Note 8 - Borrowings (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	December 31, 2021		December 31, 2020
	(In thousands)
Long-term advances	$	80,000	$	50,000
Overnight variable-rate advances		—		59,977
Subordinated debt		40,000		—

	For the Year Ended December 31,
	2021			2020
	(Dollars in thousands)
Maximum outstanding at any month-end	$	40,000		$	100,021
Monthly average outstanding		5,207			54,548
Weighted-average daily interest rates
Annual		0.30	%		0.60	%
Period End		0.31	%		0.32	%
Interest expense during the period		6			132

	December 31, 2021					December 31, 2020
	Weighted- Average Interest Rate			Amount		Weighted- Average Interest Rate			Amount
	(Dollars in thousands)
Within one year or less		—	%	$	—		—	%	$	—
After one year through two years		1.54			15,000		1.79			10,000
After two years through three years		1.47			15,000		1.54			15,000
After three years through four years		1.42			25,000		1.47			15,000
After four years through five years		1.55			15,000		1.36			10,000
After five years		1.76			10,000		—			—
		1.52		$	80,000		1.53		$	50,000

	For the Year Ended December 31,
	2021			2020
	(Dollars in thousands)
Maximum outstanding at any month-end	$	80,000		$	55,000
Monthly average outstanding		52,500			50,000
Weighted-average interest rates
Annual		1.46	%		1.75	%
Period End		1.52	%		1.53	%
Interest expense during the period		768			920

	For the Year Ended December 31,
	2021			2020
	(Dollars in thousands)
Maximum outstanding at any month-end	$	40,000		$	—
Monthly average outstanding		30,370			—
Weighted-average interest rates
Annual		3.96	%		—	%
Period End		3.01	%		—	%
Interest expense during the period		1,203			—