Share-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Options outstanding and exercisable
Options outstanding and exercisable Beginning Balance, Shares		41,143,000
Granted, Shares		204,150	0	0
Exercised, Shares		(41,143)
Options outstanding at December 31, 2020		204,150
Weighted-Average Exercise Price
Options outstanding and exercisable Beginning Balance, Weighted-Average Exercise Price		$ 16.62
Granted		19.98
Exercised, Weighted-Average Exercise Price		16.62
Options outstanding at December 31, 2020		$ 19.98
Aggregate intrinsic value of options outstanding at December 31, 2020	[1]	$ 3,305,928

[1] The aggregate intrinsic value of stock options outstanding represents the difference between our closing stock price at the end of the reporting period and the exercise price, multiplied by the number of in-the-money stock options.