Deferred Costs Schedule of Amortization and Write-Offs of Deferred Financing, Leasing, and Leasing Incentive Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred leasing costs amortization	$ 6,076	$ 5,983	$ 4,699
Deferred leasing incentives amortization	$ 2,994	$ 2,848	$ 1,704