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Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2022
Insurance [Abstract] |
Schedule of the Effect of Reinsurance on Premiums Written and Earned | The effect of reinsurance on premiums written and earned in 2022, 2021 and 2020 was as follows:
|  | 2022 Premiums |  |  | 2021 Premiums |  |  | 2020 Premiums |
|  | Written |  |  | Earned |  |  | Written |  |  | Earned |  |  | Written |  |  | Earned |
|  | (in thousands) |
Gross |  | $ | 276,110 |  |  | $ | 282,225 |  |  | $ | 278,294 |  |  | $ | 286,462 |  |  | $ | 303,090 |  |  | $ | 314,703 |
Ceded |  |  | (10,527 | ) |  |  | (10,527 | ) |  |  | (10,469 | ) |  |  | (10,469 | ) |  |  | (10,276 | ) |  |  | (10,276 | )
Net premiums |  | $ | 265,583 |  |  | $ | 271,698 |  |  | $ | 267,825 |  |  | $ | 275,993 |  |  | $ | 292,814 |  |  | $ | 304,427 |
Schedule of the Amounts Recoverable from Reinsurers | The amounts recoverable from reinsurers consist of the following:
|  | December 31, |
|  | 2022 |  |  | 2021 |
|  | (in thousands) |
Unpaid losses recoverable: |  |  |  |  |  |
Case basis |  | $ | 81,273 |  |  | $ | 101,249 |
Incurred but not reported |  |  | 31,282 |  |  |  | 18,017 |
Paid losses recoverable |  |  | 12,440 |  |  |  | 778 |
Experience-rated commissions recoverable |  |  | 1,054 |  |  |  | 957 |
Allowance for credit losses |  |  | (372 | ) |  |  | (440 | )
Total |  | $ | 125,677 |  |  | $ | 120,561 |
Schedule of Unsecured Reinsurance Recoverables from Reinsurers |
Reinsurer |  |  | A.M. Best Rating |  | Amounts Recoverable as of December 31, 2022 |
|  |  |  |  | (in thousands) |
Hannover Reinsurance Ireland Limited | (1) |  | A+ |  | $ | 63,987 |
Arch Reinsurance Company | (1) |  | A+ |  |  | 11,358 |
Allianz Risk Transfer AG (Bermuda) |  |  | A+ |  |  | 9,489 |
Minnesota Workers' Compensation Reinsurance Association | (1) |  | NR |  |  | 8,567 |
Odyssey America Reinsurance Corporation |  |  | A |  |  | 6,516 |
Other reinsurers |  |  |  |  |  | 26,132 |
Total amounts recoverable from reinsurers |  |  |  |  |  | 126,049 |
Allowance for credit losses |  |  |  |  |  | (372 | )
Total amounts recoverable from reinsurers net of allowance for credit losses |  |  |  |  |  | 125,677 |
Funds withheld and letters of credit related to the above recoverables |  |  |  |  |  | (80,549 | )
Total unsecured amounts recoverable from reinsurers |  |  |  |  | $ | 45,128 |
(1) Current participant in our 2023 reinsurance program.
Change in Allowance for Credit Losses on Amounts Recoverable from Reinsurers | The table below presents the change in the allowance for credit losses on amounts recoverable from reinsurers for the years ended December 31, 2022 and 2021.
|  | Year Ended |
|  | December 31, |
|  | 2022 |  |  | 2021 |
|  | (in thousands) |
Balance, beginning of period |  | $ | 440 |  |  | $ | 452 |
Provision for credit loss benefit |  |  | (68 | ) |  |  | (12 | )
Balance, end of period |  | $ | 372 |  |  | $ | 440 |

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