Share-Based Compensation - Summary of Market- Based Awards Granted (Details) - shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted	687,685	613,473
Market Based Share Awards | 2016 Market Based Share Plan | Performance Period Ending December 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted	6,403
Market Based Share Awards | 2016 Market Based Share Plan | Performance Period Ending December 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted	52,404
Market Based Share Awards | 2015 Market-Based Share Plan | Performance Period Ending December 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted	57,982
Market Based Share Awards | 2015 Market-Based Share Plan | Performance Period Ending July 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted	25,000