Stock-Based Compensation And Incentive Performance Plans (2019 Equity Inducement Award Program) (Details) - 2019 Equity Inducement Award Program [Member] - PSUs [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 29, 2019	Feb. 19, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	926,000	187,000	739,000
Percent of targeted award	300.00%
Vesting period	3 years
Holding period	1 year
Grant date fair value (USD per share)		$ 3.01	$ 1.79
Grant date fair value	$ 1,887	$ 563	$ 1,324
Compound Annual Total Shareholder Return over Performance Period (in shares)	0
Annual total shareholder return percent	15.00%
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	0
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	926,000