Note 17 - Other Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	For the Years Ended
	December 31,
	2021			2020			2019
Net periodic benefit costs	$	1,075		$	1,700		$	1,483
Discount rate assumption used to determine net periodic benefit costs		1.86	%		2.86	%		3.97	%