(Loss) Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Parenthetical) (Details) - USD ($)	3 Months Ended																12 Months Ended
	Dec. 31, 2020		Sep. 30, 2020		Jun. 30, 2020		Mar. 31, 2020		Dec. 31, 2019		Sep. 30, 2019		Jun. 30, 2019		Mar. 31, 2019		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Earnings Per Share [Abstract]
Net (loss) income	$ (154,000,000)	[1]	$ (7,000,000)	[1]	$ (48,000,000)	[1]	$ 8,000,000	[1]	$ 72,000,000	[1]	$ 50,000,000	[1]	$ 39,000,000	[1]	$ 55,000,000	[1]	$ (200,709,244)	[1],[2]	$ 215,695,961	[1],[2]	$ 298,124,983	[2]

[1] The sum of the earnings per share for the four quarters may differ from annual earnings per share due to the required method of computing the weighted average shares in interim periods.

[2] Net (loss) income for years ended December 31, 2020, 2019, and 2018 was ($200,709,244), $215,695,961, and $298,124,983, respectively.