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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On October 15, 2018, Mr. Ismail Dawood was appointed Chief Financial Officer of the Company after previously serving as the Interim Chief Financial Officer and principal financial officer since April 9, 2018, and on January 14, 2019, Mr. John G. Saia joined the Company as Senior Vice President, General Counsel and Corporate Secretary.