Annual report pursuant to Section 13 and 15(d)

Accrued Closure Costs and ARO (Tables)

v3.21.1
Accrued Closure Costs and ARO (Tables)
12 Months Ended
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Change in Asset Retirement Obligation

Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2020 and 2019, were as follows:

 

Amounts in thousands      
Balance as of December 31, 2018     6,750  
Accretion expense     320  
Spending     (1,359 )
Adjustment to closure liability     330  
Balance as of December 31, 2019   $ 6,041  
Accretion expense     335  
Spending     (11 )
Balance as of December 31, 2020   $ 6,365  
Schedule of Asset Retirement Obligations

The reported closure asset or ARO, is reported as a component of “Net Property and equipment” in the Consolidated Balance Sheets at December 31, 2020 and 2019 with the following activity for the years ended December 31, 2020 and 2019:

 

Amounts in thousands      
Balance as of December 31, 2018     3,730  
Amortization of closure and post-closure asset     (191 )
Balance as of December 31, 2019   $ 3,539  
Amortization of closure and post-closure asset     (191 )
Balance as of December 31, 2020   $ 3,348