Notes Payable and Unsecured Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

As of December 31, 2013, the key terms of the Line and Term Loan are as follows (dollars in thousands):

		Total Capacity			Remaining Capacity		Maturity		Variable Interest Rate		Facility Fee
Line	$	800,000	(1)	$	780,686	(2)	9/4/2016	(3)	LIBOR plus 117.5 basis points		22.5 basis points	(4)
Term Loan		75,000	(5)		—		12/15/2016		LIBOR plus 145 basis points	(6)	—

Schedule of Maturities of Long-term Debt [Table Text Block]

As of December 31, 2013, scheduled principal payments and maturities on notes payable and unsecured credit facilities were as follows (in thousands):

Scheduled Principal Payments and Maturities by Year:		Scheduled Principal Payments	Mortgage Loan Maturities	Unsecured Maturities (1)		Total
2014	$	7,094	15,538	150,000		172,632
2015		5,747	62,435	350,000		418,182
2016		5,487	21,661	75,000		102,148
2017		4,881	84,812	400,000		489,693
2018		4,156	57,358	—		61,514
Beyond 5 Years		17,005	190,298	400,000		607,303
Unamortized debt premiums (discounts), net		—	4,873	(1,648	)	3,225
Total notes payable	$	44,370	436,975	1,373,352		1,854,697