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Other Assets	12 Months Ended
Other Assets	Dec. 31, 2020
Other Assets [Abstract]
Other Assets [Text Block]	Note 18 – Other Non-Current Assets Other non-current assets as of December 31, 2020 and 2019 were as follows: 2020 2019 Uncertain tax positions $ 7,209 $ 4,993 Pension assets 6,748 — Debt issuance costs 5,919 7,571 Indemnification assets 7,615 4,006 Supplemental retirement income program 1,961 1,782 Restricted insurance settlement — 19,678 Other 2,344 2,403 Total other assets $ 31,796 $ 40,433 During December 2020, the restrictions lapsed over certain cash that was previously only designated to be used for settlement of asbestos claims at an inactive subsidiary of the Company. As of December 31, 2020 and 2019, indemnification assets relates to certain Houghton foreign subsidiaries for which the Company expects it will incur additional tax amounts which are subject to indemnification under the terms of the Combination share and purchase agreement. These indemnification assets have a corresponding uncertain tax position recorded in other non-current liabilities. As of December 31, 2020, one of the Company’s foreign pension plan’s fair value of plan assets exceeded its gross benefit obligation and was therefore over-funded, which is represented by the line Pension assets in the table above. See Notes 10, 12, 21 and 22 of Notes to Consolidated Financial Statements.