Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Summary of dividends declared and paid per share

The following table provides a summary of dividends declared and paid per share:

	Three Months Ended March 31,
	2019				2018
	Declared		Paid		Declared		Paid
Common shares	$	1.020	$	1.020	$	1.000	$	1.000
5.417% Series 1 Cumulative Convertible Preferred shares	$	0.339	$	0.339	$	0.339	$	0.339
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.313	$	0.313	$	0.313	$	0.368

(1) Amount represents dividends per depository share, each representing 1/1000th of a share.