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Postretirement Benefit Plans (Expected Benefit Payments) (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($)
Defined Benefit Postretirement Health And Life Coverage [Member] |
Defined Benefit Plan Disclosure [Line Items] |
1/1/2022 to 12/31/2022 | $ 38,000
1/1/2023 to 12/31/2023 | 34,000
1/1/2024 to 12/31/2024 | 31,000
1/1/2025 to 12/31/2025 | 35,000
1/1/2026 to 12/31/2026 | 26,000
1/1/2027 to 12/31/2031 | 164,000
Defined contribution plan, employer discretionary contribution amount | 38,000
Director's Retirement Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
1/1/2022 to 12/31/2022 | 108,000
1/1/2023 to 12/31/2023 | 101,000
1/1/2024 to 12/31/2024 | 89,000
1/1/2025 to 12/31/2025 | 91,000
1/1/2026 to 12/31/2026 | 88,000
1/1/2027 to 12/31/2031 | 350,000
Defined contribution plan, employer discretionary contribution amount | 108,000
Scottdale Defined Benefit Pension Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
1/1/2022 to 12/31/2022 | 93,000
1/1/2023 to 12/31/2023 | 95,000
1/1/2024 to 12/31/2024 | 207,000
1/1/2025 to 12/31/2025 | 257,000
1/1/2026 to 12/31/2026 | 253,000
1/1/2027 to 12/31/2031 | 1,547,000
Defined contribution plan, employer discretionary contribution amount | 0
Riverview Defined Benefit Plan [Member] | Pension Benefits [Member] |
Defined Benefit Plan Disclosure [Line Items] |
1/1/2022 to 12/31/2022 | 540,000
1/1/2023 to 12/31/2023 | 526,000
1/1/2024 to 12/31/2024 | 522,000
1/1/2025 to 12/31/2025 | 503,000
1/1/2026 to 12/31/2026 | 492,000
1/1/2027 to 12/31/2031 | 2,303,000
Riverview Defined Benefit Plan [Member] | Postretirement Life Insurance Benefits [Member] |
Defined Benefit Plan Disclosure [Line Items] |
1/1/2022 to 12/31/2022 | 4,000
1/1/2023 to 12/31/2023 | 4,000
1/1/2024 to 12/31/2024 | 4,000
1/1/2025 to 12/31/2025 | 3,000
1/1/2026 to 12/31/2026 | 3,000
1/1/2027 to 12/31/2031 | $ 11,000

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- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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