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Fair Value Measurements (Available for Sale) (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | $ 154,679 | $ 143,084
Unrealized Gains | 221 | 1,523
Unrealized Losses | (7,992) | (1,396)
Fair Value | 146,908 | 143,211
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 116,874 | 83,656
Less than 12 Months, Unrealized Losses | (6,428) | (1,308)
12 Months or Greater, Fair Value | 17,541 | 2,652
12 Months or Greater, Unrealized Losses | (1,564) | (88)
Total, Fair Value | 134,415 | 86,308
Total, Unrealized Losses | (7,992) | (1,396)
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |  |
Amortized Cost, Due within one year | 22,628 |
Fair Value, Due within one year | 22,529 |
Amortized Cost, Due after one year through five years | 121,155 |
Fair Value, Due after one year through five years | 114,512 |
Amortized Cost, Due after five years | 10,896 |
Fair Value, Due after five years | 9,867 |
Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 89,263 | 84,011
Unrealized Gains | 24 | 999
Unrealized Losses | (4,789) | (655)
Fair Value | 84,498 | 84,355
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 61,268 | 37,170
Less than 12 Months, Unrealized Losses | (3,312) | (572)
12 Months or Greater, Fair Value | 15,194 | 1,938
12 Months or Greater, Unrealized Losses | (1,477) | (83)
Total, Fair Value | 76,462 | 39,108
Total, Unrealized Losses | (4,789) | (655)
Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 65,416 | 59,073
Unrealized Gains | 197 | 524
Unrealized Losses | (3,203) | (741)
Fair Value | 62,410 | 58,856
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 55,606 | 46,486
Less than 12 Months, Unrealized Losses | (3,116) | (736)
12 Months or Greater, Fair Value | 2,347 | 714
12 Months or Greater, Unrealized Losses | (87) | (5)
Total, Fair Value | 57,953 | 47,200
Total, Unrealized Losses | (3,203) | (741)
Corporate debt securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 50,971 | 46,649
Unrealized Gains | 22 | 438
Unrealized Losses | (2,758) | (438)
Fair Value | 48,235 | 46,649
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 32,447 | 28,639
Less than 12 Months, Unrealized Losses | (1,911) | (434)
12 Months or Greater, Fair Value | 9,058 | 207
12 Months or Greater, Unrealized Losses | (847) | (4)
Total, Fair Value | 41,505 | 28,846
Total, Unrealized Losses | (2,758) | (438)
Corporate debt securities | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 64,601 | 58,261
Unrealized Gains | 8 | 72
Unrealized Losses | (3,203) | (741)
Fair Value | 61,406 | 57,592
U.S. government agency securities | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 28,346 | 28,316
Unrealized Gains | 2 | 459
Unrealized Losses | (1,063) | (133)
Fair Value | 27,285 | 28,642
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 21,624 | 5,382
Less than 12 Months, Unrealized Losses | (666) | (97)
12 Months or Greater, Fair Value | 4,462 | 824
12 Months or Greater, Unrealized Losses | (397) | (36)
Total, Fair Value | 26,086 | 6,206
Total, Unrealized Losses | (1,063) | (133)
Municipal bonds | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 9,380 | 8,475
Unrealized Gains | 0 | 100
Unrealized Losses | (926) | (78)
Fair Value | 8,454 | 8,497
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 6,843 | 2,714
Less than 12 Months, Unrealized Losses | (709) | (35)
12 Months or Greater, Fair Value | 1,559 | 907
12 Months or Greater, Unrealized Losses | (217) | (43)
Total, Fair Value | 8,402 | 3,621
Total, Unrealized Losses | (926) | (78)
Municipal bonds | Investments in lieu of retention: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 815 | 812
Unrealized Gains | 189 | 452
Unrealized Losses | 0 | 0
Fair Value | 1,004 | 1,264
Corporate certificates of deposit | Restricted investments: |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Amortized Cost | 566 | 571
Unrealized Gains | 0 | 2
Unrealized Losses | (42) | (6)
Fair Value | 524 | 567
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] |  |
Less than 12 Months, Fair Value | 354 | 435
Less than 12 Months, Unrealized Losses | (26) | (6)
12 Months or Greater, Fair Value | 115 | 0
12 Months or Greater, Unrealized Losses | (16) | 0
Total, Fair Value | 469 | 435
Total, Unrealized Losses | $ (42) | $ (6)

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