Note 20 - Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

							Fair value
(dollars in thousands)				Pay fixed			September 30,
Notional Amount		Maturity Date	Receive (variable) index	swap rate			2023
$	100,000,000	2/6/2028	USD SOFR		3.27	%	$	4,520
$	50,000,000	8/6/2026	USD SOFR		4.38	%	$	344
$	50,000,000	8/6/2028	USD SOFR		3.97	%	$	806

Not Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

	Receiving				Paying
	September 30,		December 31,		September 30,		December 31,
(dollars in thousands)	2023		2022		2023		2022
Notional amount	$	169,054	$	132,831	$	169,054	$	132,831
Weighted average maturity (years)		6.0		7.1		6.0		7.1
Fair value	$	11,920	$	10,727	$	11,929	$	10,737