Earnings per Share (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Weighted average basic common shares outstanding	44,908	46,201
Stock options (in shares)	0	4
Performance shares (in shares)	100	80
Restricted stock (in shares)	174	208
Weighted average diluted common and potential common shares outstanding	45,182	46,493