Debt - Summary of the Balance of Indebtedness (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Principal Amount	$ 400,022	$ 358,205
Deferred Loan Fees	(6,117)	(7,432)
Total debt	393,905	350,773
Senior Notes [Member]
Debt Instrument [Line Items]
Principal Amount	260,000	260,000
Deferred Loan Fees	(5,771)	(6,835)
Total debt	254,229	253,165
Mortgage notes payable
Debt Instrument [Line Items]
Principal Amount	95,022	98,205
Deferred Loan Fees	(346)	(597)
Total debt	94,676	97,608
Line of Credit [Member]
Debt Instrument [Line Items]
Principal Amount	45,000	0
Deferred Loan Fees	0	0
Total debt	$ 45,000	$ 0