Debt and Lines of Credit (Tables)

9 Months Ended

Sep. 30, 2014

Debt and Lines of Credit [Abstract]

Schedule of debt and lines of credit

Debt and lines of credit consist of the following (in thousands):

	September 30, 2014			December 31, 2013			Weighted Average Maturity In Years
Bonds private placement - fixed rate	$	465,000		$	465,000			4.5
Term loan - variable rate		350,000			350,000			2.4
Unsecured Bonds - fixed rate		1,930,487			595,023			7.3
Unsecured debt		2,745,487			1,410,023
Mortgage notes		2,258,010			1,404,080			5.8
Lines of credit		222,628			219,421			4.5
Total debt (1)	$	5,226,125		$	3,033,524
Weighted average interest rate on fixed rate unsecured bonds		3.6	%		4.0	%
Weighted average interest rate on variable rate term loan		2.4	%		2.5	%
Weighted average interest rate on line of credit		1.7	%		2.2	%
Weighted average interest rate on mortgage notes		4.6	%		4.7	%

(1) Includes total unamortized premium of $118,940 and $6,553 as of September 30, 2014 and December 31, 2013, respectively.

Summary of aggregate scheduled principal payments

The aggregate scheduled principal payments of the Company’s outstanding debt as of September 30, 2014 are as follows (excluding lines of credit):

Remaining in 2014	$	7,388
2015		94,580
2016		391,481
2017		688,683
2018		320,080
Thereafter		3,382,345
	$	4,884,557