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 for deferred tax assets - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 1,419 $ 1,413 $ 2,882
Additions Charged to Expenses 0 6 0
Net Recoveries (17) 0 (1,469)
Balance at End of Year $ 1,402 $ 1,419 $ 1,413