Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Balance as of December 31, 2012	$	(8,446	)
Gains and Losses on Cash Flow Hedges:
Other comprehensive loss before reclassifications	(1,018		)
Amounts reclassified from accumulated other comprehensive loss to interest expense	7,280
Net current-period other comprehensive income, before income taxes	6,262
Income tax expense	(2,311		)
Net current-period other comprehensive income, net of income taxes	3,951
Balance as of December 31, 2013	$	(4,495	)