Equity - Changes in Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Gains and Losses on Cash Flow Hedges, Beginning		$ 404
Gains and Losses on Cash Flow Hedges, Ending	(3,692)	404
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Gains and Losses on Cash Flow Hedges, Beginning	404
Other comprehensive loss before reclassifications	(5,468)
Amounts of loss reclassified from accumulated other comprehensive income to interest expense	1,372
Gains and Losses on Cash Flow Hedges, Ending	$ (3,692)