Note 16 - Fair Value Measurements - Schedule of Reconciliation of Financial Assets and Liabilities with Unobservable Inputs (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest Rate Lock Commitments [Member]
Beginning balance, derivative asset (liability)		$ 107	$ 757	$ 4,024
Purchases and issuances, derivative asset (liability)		4,291	3,215	23,164
Sales and settlements, derivative asset (liability)		(4,069)	(3,865)	(26,431)
Ending balance, derivative asset (liability)		329	107	757
Gain (Loss) Included in Earnings, derivative asset (liability)	[1]	222	(650)	(3,267)
Gain (Loss) Included in Other Comprehensive Income (Loss), derivative asset (liability)	[2]	0	0	0
Mandatory and Best Effort Forward Commitments [Member]
Beginning balance, derivative asset (liability)		(38)	808	(67)
Purchases and issuances, derivative asset (liability)		66	6,383	2,526
Sales and settlements, derivative asset (liability)		(216)	(7,229)	(1,651)
Ending balance, derivative asset (liability)		(188)	(38)	808
Gain (Loss) Included in Earnings, derivative asset (liability)	[1]	(150)	(846)	875
Gain (Loss) Included in Other Comprehensive Income (Loss), derivative asset (liability)	[2]	$ 0	0	0
Securities Available for Sale [Member]
Beginning balance, asset			$ 1,138	1,111
Purchases and Issuance, asset				40
Sales and Settlements, asset				(13)
Ending balance, asset				1,138
Gain (Loss) Included in Earnings, asset	[1]			0
Gain (Loss) Included in Other Comprehensive Income (Loss), asset	[2]			$ 27

[1] Relating to items held at end of period included in income.

[2] Relating to items held at end of period included in other comprehensive income (loss).