Note 18 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of			Weighted Average
	Shares			Grant Date Fair Value
Nonvested at December 31, 2020		1,488,961		$	13.07
Granted		90,734		$	10.58
Vested		(586,059	)	$	12.93
Forfeited		(18,754	)	$	10.55
Nonvested at December 31, 2021		974,882		$	12.94

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

	Number of			Weighted Average
	Shares			Grant Date Fair Value
Nonvested at December 31, 2020		336,845		$	17.81
Granted		16,121		$	7.85
Vested		(90,070	)	$	7.85
Forfeited		(76,544	)	$	36.15
Nonvested at December 31, 2021		186,352		$	14.24