Shareholders' Equity (Details Textual) - $ / shares	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Shareholders' Equity (Textual) [Abstract]
Common shares, authorized (in shares)	400,000,000	400,000,000
Common shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares, voting rights	1
Issuance of unrestricted common shares (in shares)	1,360
Issuance of restricted common shares (in shares)	548,419
Repurchase of common shares (in shares)	47,653
Common shares, outstanding (in shares)	60,765,796	60,263,670
Preferred shares, authorized (in shares)	100,000,000	100,000,000
Preferred shares, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred shares, outstanding (in shares)	0	0
Preferred shares, issued	0	0