Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Details)

v3.21.1
Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Allowance for Doubtful Accounts [Member]    
Balance at Beginning of Period $ 25
Additions (Reductions) Charged to Operations
Deductions Other [1] 250 25
Balance at end of Period 275 25
Allowance for Doubtful Notes [Member]    
Balance at Beginning of Period 869 869
Additions (Reductions) Charged to Operations
Deductions Other [1]
Balance at end of Period 869 869
Tax Valuation Allowance [Member]    
Balance at Beginning of Period [2] 17,027 11,031
Additions (Reductions) Charged to Operations [2]
Deductions Other [1] 6,657 5,996 [2]
Balance at end of Period $ 23,684 $ 17,027 [2]
[1] Includes payments and actual write offs, as well as changes in estimates in the reserves.
[2] Opening balance has been adjusted to reflect the impact of the immaterial revision described in Note 1.