Earnings Per Share (Narrative) (Details) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2017
Series A Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Percentage of common stock if-converted Series A preferred stock (percent)		16.10%
Series A preferred shares, number of shares issuable if converted (shares)		13,793,100
Stock Options and Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities not included in the calculation of diluted income per share	1,700,000	700,000