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Cash and Due from Banks	12 Months Ended
Cash and Due from Banks	Dec. 31, 2018
Cash and Cash Equivalents [Abstract]
Cash and Due from Banks [Text Block]	Cash and Due from Banks Aggregate cash and due from bank balances of $14,564,000, $8,944,000 and $16,643,000 were maintained in satisfaction of statutory reserve requirements of the Federal Reserve Bank at December 31, 2018, 2017 and 2016, respectively. At December 31, 2018, the Company's cash accounts exceeded federal insurance limits by $1,906,000.