Equity Incentive Awards (Tables)

12 Months Ended

Dec. 31, 2020

Equity Incentive Awards [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

	2020			2019			2018
(in thousands, except exercise price data)	Options	Weighted Average Exercise Price		Options	Weighted Average Exercise Price		Options	Weighted Average Exercise Price
Outstanding at beginning of year	7,695	$	8.95	6,152	$	10.68	4,961	$	11.17
Granted	3,495	3.24		2,435	5.06		1,916	10.00
Exercised	—	—		—	—		(97)	7.55
Expired	(236)	12.91		(212)	9.95		(239)	14.21
Forfeited	(2,557)	6.78		(680)	10.42		(389)	12.04
Outstanding at end of year	8,397	7.12		7,695	8.95		6,152	10.68
Exercisable at end of year	4,684	$	9.48	4,275	$	10.56	3,620	$	10.72

Schedule of Nonvested Restricted Stock Units Activity

	Shares	Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at December 31, 2019	2,830	$	6.35
Granted	3,144	3.27
Vested	(1,219)	6.56
Forfeited	(1,986)	4.13
Outstanding at December 31, 2020	2,769	$	4.35