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Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Expense Relatedto Net Income [Abstract]      
U.S. federal $ (4,865) $ 1,117 $ 210
U.S. state 66 411 406
Total current (4,799) 1,528 616
U.S. federal 4,895 (2,737) (16,064)
U.S. state (1,326) (1,524) (2,789)
Total deferred 3,569 (4,261) (18,853)
Income tax benefit $ (1,230) $ (2,733) $ (18,237)