Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator (for basic and diluted earnings per share)
Net income (loss)	$ (3,653)	$ 46,248	$ (692,022)	$ 110,353
Less income allocated to RSUs (basic)	0	(885)	0	(1,831)
Less income allocated to RSUs (diluted)	0	(885)	0	(1,831)
Less preferred stock dividends	(12,576)	(12,576)	(37,729)	(37,729)
Numerator for basic earnings per share	(16,229)	32,787	(729,751)	70,793
Numerator for diluted earnings per share	$ (16,229)	$ 32,787	$ (729,751)	$ 70,793
Denominator
Basic weighted-average shares outstanding (in shares)	84,433	83,360	84,162	83,141
Effect of dilutive securities (in shares)	0	1,964	0	5,056
Diluted weighted-average shares outstanding (in shares)	84,433	85,324	84,162	88,197