Share-Based Compensation - Weighted-Average Assumptions Utilized to Value Performance-Based Awards Based on Total Shareholder Return (Details) - Restricted Share Units (RSUs), Performance-Based Awards - Share-based Payment Arrangement, Tranche One	9 Months Ended
	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield	1.56%
Expected historical volatility	71.10%
Risk free interest rate	0.17%
Expected life (in years)	3 years