Stockholders' Equity and EPS - Preferred Stock Summary (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares	Feb. 02, 2021 $ / shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 09, 2019 $ / shares
Class of Stock [Line Items]
Carrying value | $	$ 1,079,333		$ 340,138
Preferred stock, shares issued | shares	357,500		350,000
Preferred stock, par value, in usd per share	$ 0.001		$ 0.001
Preferred Stock, Series A
Class of Stock [Line Items]
Amount outstanding | $	$ 350,000
Carrying value | $	$ 340,100
Preferred stock, shares issued | shares	350,000
Preferred stock, shares outstanding | shares	350,000
Preferred stock, par value, in usd per share	$ 0.001			$ 0.001
Preferred stock, depository share ownership interest	0.025
Preferred stock, liquidation preference per depositary share				$ 25
Preferred stock, dividends paid per depository share, usd per share	$ 0.33
Series B Preferred Stock
Class of Stock [Line Items]
Amount outstanding | $	$ 750,000
Carrying value | $	$ 739,200
Preferred stock, shares issued | shares	7,500
Preferred stock, shares outstanding | shares	7,500
Preferred stock, par value, in usd per share	$ 0.001	$ 0.001
Preferred stock, depository share ownership interest	0.01
Preferred stock, liquidation preference per depositary share		$ 1,000
Preferred stock, dividends paid per depository share, usd per share	$ 0