Earnings Per Share (Schedule of Weighted Average Number of Shares for Calculating Diluted Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Weighted average common shares outstanding	30,933	30,933	30,933	30,933
Unconverted restricted stock units	75		75	75
Common shares outstanding for diluted earnings per share	31,008	30,933	31,008	31,008