Note 16 - Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

(dollars in thousands)
							Fair value
Notional		Maturity	Receive (variable)	Pay fixed			assets (liabilities)
amount		date	index	swap rate			March 31, 2020			December 31, 2019
$	10,000	12/6/2021	US 3 Month LIBOR		1.89	%	$	(153	)	$	(45	)
	20,000	12/6/2020	US 3 Month LIBOR		1.79	%		(244	)		(6	)
$	30,000				1.82	%	$	(397	)	$	(51	)

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)	2020		2019		2020		2019
Notional amount	$	100,783	$	99,000	$	100,783	$	99,000
Weighted average maturity (years)		8.0		8.2		8.0		8.2
Fair value	$	9,508	$	2,696	$	9,527	$	2,767