Summary of Significant Accounting Policies (Basic and Diluted Earnings Per Share (in shares)) (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Accounting Policies [Abstract]
Weighted-average shares for basic EPS	132,655,676	131,846,816
Plus incremental shares related to stock options and non-vested restricted stock	322,468	0
Weighted-average shares for diluted EPS	132,978,144	131,846,816