Note 6 - Securities Sold Under Agreements to Repurchase (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

	Nine Months Ended September 30, 2021			Twelve Months Ended December 31, 2020
Outstanding balance at end of period	$	175,850,000		$	118,365,000
Average interest rate at end of period		0.11	%		0.12	%
Average daily balance during the period	$	151,522,000		$	132,880,000
Average interest rate during the period		0.11	%		0.12	%
Maximum daily balance during the period	$	195,570,000		$	173,186,000