Summary of Significant Accounting Policies - Earnings per share (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator (for basic and diluted earnings per share)
Income (loss) from continuing operations, net of tax	$ (947,784)	$ 195,902	$ 115,899
Less income allocated to RSUs, basic	0	(3,662)	(1,855)
Less income allocated to RSUs, diluted	0	(3,662)	(1,855)
Less preferred stock dividends	50,305	50,305	49,372
Numerator for basic earnings per share	(998,089)	141,935	64,672
Numerator for diluted earnings per share	$ (998,089)	$ 141,935	$ 64,672
Denominator
Basic weighted-average shares outstanding	84,266	83,220	82,327
Effect of dilutive securities	0	4,126	5,652
Diluted weighted-average shares outstanding	84,266	87,346	87,979