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Other Non-Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract]  
Liability for Asset Retirement Obligations
Below is a schedule of activity in the Company’s liability for AROs for the year ended December 31, 2021 and 2020.

Balance at December 31, 2019$1,360 
Additions— 
Accretion165 
Balance at December 31, 20201,525 
Additions— 
Accretion187 
Balance at December 31, 2021$1,712