XML 50 R37.htm IDEA: XBRL DOCUMENT v3.20.4
Intangible Assets, Goodwill and Other (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
Finite-Lived Intangible Assets, Accumulated Amortization $ 200,000 $ 0.1