Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator (for basic and diluted earnings per share)
Net income (loss)	$ (669,829)	$ 41,740	$ (688,369)	$ 64,105
Less income allocated to RSUs (basic)	0	(872)	0	(1,105)
Less income allocated to RSUs (diluted)	0	(872)	0	(1,105)
Less preferred stock dividends	(12,577)	(12,577)	(25,153)	(25,153)
Numerator for basic earnings per share	(682,406)	28,291	(713,522)	37,847
Numerator for diluted earnings per share	$ (682,406)	$ 28,291	$ (713,522)	$ 37,847
Denominator
Basic weighted-average shares outstanding (in shares)	84,296	83,270	84,024	83,030
Effect of dilutive securities (in shares)	0	4,550	0	7,018
Diluted weighted-average shares outstanding (in shares)	84,296	87,820	84,024	90,048