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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2020
Fair Value Disclosures [Abstract] |
Summary of Fair Value Assets Associated with Pension Plan | The following table sets forth assets associated with the pension plan in “Note 16—Retirement and Other Benefits Plans” that are accounted for at fair value by Level within the fair value hierarchy. Fair value as of December 31, 2020 (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Mutual funds |  | $ | 2,847 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,847 |
Fixed income |  |  | — |  |  |  | 10,615 |  |  |  | — |  |  |  | 10,615 |
Cash and cash equivalents |  |  | 571 |  |  |  | — |  |  |  | — |  |  |  | 571 |
|  | $ | 3,418 |  |  | $ | 10,615 |  |  | $ | — |  |  | $ | 14,033 |
Fair value as of December 31, 2019 (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Mutual funds |  |  | 2,987 |  |  |  | — |  |  |  | — |  |  |  | 2,987 |
Fixed income |  |  | — |  |  |  | 10,447 |  |  |  | — |  |  |  | 10,447 |
Cash and cash equivalents |  |  | 334 |  |  |  | — |  |  |  | — |  |  |  | 334 |
|  |  | 3,321 |  |  |  | 10,447 |  |  |  | — |  |  |  | 13,768 |
Schedule of Fair Value of Redeemable Common Stock Associated Employee Stock Ownership Plan | The following table sets forth redeemable common stock associated with the ESOP in “Note 16—Retirement and Other Benefits Plans” that is accounted for at fair value by Level within the fair value hierarchy. Fair value as of December 31, 2018 (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Redeemable Common Stock |  | $ | — |  |  | $ | — |  |  | $ | 1,876,309 |  |  | $ | 1,876,309 |
|  | $ | — |  |  | $ | — |  |  | $ | 1,876,309 |  |  | $ | 1,876,309 |
Schedule of Reconciliation Fair Value Measurements Using Significant Unobservable Inputs | The following table presents a reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3) (in thousands):
|  | 2019 |
Balance at beginning of year |  | $ | 1,876,309 |
Purchases of treasury stock |  |  | (6,219 | )
Contributions of treasury stock to ESOP |  | $ | - |
Share price adjustment |  |  | 883,436 |
Transfer to permanent equity |  | $ | (2,753,526 | )
Balance at end of year |  |  | — |

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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 + Details
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