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Investments (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Investments [Abstract]    
Assets On Deposit Amortized Cost $ 3,611,292 $ 2,958,178
Assets On Deposits Fair Value 3,612,844 2,772,809
Proceeds From Sale Of Available-For-Sale Securities 5,752,910 10,043,118
Available-for-sale Securities, Gross Realized Gains 268,848 27,972
Available-for-sale Securities, Gross Realized Losses $ 30,885 $ 367,792