CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 31,612	$ 10,716	$ (10,779)
Other comprehensive income (loss):
Unrealized gain (loss) on derivative contracts		(72)	(366)
Reclassification of other comprehensive income to interest expense		145	173
Comprehensive income (loss)	31,612	10,789	(10,972)
Comprehensive income (loss) attributable to noncontrolling interests	17,323	5,951	(6,275)
Comprehensive income (loss) attributable to common shares	$ 14,289	$ 4,838	$ (4,697)