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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Compensation And Retirement Disclosure [Abstract] |
Schedule of Pension plan's assets by asset type | The following table presents the Pension Plan’s assets by asset type as of the dates stated.
|  | December 31, 2021 |
|  | Amount |  |  | % |
Mutual funds - equity |  | $ | 869 |  |  |  | 75 | %
Mutual funds - fixed income |  |  | 290 |  |  |  | 25 | %
Total |  | $ | 1,159 |  |  |  | 100 | %
Summary of Fair value of Qualified trust assets and Funded (Unfunded) status of Pension Plan | The following table provides a reconciliation of changes in the accumulated benefit obligations and fair value of qualified trust assets (Pension Plan only) and a statement of funded (unfunded) status for the Pension Plan and the PRB Plan as of and for the period stated.
|  | December 31, 2021 |
|  | Pension Plan |  |  | PRB Plan |
Change in benefit obligation |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | — |  |  | $ | — |
Assumed in business combination |  |  | 2,041 |  |  |  | 65 |
Service cost |  |  | — |  |  |  | — |
Interest cost |  |  | 45 |  |  |  | 2 |
Actuarial loss (gain) |  |  | 34 |  |  |  | (9 | )
Benefit payments |  |  | (971 | ) |  |  | (6 | )
Settlement (gain) loss |  |  | — |  |  |  | — |
Benefit obligation, end of year |  |  | 1,149 |  |  |  | 52 |
Change in plan assets |  |  |  |  |  |
Fair value of plan assets, beginning of year |  |  | — |  |  |  | — |
Acquired in business combination |  |  | 1,330 |  |  |  | — |
Actual return on plan assets |  |  | 97 |  |  |  | — |
Employer contributions |  |  | 703 |  |  |  | 6 |
Benefits payments |  |  | (971 | ) |  |  | (6 | )
Fair value of plan assets, end of year |  |  | 1,159 |  |  |  | — |
Funded (unfunded) status, end of year |  | $ | 10 |  |  | $ | (52 | )
Schedule of Amounts Recognized in AOCI |
|  | For the year ended December 31, 2021 |
|  | Pension Plan |  |  | PRB Plan |
Amounts recognized in accumulated other comprehensive loss (income) |  |  |  |  |  |
Net loss (gain) |  | $ | 11 |  |  | $ | (9 | )
Prior service cost |  |  | — |  |  |  | — |
Net obligation at transition |  |  | — |  |  |  | — |
Amount recognized |  | $ | 11 |  |  | $ | (9 | )
Components of Net Periodic Benefit Cost and Other Amounts Recognized in Other Comprehensive Income (Loss) |
Components of net periodic benefit (gain) cost |  |  |  |  |  |
Service cost |  | $ | — |  |  | $ | — |
Interest cost |  |  | 45 |  |  |  | 2 |
Expected return on plan assets |  |  | (73 | ) |  |  | — |
Amortization of prior service cost |  |  | — |  |  |  | — |
Amortization of net obligation at transition |  |  | — |  |  |  | — |
Recognized net loss due to settlement |  |  | — |  |  |  | — |
Recognized net actuarial loss |  |  | — |  |  |  | — |
Net periodic benefit (gain) cost |  |  | (28 | ) |  |  | 2 |
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive (income) loss |  |  |  |  |  |
Net loss (gain) |  |  | 11 |  |  |  | (9 | )
Amortization of prior service cost |  |  | — |  |  |  | — |
Amortization of net obligation at transition |  |  | — |  |  |  | — |
Total recognized in other comprehensive loss (income) |  |  | 11 |  |  |  | (9 | )
Total recognized in net periodic benefit cost and other comprehensive loss (income) |  | $ | (17 | ) |  | $ | (7 | )
Schedule of assumptions used in the valuation and disclosures for the Pension Plan and the PRB Plan | The following table presents the assumptions used in the valuation of and disclosures for the Pension Plan and the PRB Plan for the period stated.
|  | December 31, 2021 |
|  | Pension Plan |  |  | PRB Plan |
Discount rate used for net periodic pension cost |  |  | 2.75 | % |  |  | 2.50 | %
Discount rate used for disclosure (range) |  | 1.02% - 3.08% |  |  |  | 2.75 | %
Expected return on plan assets |  |  | 7.25 | % |  | N/A |
Rate of compensation increase |  | N/A |  |  | N/A |
Rate of compensation increase for net periodic pension cost |  | N/A |  |  | N/A |
Expected future interest crediting rate |  |  | 3.00 | % |  | N/A |
Schedule of Expected Benefit Payments | The following table presents the expected benefit payments to be made from the Pension Plan and PRB Plan for the periods following the date stated.
|  | December 31, 2021 |
|  | Pension Plan |  |  | PRB Plan |
2022 |  | $ | 1,149 |  |  | $ | 6 |
2023 |  |  | — |  |  |  | 6 |
2024 |  |  | — |  |  |  | 5 |
2025 |  |  | — |  |  |  | 5 |
2026 |  |  | — |  |  |  | 5 |
2027 - 2031 |  |  | — |  |  |  | 28 |

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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