Stock-Based Compensation (Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Options (in shares)
Beginning balance (in shares)	935,720
Granted (in shares)	0	0	0
Exercised (in shares)	0	0	0
Forfeited/expired (in shares)	(252,770)
Ending balance (in shares)	682,950	935,720
Exercisable (in shares)	682,950
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 12.74
Granted (in dollars per share)	0.00
Exercised (in dollars per share)	0.00
Forfeited/expired (in dollars per share)	12.74
Ending balance (in dollars per share)	12.74	$ 12.74
Exercisable (in dollars per share)	$ 12.74