CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2016	Dec. 31, 2015
Class A Common Shares [Member]
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	100,000,000	100,000,000
Common shares, outstanding	25,822,201	24,817,842
Common shares, issued	25,822,201	24,817,842
Class B Common Shares [Member]
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	5,000,000	5,000,000
Common shares, outstanding	1,589,020	1,589,020
Common shares, issued	1,589,020	1,589,020
Class C Common Shares [Member]
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	50,000,000	50,000,000
Common shares, outstanding	5,775,735	6,773,185
Common shares, issued	5,775,735	6,773,185