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

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

	Three Months Ended			Twelve Months Ended
	March 31, 2022			December 31, 2021
Outstanding balance at end of period	$	204,271,000		$	197,463,000
Average interest rate at end of period		0.10	%		0.11	%
Average daily balance during the period	$	198,949,000		$	158,855,000
Average interest rate during the period		0.10	%		0.11	%
Maximum daily balance during the period	$	224,345,000		$	209,093,000