Net Income per Common Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share Reconciliation [Abstract]

Schedule of reconciliation of the denominator of the basic net income per common share computation to the denominator of the diluted net income per common share computation

The following is a reconciliation of the denominator of the basic net income per common share computation to the denominator of the diluted net income per common share computation.

	Three months ended September 30,		Nine months ended September 30,
	2018	2017	2018	2017
Weighted average shares used for the basic net income per share computation	290,664,368	275,511,870	286,599,191	270,584,365
Incremental shares from share-based compensation	225,796	221,779	189,072	224,727
Weighted average partnership common units convertible to common shares that were dilutive	317,022	317,022	317,022	317,022
Weighted average shares used for diluted net income per share computation	291,207,186	276,050,671	287,105,285	271,126,114
Unvested shares from share-based compensation that were anti-dilutive	261	15,798	1,378	17,719
Weighted average partnership common units convertible to common shares that were anti-dilutive	397,690	88,182	271,890	88,182