Notes and Bonds Payable (Tables)

9 Months Ended

Sep. 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)		September 30, 2016		December 31, 2015		September 30, 2016
Unsecured Credit Facility	7/20	$	81,000	$	206,000	1.53	%
Unsecured Term Loan Facility, net of issuance costs	2/19	149,432		199,257		1.72	%
Senior Notes due 2021, net of discount and issuance costs	1/21	396,980		396,489		5.97	%
Senior Notes due 2023, net of discount and issuance costs	4/23	247,196		246,897		3.95	%
Senior Notes due 2025, net of discount and issuance costs	5/25	247,764		247,602		4.08	%
Mortgage notes payable, net of discounts and issuance costs and including premiums	5/17-5/40	116,690		128,747		5.14	%
		$	1,239,062	$	1,424,992