Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Shareholders’ Equity [Abstract]

Preferred Shares Outstanding

			At June 30, 2020			At December 31, 2019
Series	Earliest Redemption Date	Dividend Rate	Shares Outstanding	Liquidation Preference		Shares Outstanding	Liquidation Preference
			(Dollar amounts in thousands)
Series V	9/20/2017	5.375%	-	$	-	19,800	$	495,000
Series W	1/16/2018	5.200%	20,000		500,000	20,000		500,000
Series X	3/13/2018	5.200%	9,000		225,000	9,000		225,000
Series B	1/20/2021	5.400%	12,000		300,000	12,000		300,000
Series C	5/17/2021	5.125%	8,000		200,000	8,000		200,000
Series D	7/20/2021	4.950%	13,000		325,000	13,000		325,000
Series E	10/14/2021	4.900%	14,000		350,000	14,000		350,000
Series F	6/2/2022	5.150%	11,200		280,000	11,200		280,000
Series G	8/9/2022	5.050%	12,000		300,000	12,000		300,000
Series H	3/11/2024	5.600%	11,400		285,000	11,400		285,000
Series I	9/12/2024	4.875%	12,650		316,250	12,650		316,250
Series J	11/15/2024	4.700%	10,350		258,750	10,350		258,750
Series K	12/20/2024	4.750%	9,200		230,000	9,200		230,000
Series L	6/17/2025	4.625%	22,600		565,000	-		-
Total Preferred Shares			165,400	$	4,135,000	162,600	$	4,065,000