Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance				$ (3,912)
Ending balance		$ (4,514)	$ (4,719)	(4,514)	$ (4,719)
Tax Increment Financing Bond [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance		(252)	(864)	(445)	(1,029)
Unrealized gains/(losses)		1	105	194	270
Ending balance		(251)	(759)	(251)	(759)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance		(5,457)	(2,058)	(3,467)	(1,582)
Unrealized gains/(losses)		269	(2,846)	(2,645)	(4,250)
Amortization reclassified out of AOCL	[1]	925	944	1,849	1,872
Ending balance		$ (4,263)	$ (3,960)	$ (4,263)	$ (3,960)

[1] Amounts reclassified out of AOCL into contractual interest expense.