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Note 8 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2022				2021				2022				2021
Stock-based compensation expense, gross		$	6			$	3			$	17			$	10
Income tax benefit at our statutory rate associated with share-based compensation			(2	)			(1	)			(4	)			(3	)
Stock-based compensation expense, net		$	4			$	2			$	13			$	7

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

		Nine Months Ended
		September 30, 2022								September 30, 2021
						Weighted-								Weighted-
						average								average
						Grant Date								Grant Date
		*Number of*				*Fair Value*				*Number of*				*Fair Value*
		*Shares*				*Per Share*				*Shares*				*Per Share*
Restricted stock - common:
Outstanding - beginning of period⁽¹⁾			1,035,728			$	19.69				917,533			$	16.84
Granted⁽¹⁾			400,927			$	21.68				343,402			$	18.73
Vested			(341,918	)		$	19.03				(613,179	)		$	15.48
Outstanding - end of period⁽¹⁾			1,094,737			$	20.62				647,756			$	19.13

Restricted stock - class A common:
Outstanding - beginning of period⁽¹⁾			720,421			$	18.22				480,042			$	16.10
Granted⁽¹⁾			250,448			$	20.52				233,425			$	17.67
Vested			(229,758	)		$	16.99				(248,539	)		$	15.00
Outstanding - end of period⁽¹⁾			741,111			$	19.38				464,928			$	17.47

Restricted stock units - common stock:
Outstanding - beginning of period			125,247			$	19.02				90,184			$	18.92
Granted			259,079			$	23.87				95,115			$	19.05
Vested			(108,921	)		$	19.03				(60,052	)		$	18.92
Forfeited			(1,260	)		$	19.05				-			$	-
Outstanding - end of period			274,145			$	23.60				125,247			$	19.02