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EMPLOYEE BENEFIT PLANS Fair value plan assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 721,005 |  | $ 103,385 | [1] | $ 86,556 | [1]
Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 100.00% |  | 100.00% |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 365,718 |  | $ 103,385 | [1] | 86,556 | [1]
United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 100.00% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 355,287 |  | 0 |  | $ 0 |
Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 8,049 |  |  |  |  |
Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 747 |  | 224 |  |  |
Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 7,302 |  |  |  |  |
Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 19,611 |  |  |  |  |
Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 19,611 |  | 0 |  |  |
Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  | 0 |  |  |
Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 693,345 |  |  |  |  |
Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 345,360 | [2] | $ 103,161 | [3] |  |
Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 347,985 |  |  |  |  |
Fixed Income Investments [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  |  |  | 44.80% |  |  |
Fixed Income Investments [Member] | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [3] |  |  | $ 46,309 |  |  |
Fixed Income Investments [Member] | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Fixed Income Investments [Member] | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Fixed Income Investments [Member] | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | $ 0 |  |  |
Other Investments [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  |  |  | 15.20% |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 26,361 |  |  |  |  |
Other Investments [Member] | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 5.20% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 19,059 |  | $ 15,704 |  |  |
Other Investments [Member] | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 2.10% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 7,302 |  |  |  |  |
Other Investments [Member] | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 8,049 |  |  |  |  |
Other Investments [Member] | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 747 |  | 224 |  |  |
Other Investments [Member] | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 7,302 |  |  |  |  |
Other Investments [Member] | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Investments [Member] | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  | 0 |  |  |
Other Investments [Member] | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Investments [Member] | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Investments [Member] | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  | 0 |  |  |
Other Investments [Member] | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Investments [Member] | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 18,312 |  |  |  |  |
Other Investments [Member] | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 18,312 | [2] | $ 15,480 | [3] |  |
Other Investments [Member] | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 276,635 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 38.10% |  | 40.00% |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 139,537 |  |  |  |  |
Defined Benefit Plan, Equity Securities | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 38.60% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 137,098 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 276,635 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 139,537 |  |  |  |  |
Defined Benefit Plan, Equity Securities | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 137,098 |  |  |  |  |
US Treasury and Government |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 78,808 |  |  |  |  |
US Treasury and Government | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 0 |  |  |  |  |
US Treasury and Government | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 22.20% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 78,808 |  |  |  |  |
US Treasury and Government | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
US Treasury and Government | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 78,808 |  |  |  |  |
US Treasury and Government | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 0 |  |  |  |  |
US Treasury and Government | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 78,808 |  |  |  |  |
Corporate Debt Securities |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 45,501 |  |  |  |  |
Corporate Debt Securities | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 5.90% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 21,677 |  |  |  |  |
Corporate Debt Securities | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 6.70% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 23,824 |  |  |  |  |
Corporate Debt Securities | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Corporate Debt Securities | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 45,501 |  |  |  |  |
Corporate Debt Securities | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 21,677 |  |  |  |  |
Corporate Debt Securities | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 23,824 |  |  |  |  |
Other Debt Obligations |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 204,016 |  |  |  |  |
Other Debt Obligations | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 40.60% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 148,469 |  |  |  |  |
Other Debt Obligations | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 15.60% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 55,547 |  |  |  |  |
Other Debt Obligations | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Other Debt Obligations | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 204,016 |  |  |  |  |
Other Debt Obligations | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 148,469 |  |  |  |  |
Other Debt Obligations | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 55,547 |  |  |  |  |
Real Estate Funds |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 70,073 |  |  |  |  |
Real Estate Funds | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 4.80% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 17,365 |  |  |  |  |
Real Estate Funds | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 14.80% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 52,708 |  |  |  |  |
Real Estate Funds | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Real Estate Funds | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 70,073 |  |  |  |  |
Real Estate Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 17,365 |  |  |  |  |
Real Estate Funds | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 52,708 |  |  |  |  |
Insurance product |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 19,611 |  |  |  |  |
Insurance product | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  | 5.40% |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | $ 19,611 |  |  |  |  |
Insurance product | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 1 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 1 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 19,611 |  |  |  |  |
Insurance product | Level 2 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 19,611 |  |  |  |  |
Insurance product | Level 2 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 3 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Level 3 | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  | 0 |  |  |  |  |
Insurance product | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 0 |  |  |  |  |
Insurance product | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | 0 |  |  |  |  |
Insurance product | Fair Value Measured at Net Asset Value Per Share | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount | [2] | $ 0 |  |  |  |  |
Defined Benefit Plan, Equity Securities, US | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  |  |  | 5.00% |  |  |
Defined Benefit Plan, Plan Assets, Amount | [3] |  |  | $ 5,160 |  |  |
Defined Benefit Plan, Equity Securities, US | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Defined Benefit Plan, Equity Securities, US | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Defined Benefit Plan, Equity Securities, US | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | $ 0 |  |  |
Defined Benefit Plan, Equity Securities, Non-US | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  |  |  | 22.50% |  |  |
Defined Benefit Plan, Plan Assets, Amount | [3] |  |  | $ 23,239 |  |  |
Defined Benefit Plan, Equity Securities, Non-US | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Defined Benefit Plan, Equity Securities, Non-US | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Defined Benefit Plan, Equity Securities, Non-US | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | $ 0 |  |  |
Equity Securities, Canadian | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Total investments |  |  |  | 12.50% |  |  |
Defined Benefit Plan, Plan Assets, Amount | [3] |  |  | $ 12,973 |  |  |
Equity Securities, Canadian | Level 1 | Foreign Plan [Member] |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Equity Securities, Canadian | Level 2 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | 0 |  |  |
Equity Securities, Canadian | Level 3 |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  | $ 0 |  |  |
[1] | For 2019, the changes in benefit obligations, plan assets and funded status relate to the EECOL Plan and the EECOL SERP
[2] | Investments measured at fair value using the NAV per share practical expedient have not been classified in the fair value hierarchy. The amounts presented in the table are intended to reconcile the fair value hierarchy to the total fair value of plan assets
[3] | Investments measured at fair value using the NAV per share practical expedient have not been classified in the fair value hierarchy. The amounts presented in the table are intended to reconcile the fair value hierarchy to the total fair value of plan assets.

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