Earnings Per Share (Schedule of Basic and diluted EPS) (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Weighted-average shares for basic EPS (in shares)	117,760,538	108,075,400	100,886,113
Plus incremental shares related to stock options and non-vested restricted stock (in shares)	32,030	66,732	261,837
Weighted-average shares for diluted EPS (in shares)	117,792,568	108,142,132	101,147,950