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Income Taxes - Deferred Tax Reclassifications (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Other non-current assets $ 685 $ 761
Deferred tax liability (38,079) (53,831)
Net deferred tax liability $ (37,394) $ (53,070)