Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, authorized	250,000,000	250,000,000
Preferred shares, issued	0	0
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	500,000,000	500,000,000
Common shares, issued	210,490,107	211,472,312
Common shares, outstanding	210,490,107	211,472,312

Face amount or stated value per share of common stock.

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