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Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]        
Current income tax expense $ 58 $ 2,033 $ 271 $ 2,043
Deferred income tax benefit (43) (106) (190) (355)
Total income tax provision $ 15 $ 1,927 $ 81 $ 1,688