Annual report pursuant to Section 13 and 15(d)

Schedule II Valuation and Qualifying Accounts (Details)

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Schedule II Valuation and Qualifying Accounts (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance $ 41,924 $ 42,154 $ 64,573
Additions Charged to other accounts   276  
Deductions (36,077) (506) (22,419)
Balance $ 5,847 $ 41,924 $ 42,154