Schedule II Valuation and Qualifying Accounts (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Movement in Valuation Allowances and Reserves [Roll Forward] | |||
Balance | $ 5,847 | $ 41,924 | $ 42,154 |
Additions Charged to other accounts | 38,150 | 276 | |
Deductions | (1,121) | (36,077) | (506) |
Balance | $ 42,876 | $ 5,847 | $ 41,924 |