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Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions We own a 50.0% equity investment in an SBC manufacturing joint venture in Kashima, Japan. Our outstanding payables were $14.8 million and $14.8 million as of December 31, 2021 and 2020, respectively, which were recorded in “Due to related party” liability on the Consolidated Balance Sheets. Our total purchases from the joint venture were $30.0 million, $28.4 million, and $33.0 million for the years ended December 31, 2021, 2020, and 2019, respectively. We own a 50% variable interest in KFPC, an HSBC manufacturing joint venture in Mailiao, Taiwan. The KFPC joint venture is fully consolidated in our financial statements, and our joint venture partner, Formosa Petrochemical Corporation (“FPCC”), is a related party affiliate. Under the terms of the joint venture agreement, FPCC is to provide certain site services and raw materials to KFPC. Additionally, we purchase certain raw materials from FPCC for our other manufacturing locations. Our outstanding payables were $2.5 million and $2.3 million as of December 31, 2021 and 2020, respectively, which were recorded in “Due to related party” liability on the Consolidated Balance Sheets. Our total purchases from this joint venture were $49.1 million, $47.6 million, and $48.5 million for the years ended December 31, 2021, 2020, and 2019, respectively. See Note 15 Variable Interest Entity, for further discussion related to the KFPC joint venture.