Summary of Significant Accounting Policies (Basic and Diluted Earnings Per Share (in shares)) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accounting Policies [Abstract]
Weighted-average shares for basic EPS	124,066,347	123,924,385	123,999,345	123,543,001
Plus incremental shares related to stock options and non-vested restricted stock	211,903	141,031	214,225	183,852
Weighted-average shares for diluted EPS	124,278,250	124,065,416	124,213,570	123,726,853