Note 22 - Segments - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Net interest income	$ 64,979	$ 61,315	$ 187,071	$ 185,316
Provision for credit losses	4,325	2,775	7,050	7,750
All other non-interest income	13,866	12,866	39,226	38,100
Non-interest expenses	48,452	46,702	146,522	137,816
Income before income tax expense	36,999	34,734	105,222	107,553
Income tax expense	7,639	7,642	22,377	23,749
Net income	29,360	27,092	82,845	83,804
Segment assets	8,437,280	7,903,430	8,437,280	7,903,430	$ 8,170,102
Fiduciary and Trust [Member]
Non-interest income	10,931	10,030	32,497	29,703
Commercial Banking [Member]
Net interest income	64,711	61,155	186,295	184,895
Provision for credit losses	4,325	2,775	7,050	7,750
All other non-interest income	13,866	12,866	39,226	38,100
Non-interest expenses	42,996	41,788	128,604	121,265
Income before income tax expense	31,256	29,458	89,867	93,980
Income tax expense	6,393	6,497	19,045	20,804
Net income	24,863	22,961	70,822	73,176
Segment assets	8,403,147	7,867,626	8,403,147	7,867,626
Commercial Banking [Member] | Fiduciary and Trust [Member]
Non-interest income	0	0	0	0
Investment Management and Trust [Member]
Net interest income	268	160	776	421
Provision for credit losses	0	0	0	0
All other non-interest income	0	0	0	0
Non-interest expenses	5,456	4,914	17,918	16,551
Income before income tax expense	5,743	5,276	15,355	13,573
Income tax expense	1,246	1,145	3,332	2,945
Net income	4,497	4,131	12,023	10,628
Segment assets	34,133	35,804	34,133	35,804
Investment Management and Trust [Member] | Fiduciary and Trust [Member]
Non-interest income	$ 10,931	$ 10,030	$ 32,497	$ 29,703