Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options, Beginning balance (shares)	129,365
Options, Granted (shares)	0
Options, Exercised (shares)	0
Options, Forfeited/expired (shares)	(49,994)
Options, Ending balance (shares)	79,371	129,365
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Beginning balance (dollars per share)	$ 26.31
Weighted Average Exercise Price, Granted (dollars per share)	0.00
Weighted Average Exercise Price, Exercised (dollars per share)	0.00
Weighted Average Exercise Price, Forfeited/expired (dollars per share)	38.73
Weighted Average Exercise Price, Ending balance (dollars per share)	$ 7.08	$ 26.31
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Weighted Average Remaining Contractual Term (In Years)	3 years 3 months 18 days	2 years 10 months 24 days
Aggregate Intrinsic Value	$ 0	$ 0
Aggregate Intrinsic Value, Exercised	$ 0
Options Exercisable (shares)	47,508
Weighted Average Exercise Price, Options Exercisable (dollars per share)	$ 7.23
Weighted Average Remaining Contractual Term, Options Exercisable (In Years)	3 years 7 days
Aggregate Intrinsic Value, Options Exercisable	$ 0