Weighted Average Common Shares

12 Months Ended

Dec. 31, 2017

Earnings Per Share, Basic and Diluted [Abstract]

Weighted Average Common Shares

Weighted Average Common 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:

	For the Year Ended December 31,
	2017	2016	2015
	(in thousands)
Weighted average common shares for basic earnings per share	164,146	156,062	150,709
Effect of dilutive securities:
Contingently issuable common shares	—	—	269
Unvested share awards	29	26	24
Weighted average common shares for diluted earnings per share	164,175	156,088	151,002