Equity Incentive Awards (Tables)

12 Months Ended

Dec. 31, 2016

Equity Incentive Awards [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

	2016				2015				2014
(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	4,217		$	12.35	3,371		$	14.98	3,329		$	16.94
Granted	1,370		10.40		1,207		6.83		643		11.76
Exercised	(495	)	12.17		(19	)	11.14		(32	)	10.22
Expired	(195	)	27.33		(187	)	27.29		(476	)	24.78
Forfeited	(63	)	10.45		(155	)	8.51		(93	)	13.79
Outstanding at end of year	4,834		11.24		4,217		12.35		3,371		14.98
Exercisable at end of year	2,727		$	12.55	2,686		$	14.53	2,417		$	15.89

Schedule of Nonvested Restricted Stock Units Activity

	Shares		Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at December 31, 2015	637		$	8.74
Granted	496		8.20
Vested	(206	)	9.75
Forfeited	(52	)	9.82
Outstanding at December 31, 2016	875		$	8.13