Earnings per Share (Details) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Weighted average basic common shares outstanding	44,152	45,526	44,571	45,854
Stock options (in shares)	0	0	0	1
Performance shares (in shares)	121	135	110	115
Restricted stock (in shares)	108	167	142	180
Weighted average diluted common and potential common shares outstanding	44,381	45,828	44,823	46,150