Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance					$ (3,912)
Ending balance	(5,709)		(2,922)		(3,912)
Total accumulated other comprehensive loss	(5,709)		(2,922)		(3,912)
Tax Increment Financing Bond [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance	(445)		(1,029)
Unrealized gains/(losses)	193		165
Ending balance	(252)		(864)
Total accumulated other comprehensive loss	(252)		(864)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance	(3,467)		(1,582)
Unrealized gains/(losses)	(2,914)		(1,404)
Amortization reclassified out of AOCL	924	[1]	928	[1]
Ending balance	(5,457)		(2,058)
Total accumulated other comprehensive loss	$ (5,457)		$ (2,058)

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