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v3.21.1

Fair Value Measurements. (Details) - Schedule of recurring and nonrecurring fair value measurements - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Assets: |  |  |
Assets |  | $ 79,408 | $ 93,032
Liabilities: |  |  |
Liabilities |  | (4,741) |
Derivative Financial Instrument [Member] |  |  |
Assets: |  |  |
Assets |  | 22,355 | $ 17,149
Benefit Plan Percentage Allocation |  |  |
Liabilities: |  |  |
Liabilities |  | (4,741) |
Long-lived assets held-for-sale [Member] |  |  |
Assets: |  |  |
Assets |  | 57,053 | $ 58,295
Benefit Plan Percentage Allocation |  |  |
Defined Benefit Plan Assets [Member] |  |  |
Assets: |  |  |
Assets | [1] |  |
Benefit Plan Percentage Allocation | [1] |  |
Large U,S Equity [Member] |  |  |
Assets: |  |  |
Assets | [2] |  | $ 5,470
Benefit Plan Percentage Allocation | [2] |  | 31.00%
Small/Mid U.S Equity [Member] |  |  |
Assets: |  |  |
Assets | [3] |  | $ 2,605
Benefit Plan Percentage Allocation | [3] |  | 15.00%
International Equity [Member] |  |  |
Assets: |  |  |
Assets | [4] |  | $ 2,921
Benefit Plan Percentage Allocation | [4] |  | 17.00%
Fixed Income [Member] |  |  |
Assets: |  |  |
Assets | [5] |  | $ 6,592
Benefit Plan Percentage Allocation | [5] |  | 37.00%
Level 1 [Member] |  |  |
Assets: |  |  |
Assets |  | 22,355 | $ 17,149
Liabilities: |  |  |
Liabilities |  | (4,741) |
Level 1 [Member] | Derivative Financial Instrument [Member] |  |  |
Assets: |  |  |
Assets |  | 22,355 | 17,149
Liabilities: |  |  |
Liabilities |  | (4,741) |
Level 1 [Member] | Long-lived assets held-for-sale [Member] |  |  |
Assets: |  |  |
Assets |  |  |
Level 1 [Member] | Defined Benefit Plan Assets [Member] |  |  |
Assets: |  |  |
Assets | [1] |  |
Level 1 [Member] | Large U,S Equity [Member] |  |  |
Assets: |  |  |
Assets | [2] |  |
Level 1 [Member] | Small/Mid U.S Equity [Member] |  |  |
Assets: |  |  |
Assets | [3] |  |
Level 1 [Member] | International Equity [Member] |  |  |
Assets: |  |  |
Assets | [4] |  |
Level 1 [Member] | Fixed Income [Member] |  |  |
Assets: |  |  |
Assets | [5] |  |
Level 2 [Member] |  |  |
Assets: |  |  |
Assets |  |  | 17,588
Liabilities: |  |  |
Liabilities |  |  |
Level 2 [Member] | Derivative Financial Instrument [Member] |  |  |
Assets: |  |  |
Assets |  |  |
Liabilities: |  |  |
Liabilities |  |  |
Level 2 [Member] | Long-lived assets held-for-sale [Member] |  |  |
Assets: |  |  |
Assets |  |  |
Level 2 [Member] | Defined Benefit Plan Assets [Member] |  |  |
Assets: |  |  |
Assets | [1] |  |
Level 2 [Member] | Large U,S Equity [Member] |  |  |
Assets: |  |  |
Assets | [2] |  | 5,470
Level 2 [Member] | Small/Mid U.S Equity [Member] |  |  |
Assets: |  |  |
Assets | [3] |  | 2,605
Level 2 [Member] | International Equity [Member] |  |  |
Assets: |  |  |
Assets | [4] |  | 2,921
Level 2 [Member] | Fixed Income [Member] |  |  |
Assets: |  |  |
Assets | [5] |  | 6,592
Level 3 [Member] |  |  |
Assets: |  |  |
Assets |  | 57,053 | 58,295
Liabilities: |  |  |
Liabilities |  |  |
Level 3 [Member] | Derivative Financial Instrument [Member] |  |  |
Assets: |  |  |
Assets |  |  |
Level 3 [Member] | Long-lived assets held-for-sale [Member] |  |  |
Assets: |  |  |
Assets |  | $ 57,053 | 58,295
Level 3 [Member] | Defined Benefit Plan Assets [Member] |  |  |
Assets: |  |  |
Assets | [1] |  |
Level 3 [Member] | Large U,S Equity [Member] |  |  |
Assets: |  |  |
Assets | [2] |  |
Level 3 [Member] | Small/Mid U.S Equity [Member] |  |  |
Assets: |  |  |
Assets | [3] |  |
Level 3 [Member] | International Equity [Member] |  |  |
Assets: |  |  |
Assets | [4] |  |
Level 3 [Member] | Fixed Income [Member] |  |  |
Assets: |  |  |
Assets | [5] |  |
[1] | Included in other assets in the consolidated balance sheets.
[2] | This category includes investments in funds comprised of equity securities of large U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[3] | This category includes investments in funds comprised of equity securities of small- and medium-sized U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[4] | This category includes investments in funds comprised of equity securities of foreign companies including emerging markets. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[5] | This category includes investments in funds comprised of U.S. and foreign investment-grade fixed income securities, high-yield fixed income securities that are rated below investment-grade, U.S. treasury securities, mortgage-backed securities, and other asset-backed securities. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

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