |
Fair value, due after five years | 9,306 |
Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 98,090 | 84,011
Unrealized Gains | 14 | 999
Unrealized Losses | (6,548) | (655)
Fair Value | 91,556 | 84,355
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 53,454 | 37,170
Less than 12 months, unrealized losses | (2,356) | (572)
12 Months or greater, fair value | 34,782 | 1,938
12 Months or greater, unrealized losses | (4,192) | (83)
Total, fair value | 88,236 | 39,108
Total, unrealized losses | (6,548) | (655)
Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 71,786 | 59,073
Unrealized Gains | 166 | 524
Unrealized Losses | (3,724) | (741)
Fair Value | 68,228 | 58,856
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 34,553 | 46,486
Less than 12 months, unrealized losses | (843) | (736)
12 Months or greater, fair value | 32,391 | 714
12 Months or greater, unrealized losses | (2,881) | (5)
Total, fair value | 66,944 | 47,200
Total, unrealized losses | (3,724) | (741)
Corporate debt securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 53,452 | 46,649
Unrealized Gains | 1 | 438
Unrealized Losses | (3,550) | (438)
Fair Value | 49,903 | 46,649
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 23,559 | 28,639
Less than 12 months, unrealized losses | (733) | (434)
12 Months or greater, fair value | 25,842 | 207
12 Months or greater, unrealized losses | (2,817) | (4)
Total, fair value | 49,401 | 28,846
Total, unrealized losses | (3,550) | (438)
Corporate debt securities | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 70,968 | 58,261
Unrealized Gains | 1 | 72
Unrealized Losses | (3,724) | (741)
Fair Value | 67,245 | 57,592
U.S. government agency securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 34,920 | 28,316
Unrealized Gains | 13 | 459
Unrealized Losses | (1,688) | (133)
Fair Value | 33,245 | 28,642
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 24,834 | 5,382
Less than 12 months, unrealized losses | (939) | (97)
12 Months or greater, fair value | 5,593 | 824
12 Months or greater, unrealized losses | (749) | (36)
Total, fair value | 30,427 | 6,206
Total, unrealized losses | (1,688) | (133)
Municipal bonds | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 9,211 | 8,475
Unrealized Gains | 0 | 100
Unrealized Losses | (1,257) | (78)
Fair Value | 7,954 | 8,497
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 4,998 | 2,714
Less than 12 months, unrealized losses | (672) | (35)
12 Months or greater, fair value | 2,956 | 907
12 Months or greater, unrealized losses | (585) | (43)
Total, fair value | 7,954 | 3,621
Total, unrealized losses | (1,257) | (78)
Municipal bonds | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 818 | 812
Unrealized Gains | 165 | 452
Unrealized Losses | 0 | 0
Fair Value | 983 | 1,264
Corporate certificates of deposit | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 507 | 571
Unrealized Gains | 0 | 2
Unrealized Losses | (53) | (6)
Fair Value | 454 | 567
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 months, fair value | 63 | 435
Less than 12 months, unrealized losses | (12) | (6)
12 Months or greater, fair value | 391 | 0
12 Months or greater, unrealized losses | (41) | 0
Total, fair value | 454 | 435
Total, unrealized losses | $ (53) | $ (6)

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