Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Note [Abstract]

Summary of Stockholder's Equity Capital Accounts

The following is a summary of our common stock activity during the periods indicated (dollars in thousands, except average price amounts):

	Shares Issued	Average Price		Gross Proceeds		Net Proceeds
2017 Dividend reinvestment plan issuances	5,640,008	$	70.13	$	395,526	$	394,639
2017 Option exercises	252,979	51.16		12,942		12,942
2017 Equity Shelf Program issuances	2,986,574	72.30		215,917		214,406
2017 Preferred stock conversions	4,300			—		—
2017 Redemption of equity membership units	91,180			—		—
2017 Stock incentive plans, net of forfeitures	154,337			—		—
2017 Totals	9,129,378			$	624,385	$	621,987
2018 Dividend reinvestment plan issuances	6,529,417	$	65.55	$	428,009	$	423,075
2018 Option exercises	56,960	42.66		2,430		2,430
2018 Equity Shelf Program issuances	5,241,349	69.95		366,640		364,070
2018 Preferred stock conversions	83			—		—
2018 Stock incentive plans, net of forfeitures	115,243			—		—
2018 Totals	11,943,052			$	797,079	$	789,575
2019 Dividend reinvestment plan issuances	5,798,979	$	77.18	$	447,559	$	443,929
2019 Option exercises	10,736	51.32		551		551
2019 Equity Shelf Program issuances	7,855,956	78.15		613,948		611,645
2019 Preferred stock conversions	12,712,452			—		—
2019 Stock incentive plans, net of forfeitures	203,889			—		—
2019 Totals	26,582,012			$	1,062,058	$	1,056,125

The following is a summary of our stockholders’ equity capital accounts as of the dates indicated:

	December 31, 2019	December 31, 2018
Preferred Stock, $1.00 par value:
Authorized shares	50,000,000	50,000,000
Issued shares	—	14,375,000
Outstanding shares	—	14,369,965
Common Stock, $1.00 par value:
Authorized shares	700,000,000	700,000,000
Issued shares	411,550,857	384,849,236
Outstanding shares	410,256,615	383,674,603

Preferred Stock  

The following is a summary of our preferred stock activity during the periods presented:

	Year Ended
	December 31, 2019			December 31, 2018			December 31, 2017
			Weighted Avg.			Weighted Avg.			Weighted Avg.
	Shares		Dividend Rate	Shares		Dividend Rate	Shares		Dividend Rate
Beginning balance	14,369,965		6.50%	14,370,060		6.50%	25,875,000		6.50%
Shares redeemed	—		—%	—		—%	(11,500,000	)	6.50%
Shares converted	(14,369,965	)	6.50%	(95	)	6.50%	(4,940	)	6.50%
Ending balance	—		—%	14,369,965		6.50%	14,370,060		6.50%

Summary of Dividend Payments

The following is a summary of our dividend payments (in thousands, except per share amounts):

	Year Ended
	December 31, 2019				December 31, 2018				December 31, 2017
	Per Share		Amount		Per Share		Amount		Per Share		Amount
Common Stock	$	3.4800	$	1,404,977	$	3.4800	$	1,300,141	$	3.4800	$	1,277,321
Series I Preferred Stock	—		—		3.2500		46,704		3.2500		46,711
Series J Preferred Stock	—		—		—		—		0.2347		2,699
Totals			$	1,404,977			$	1,346,845			$	1,326,731

Summary of Accumulated Other Comprehensive Income/(Loss)

The following is a summary of accumulated other comprehensive income/(loss) for the periods presented (in thousands):

	December 31, 2019			December 31, 2018
Foreign currency translation	$	(719,814	)	$	(868,006	)
Derivative and financial instruments designated as hedges	607,657			738,777
Actuarial losses	—			(540		)
Total accumulated other comprehensive loss	$	(112,157	)	$	(129,769	)