Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

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:

	Nine Months Ended September 30,
	2021				2020
	Declared		Paid		Declared		Paid
Common shares	$	3.190	$	3.180	$	3.160	$	3.150
5.417% Series 1 Cumulative Convertible Preferred shares	$	1.016	$	1.016	$	1.016	$	1.016
5.0% Series C Cumulative Redeemable Preferred shares (1)	$	0.938	$	0.938	$	0.938	$	0.938

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