Stock Based Compensation (Stock Option Activity) (Details) - USD ($) $ / shares in Units, shares in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Number of shares [Roll Forward]
Number of shares, beginning balance (in shares)	5,817
Number of shares, granted (in shares)	505
Number of shares, exercised (in shares)	(35)
Number of shares, forfeited/expired (in shares)	(547)
Number of shares, ending balance (in shares)	5,740	5,817
Number of shares, options exercisable (in shares)	4,850
Weighted average exercise price [Roll Forward]
Weighted average exercise price, beginning balance (in dollars per share)	$ 12.66
Weighted average exercise price, granted (in dollars per share)	12.00
Weighted average exercise price, exercised (in dollars per share)	7.11
Weighted average exercise price, forfeited/expired (in dollars per share)	15.22
Weighted average exercise price, ending balance (in dollars per share)	12.39	$ 12.66
Weighted average exercise price, options exercisable (in dollars per share)	$ 12.25
Remaining weighted average contractual life, outstanding	3 years 8 months 21 days	4 years 7 months 6 days
Remaining weighted average contractual life, exercisable	3 years
Intrinsic value, options outstanding	$ 0	$ 0
Intrinsic value, options exercisable	$ 0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.