Note 24 - Stock Yards Bancorp, Inc. (Parent Company Only) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash on deposit with subsidiary bank	$ 46,863	$ 51,892
Other assets	50,939	45,172
Total assets	3,724,197	3,302,924	$ 3,239,646
Liabilities and stockholders' equity
Other liabilities	60,587	46,788
Stockholders' Equity Attributable to Parent, Ending Balance	406,297	366,500	$ 333,644	$ 313,872
Total liabilities and stockholders’ equity	3,724,197	3,302,924
Parent Company [Member]
Assets
Cash on deposit with subsidiary bank	14,714	7,655
Investment in and receivable from subsidiaries	384,136	356,118
Other assets	7,821	3,147
Total assets	406,671	366,920
Liabilities and stockholders' equity
Other liabilities	374	420
Stockholders' Equity Attributable to Parent, Ending Balance	406,297	366,500
Total liabilities and stockholders’ equity	$ 406,671	$ 366,920