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Stock-Based Compensation (Schedule of Stock Option Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	1,820
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited and expired (in shares) | shares	(40)
Outstanding at end of period (in shares) | shares	1,780
Weighted Average Exercise
Outstanding at beginning of period (in usd per share) | $ / shares	$ 14.08
Granted (in usd per share) | $ / shares	0.00
Exercised (in usd per share) | $ / shares	0.00
Forfeited and expired (in usd per share) | $ / shares	13.25
Outstanding at end of period (in usd per share) | $ / shares	$ 14.10
Weighted Average Remaining Contractual Term (in years)	7 years 6 months
Aggregate Intrinsic Value (in thousands) | $	$ 0

X

- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

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Weighted average price of options that were either forfeited or expired.

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- Definition

Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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