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Income Taxes - Total Provision Allocated In Components (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Income (loss) from continuing operations $ 9,788 $ 14,997 $ 4,893
Loss from discontinued operations 0 0 (4,616)
Total provision for income taxes $ 9,788 $ 14,997 $ 277