Earnings Per Share (Schedule of Weighted Average Number of Shares for Calculating Diluted Earnings per Share) (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Weighted average common shares outstanding	30,920	30,793	30,920	30,781
Unvested or unconverted restricted stock units	84		84
Common shares outstanding for diluted earnings per share	31,004	30,793	31,004	30,781