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EMPLOYEE BENEFIT PLANS Defined Benefit Plan, Fair Value on Plan Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | $ 163,382 | $ 155,704 | $ 141,816
Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 146,648 | 151,511 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 16,734 | 4,193 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 163,382 | 155,704 |
Cash | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 122 | 129 |
Cash | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Cash | Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Cash | Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 122 | 129 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 3,535 | 4,193 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 3,535 | 4,193 |
Fixed income mutual funds | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 63,526 | 65,443 |
Fixed income mutual funds | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Fixed income mutual funds | Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Fixed income mutual funds | Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 63,526 | 65,443 |
Equity mutual funds | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 83,000 | 85,939 |
Equity mutual funds | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Equity mutual funds | Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 | 0 |
Equity mutual funds | Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 83,000 | $ 85,939 |
Defined Benefit Plan, Common Collective Trust | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 |  |
Defined Benefit Plan, Common Collective Trust | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 13,199 |  |
Defined Benefit Plan, Common Collective Trust | Fair Value, Inputs, Level 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | 0 |  |
Defined Benefit Plan, Common Collective Trust | Fair Value, Inputs, Level 1, 2 and 3 [Member] |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Fair value measurements | $ 13,199 |  |

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