CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss) attributable to common shareholders	$ 12,065	$ (6,837)	$ (18,317)
Change from cash flow hedging derivatives	(13,924)	(434)	2,781
Comprehensive loss attributable to common shareholders	$ (1,859)	$ (7,271)	$ (15,536)