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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Income Tax Contingency [Line Items]        
Effective income tax rate   18.50% 1.90%  
Income tax benefit   $ 586   $ 272
Subsequent Event        
Income Tax Contingency [Line Items]        
Income tax benefit $ 800