Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt consists of the following (in thousands):



	June 30, 2015			December 31, 2014			Weighted Average Maturity In Years
Bonds private placement - fixed rate	$	463,667		$	463,443		3.7
Term loan - variable rate	224,299			224,130			1.4
Unsecured Bonds - fixed rate	2,405,140			1,915,975			7.3
Unsecured debt, net ⁽¹⁾	3,093,106			2,603,548
Lines of credit, net ⁽²⁾	28,762			242,824
Mortgage notes payable, net ⁽³⁾	$	2,247,463		$	2,234,317		6.5
Total debt	$	5,369,331		$	5,080,689
Weighted average interest rate on fixed rate unsecured and private placement bonds	3.6		%	3.6		%
Weighted average interest rate on variable rate term loan	2.4		%	2.4		%
Weighted average interest rate on lines of credit	1.9		%	1.8		%
Weighted average interest rate on mortgage notes payable	4.4		%	4.6		%

(1) Includes unamortized premium of $20.2 million and $27.5 million and reduced by unamortized debt issuance costs of $17.1 million and $13.9 million, as of June 30, 2015 and December 31, 2014, respectively.

(2) Reduced by unamortized debt issuance costs of $3.9 million and $3.6 million, as of June 30, 2015 and December 31, 2014, respectively.

(3) Includes unamortized premium of $73.8 million and $83.8 million and reduced by unamortized debt issuance costs of $11.1 million and $11.9 million, as of June 30, 2015 and December 31, 2014, respectively.

Summary of aggregate scheduled principal payments

The aggregate scheduled principal payments of the Company’s outstanding debt as of June 30, 2015 are as follows (excluding lines of credit):



Remaining in 2015	$	14,389
2016	391,519
2017	564,178
2018	320,621
2019	641,393
Thereafter	3,342,728
	$	5,274,828