Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified				3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2014 Tax Increment Financing Bond [Member]	Sep. 30, 2013 Tax Increment Financing Bond [Member]	Sep. 30, 2014 Tax Increment Financing Bond [Member]	Sep. 30, 2013 Tax Increment Financing Bond [Member]	Sep. 30, 2014 Cash Flow Hedges [Member]		Sep. 30, 2013 Cash Flow Hedges [Member]		Sep. 30, 2014 Cash Flow Hedges [Member]		Sep. 30, 2013 Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) Calculation [Roll Forward]
Beginning balance	$ (2,831)	$ (2,611)	$ (5,003)	$ (759)	$ (1,599)	$ (1,029)	$ (1,898)	$ (3,960)		$ (2,543)		$ (1,582)		$ (10,730)
Unrealized gains/(losses)				23	97	293	396	913		(1,798)		(3,337)		4,801
Amortization reclassified out of AOCL								952	[1]	840	[1]	2,824	[1]	2,428	[1]
Ending balance	(2,831)	(2,611)	(5,003)	(736)	(1,502)	(736)	(1,502)	(2,095)		(3,501)		(2,095)		(3,501)
Total accumulated other comprehensive loss	$ (2,831)	$ (2,611)	$ (5,003)	$ (736)	$ (1,502)	$ (736)	$ (1,502)	$ (2,095)		$ (3,501)		$ (2,095)		$ (3,501)

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