Note 9 - Interest-bearing Deposits - Scheduled Maturities of Time Deposits of $250 Thousand or More (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Three months or less	$ 11,493
Over three months through six months	14,830
Over six months through twelve months	16,117
Over twelve months	26,577
Total certificates of deposit of $250 thousand or more	$ 69,017