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Investments - Schedule of Carrying Values of Equity Securities (Details 1)
Sep. 30, 2020
USD ($)
Schedule Of Trading Securities And Other Trading Assets [Line Items]  
Fair Value with Changes Recognized in Income $ 3,013,000
Equity securities without readily determinable fair value, amount 0
Marketable Securities  
Schedule Of Trading Securities And Other Trading Assets [Line Items]  
Fair Value with Changes Recognized in Income $ 3,013,000