XML 83 R70.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Deferred tax assets, valuation allowance $ 0 $ 0
U.S. Federal statutory income tax rate 21.00% 21.00%