Senior Unsecured Notes and Secured Debt (Tables)

12 Months Ended

Dec. 31, 2014

Senior Unsecured Notes And Secured Debt (Tables) [Abstract]

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1,2)		Debt (1,3)		Totals
2015	$	-	$	399,813	$	399,813
2016		700,000		412,248		1,112,248
2017		450,000		358,023		808,023
2018		450,000		436,884		886,884
2019(4,5)		1,315,499		370,072		1,685,571
Thereafter(6,7)		4,901,655		964,725		5,866,380
Totals	$	7,817,154	$	2,941,765	$	10,758,919
(1) Amounts represent principal amounts due and do not include unamortized premiums/discounts or other fair value adjustments as reflected on the consolidated balance sheet.
(2) Annual interest rates range from 1.32% to 6.5%.
(3) Annual interest rates range from 1.0% to 7.98%. Carrying value of the properties securing the debt totaled $5,424,956,000 at December 31, 2014.
(4) On July 25, 2014, we refinanced the funding on a $250,000,000 Canadian-denominated unsecured term credit facility (approximately $215,498,664 based on the Canadian/U.S. Dollar exchange rate on December 31, 2014). The loan matures on October 31, 2018 (with an option to extend for an additional year at our discretion) and bears interest at the Canadian Dealer Offered Rate plus 115 basis points (2.4% at December 31, 2014).
(5) On July 25, 2014, we refinanced the funding on a $500,000,000 unsecured term credit facility. The loan matures on October 31, 2018 (with an option to extend for one additional year at our discretion) and bears interest at LIBOR plus 115 basis points (1.32% at December 31, 2014).
(6) On November 20, 2013, we completed funding on £550,000,000 (approximately $853,790,000 based on the Sterling/U.S. Dollar exchange rate on December 31, 2014) of 4.8% senior unsecured notes due 2028.
(7) On November 25, 2014, we completed funding on £500,000,000 (approximately $781,900,000 based on the Sterling/U.S. Dollar exchange rate on December 31, 2014) of 4.5% senior unsecured notes due 2034.

Summary of senior unsecured note issuances

	Year Ended
	December 31, 2014			December 31, 2013			December 31, 2012
			Weighted Avg.			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	7,421,707	4.395%	$	5,894,403	4.675%	$	4,464,927	5.133%
Debt issued		838,804	4.572%		2,036,930	3.824%		1,800,000	3.691%
Debt extinguished		(298,567)	5.855%		(300,000)	6.000%		(76,853)	8.000%
Debt redeemed		(59,143)	3.000%		(219,295)	3.000%		(293,671)	4.750%
Foreign currency		(85,647)	4.222%		9,669	3.993%		-	0.000%
Ending balance	$	7,817,154	4.385%	$	7,421,707	4.395%	$	5,894,403	4.675%

Secured debt principal activity

	Year Ended
		December 31, 2014		December 31, 2013			December 31, 2012
			Weighted Avg.			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	3,010,711	5.095%	$	2,311,586	5.140%	$	2,108,384	5.285%
Debt issued		109,503	3.374%		89,208	4.982%		157,418	4.212%
Debt assumed		204,949	4.750%		1,290,858	4.159%		444,744	5.681%
Debt extinguished		(279,559)	4.824%		(614,375)	3.730%		(360,403)	4.672%
Principal payments		(62,280)	4.930%		(56,205)	5.248%		(38,744)	5.456%
Foreign currency		(41,559)	3.811%		(10,361)	4.013%		187	5.637%
Ending balance	$	2,941,765	4.940%	$	3,010,711	5.095%	$	2,311,586	5.140%