| Schedule of Short-term Debt [Table Text Block] |
December 31, (Dollars in thousands) | | | | | | | Federal funds purchased and short-term securities sold under agreements to repurchase | | $ | 35,085 | | | $ | 34,353 | | | | | $ | 35,085 | | | $ | 34,353 | | | | | | | | | | | | Average balance during the year | | $ | 36,919 | | | $ | 31,580 | | Maximum month-end balance during the year | | | 41,397 | | | | 39,474 | | Average interest rate during the year | | | .27 | % | | | .16 | % | Average interest rate at year-end | | | .35 | | | | .24 | | |