Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details)

v3.21.1
Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Discontinued Operations and Disposal Groups [Abstract]    
Other assets $ 22 $ 104
Total current assets 22 104
Property, plant and equipment, net [1] 81 81
Other assets 36
Total long-term assets 81 117
Total assets 103 221
Accounts payable 4 8
Accrued expenses and other liabilities 150 169
Environmental liabilities 744 817
Total current liabilities 898 994
Closure liabilities 142 134
Environmental liabilities 110 110
Total long-term liabilities 252 244
Total liabilities $ 1,150 $ 1,238
[1] Net of accumulated depreciation of $10,000 for each period presented.