Note 21 - Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2023

Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

							Fair value
(dollars in thousands)				Pay fixed			March 31,
Notional Amount		Maturity Date	Receive (variable) index	swap rate			2023
$	100,000,000	2/6/2028	USD SOFR		3.27	%	$	494

Not Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

	Receiving				Paying
	March 31,		December 31,		March 31,		December 31,
(dollars in thousands)	2023		2022		2023		2022
Notional amount	$	108,252	$	132,831	$	108,252	$	132,831
Weighted average maturity (years)		7.2		7.1		7.2		7.1
Fair value	$	8,142	$	10,727	$	8,152	$	10,737