Debt - Maturities of Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013	Mar. 31, 2014 Defeased Debt	Dec. 31, 2007 Defeased Debt
Debt Disclosure [Abstract]
2014	$ 663	[1]
2015	25,748	[1]
2016	16,852	[1]
2017	90	[1]
2018	97	[1]
Thereafter	5,965	[1]
Long-term Debt	49,415	[1]	44,217	26,100	29,300
Debt Instrument [Line Items]
Long term debt	$ 49,415	[1]	$ 44,217	$ 26,100	$ 29,300

[1] Includes debt defeased in connection with the sale of the Company’s office portfolio in the amount of $26.1 million.