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Income Taxes - Components of Income Tax Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Current Federal $ 16
Current State and local 5
Current Income Tax Expense 21
Deferred Federal (16)
Deferred State and local (5)
Deferred Income Tax Expense (21)
Total income tax expense