Share-Based Compensation (Summary of Stock Option Activity) (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning balance (in shares) | shares	500,000
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited (in shares) | shares	0
Options outstanding, ending balance (in shares) | shares	500,000
Options exercisable (in shares) | shares	400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Options outstanding, beginning balance (in dollars per share) | $ / shares	$ 7.49
Granted (in dollars per share) | $ / shares	0.00
Exercised (in dollars per share) | $ / shares	0.00
Forfeited (in dollars per share) | $ / shares	0.00
Options outstanding, ending balance (in dollars per share) | $ / shares	7.49
Options exercisable (in dollars per share) | $ / shares	$ 7.49
Options outstanding, weighted average remaining life (in years)	5 years 9 months 26 days
Options exercisable, weighted average remaining life (in years)	5 years 9 months 26 days
Options outstanding, aggregate intrinsic value | $	$ 0
Options exercisable, aggregate intrinsic value | $	0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Value, Stock Options Exercised | $	$ 0