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Other Long-Term Liabilities (Tables)
 12 Months Ended
Dec. 31, 2022
Other Liabilities, Noncurrent [Abstract]  
Schedule of Other Long-Term Liabilities
Other long-term liabilities consist of the following as of December 31, 2021 and 2022 (in thousands):
 December 31, 2021December 31, 2022
Contract liabilities, net of current portion$34,704 $36,540 
Asset retirement obligations9,122 6,283 
Other3,263 3,183 
Other long-term liabilities$47,089 $46,006