Cash and Due from Banks	12 Months Ended
Cash and Due from Banks	Dec. 31, 2017
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 $8,944,000, $16,643,000 and $8,175,000 were maintained in satisfaction of statutory reserve requirements of the Federal Reserve Bank at December 31, 2017, 2016 and 2015, respectively. At December 31, 2017, the Company’s cash accounts did not exceed the federally insured limits.

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.