Notes and Bonds Payable (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule of Debt

The table below details the Company’s notes and bonds payable.

	Maturity Dates	Balance as of				Effective Interest Rate as of
(Dollars in thousands)		June 30, 2016		December 31, 2015		June 30, 2016
Unsecured Credit Facility	4/17	$	190,000	$	206,000	1.61	%
Unsecured Term Loan Facility, net of issuance costs	2/19	199,374		199,257		1.66	%
Senior Notes due 2021, net of discount and issuance costs	1/21	396,816		396,489		5.97	%
Senior Notes due 2023, net of discount and issuance costs	4/23	247,096		246,897		3.95	%
Senior Notes due 2025, net of discount and issuance costs	5/25	247,709		247,602		4.08	%
Mortgage notes payable, net of discounts and issuance costs and including premiums	12/16-5/40	133,744		128,747		5.17	%
		$	1,414,739	$	1,424,992