Note 22 - Segments - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Net interest income	$ 62,022	$ 60,929	$ 122,092	$ 124,001
Provision for credit losses	1,300	2,350	2,725	4,975
All other non-interest income	12,860	12,714	25,360	25,234
Non-interest expenses	49,109	45,800	98,070	91,114
Income before income tax expense	35,268	35,639	68,223	72,819
Income tax expense	7,670	7,975	14,738	16,107
Net income	27,598	27,664	53,485	56,712
Segment assets	8,315,325	7,732,552	8,315,325	7,732,552	$ 8,170,102
Fiduciary and Trust [Member]
Non-interest income	10,795	10,146	21,566	19,673
Commercial Banking [Member]
Net interest income	61,790	60,796	121,584	123,740
Provision for credit losses	1,300	2,350	2,725	4,975
All other non-interest income	12,860	12,714	25,360	25,234
Non-interest expenses	42,629	39,877	85,608	79,477
Income before income tax expense	30,721	31,283	58,611	64,522
Income tax expense	6,683	7,030	12,652	14,307
Net income	24,038	24,253	45,959	50,215
Segment assets	8,280,324	7,696,386	8,280,324	7,696,386
Commercial Banking [Member] | Fiduciary and Trust [Member]
Non-interest income	0	0	0	0
Investment Management and Trust [Member]
Net interest income	232	133	508	261
Provision for credit losses	0	0	0	0
All other non-interest income	0	0	0	0
Non-interest expenses	6,480	5,923	12,462	11,637
Income before income tax expense	4,547	4,356	9,612	8,297
Income tax expense	987	945	2,086	1,800
Net income	3,560	3,411	7,526	6,497
Segment assets	35,001	36,166	35,001	36,166
Investment Management and Trust [Member] | Fiduciary and Trust [Member]
Non-interest income	$ 10,795	$ 10,146	$ 21,566	$ 19,673