Earnings (Loss) Per Share (Basic and Diluted Earnings (Loss) Per Common Share) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Weighted average common shares outstanding - Basic (in shares)	58,750	57,995	57,580
Assumed conversions:
Weighted average common shares outstanding - Diluted (in shares)	58,750	57,995	57,580
Stock options
Class of Stock [Line Items]
Anti-dilutive securities excluded from calculation of earnings per share (in shares)			700
Assumed conversions:
Incremental common shares (in shares)	0	0	0
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Anti-dilutive securities excluded from calculation of earnings per share (in shares)	100	700	800
Assumed conversions:
Incremental common shares (in shares)	0	0	0