Note 21 - Stock-based Compensation - Options Exercised (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Number of options exercised (in shares)	305,125	292,450
Aggregate fair value	$ 16,778	$ 14,441
Share-Based Payment Arrangement, Option [Member]
Number of options exercised (in shares)	305,125	292,450
Aggregate fair value	$ 41,528	$ 32,808
Intrinsic value	16,779	14,440
Amount of cash received	24,749	18,368
Tax benefit recognized	$ 754	$ 937

Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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