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Other Long-Term Liabilities	12 Months Ended
Other Long-Term Liabilities	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Other Long-Term Liabilities	Other Long-Term Liabilities As of December 31, 2021, other long-term liabilities mainly consist of an unrecognized tax benefit liability of $5.6 million, and other long-term liabilities of $2.7 million. As of December 31, 2020, other long-term liabilities mainly consist of an unrecognized tax benefit liability of $8.7 million, and long-term portion of notes payable and long-term liabilities others of $5.3 million.