Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 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:

	Six Months Ended June 30,
	2019				2018
	Declared		Paid		Declared		Paid
Common shares	$	2.040	$	2.040	$	2.000	$	2.000
5.417% Series 1 Cumulative Convertible Preferred shares	$	0.677	$	0.677	$	0.677	$	0.677
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.625	$	0.625	$	0.625	$	0.681

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