| Schedule of Outstanding Commitments to Originate Loans [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2019: | | | | | | | | | | | | | | Residential real estate | | $ | 165 | | | $ | 10,377 | | | $ | 10,542 | | | Home equity | | | 40,429 | | | | 8,841 | | | | 49,270 | | | Commercial real estate | | | 5,890 | | | | 11,537 | | | | 17,427 | | | Construction and land development | | | 15,797 | | | | 25,165 | | | | 40,962 | | | Multifamily | | | 4,093 | | | | 306 | | | | 4,399 | | | Consumer | | | 21,677 | | | | - | | | | 21,677 | | | Commercial business | | | 1,161 | | | | 52,879 | | | | 54,040 | | | Government | | | - | | | | - | | | | - | | | Total | | $ | 89,212 | | | $ | 109,105 | | | $ | 198,317 | | | | | | | | | | | | | | | | | December 31, 2018: | | | | | | | | | | | | | | Residential real estate | | $ | 106 | | | $ | 10,812 | | | $ | 10,918 | | | Home equity | | | 35,571 | | | | 5,960 | | | | 41,531 | | | Commercial real estate | | | 6,397 | | | | 9,258 | | | | 15,655 | | | Construction and land development | | | 18,355 | | | | 35,222 | | | | 53,577 | | | Multifamily | | | 4,151 | | | | 389 | | | | 4,540 | | | Consumer | | | 18,862 | | | | - | | | | 18,862 | | | Commercial business | | | 1,655 | | | | 44,935 | | | | 46,590 | | | Government | | | - | | | | - | | | | - | | | Total | | $ | 85,097 | | | $ | 106,576 | | | $ | 191,673 | | |