Unsecured Debt and Lines of Credit (Tables)

6 Months Ended

Jun. 30, 2014

Unsecured Debt and Lines of Credit [Abstract]

Schedule of unsecured debt and lines of credit

Unsecured debt and lines of credit consist of the following as of June 30, 2014 and December 31, 2013 ($ in thousands):

	June 30, 2014			December 31, 2013			Weighted Average Maturity In Years
Bonds private placement - fixed rate	$	465,000		$	465,000			4.7
Term loan - variable rate		350,000			350,000			2.7
Bonds public offering - fixed rate		1,933,494			595,023			7.5
Unsecured debt		2,748,494			1,410,023
Lines of credit		66,975			219,421			4.7
Total unsecured debt and lines of credit	$	2,815,469		$	1,629,444
Weighted average interest rate on fixed rate unsecured bonds		3.7	%		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	%

Summary of aggregate scheduled principal payments

The aggregate scheduled principal payments of the Company’s outstanding debt as of June 30, 2014 are as follows:

2014	$	-
2015		66,721
2016		369,225
2017		669,962
2018		313,541
Thereafter		3,522,146
	$	4,941,595