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

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

	Three Months Ended			Twelve Months Ended
	March 31, 2019			December 31, 2018
Outstanding balance at end of period	$	111,235,000		$	103,519,000
Average interest rate at end of period		0.25	%		0.26	%
Average daily balance during the period	$	98,923,000		$	101,005,000
Average interest rate during the period		0.25	%		0.24	%
Maximum daily balance during the period	$	119,161,000		$	123,046,000