Earnings Per Share (Basic and Diluted Earnings Per Share (in shares)) (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Weighted-average shares for basic EPS	150,216,141	146,633,036	146,362,270
Plus incremental shares related to convertible debt	0	718,918	0
Plus incremental shares related to stock options and non-vested restricted stock	34,812	16,509	122,542
Weighted-average shares for diluted EPS	150,250,953	147,368,463	146,484,812