CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS
Deferred financing costs, accumulated amortization (in dollars)	$ 8,475	$ 6,404
Preference shares, par value (in dollars per share)	$ 0.01	$ 0.01
Preference shares, authorized shares	200,000,000	200,000,000
Preference shares, issued shares	0	0
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, authorized shares	2,000,000,000	2,000,000,000
Common shares, issued shares	393,902,643	392,443,048
Treasury stock, shares	8,812,054	5,555,088