Weighted Average Common Shares (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following table provides a reconciliation of the weighted average number of common shares used in the calculation of basic and diluted earnings per share (in thousands): 

	Three Months Ended March 31,
	2017	2016
Weighted average common shares for basic earnings per share	237,391	237,315
Effect of dilutive securities: unvested share awards	25	14
Weighted average common shares for diluted earnings per share	237,416	237,329