XML 56 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Intangible Assets and Goodwill - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 300,000 $ 300,000 $ 535,000 $ 534,000
Goodwill impairment     $ 0