Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Ending balance	$ (3,912)		$ (2,611)
Total accumulated other comprehensive loss	(3,912)		(2,611)
Tax Increment Financing Bond [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance	(1,029)		(1,898)
Unrealized gains/(losses)	584		869
Ending balance	(445)		(1,029)
Total accumulated other comprehensive loss	(445)		(1,029)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance	(1,582)		(10,730)
Unrealized gains/(losses)	(5,662)		5,778
Amortization reclassified out of AOCL	3,777	[1]	3,370	[1]
Ending balance	(3,467)		(1,582)
Total accumulated other comprehensive loss	$ (3,467)		$ (1,582)

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