TWO Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Redeemable Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	40,050,000	40,050,000
Preferred stock carrying value	$ 977,501
Preferred stock liquidation preference per share (in usd per share)	$ 25.00
Preferred stock par value per share (in usd per share)	$ 0.01	$ 0.01
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	5,750,000
Preferred stock carrying value	$ 138,872
Preferred stock dividend rate	8.125%
Preferred stock dividend variable rate spread	5.66%
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	11,500,000
Preferred stock carrying value	$ 278,094
Preferred stock dividend rate	7.625%
Preferred stock dividend variable rate spread	5.352%
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	11,800,000
Preferred stock carrying value	$ 285,585
Preferred stock dividend rate	7.25%
Preferred stock dividend variable rate spread	5.011%
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	3,000,000
Preferred stock carrying value	$ 74,964
Preferred stock dividend rate	7.75%
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred shares outstanding (in shares)	8,000,000
Preferred stock carrying value	$ 199,986
Preferred stock dividend rate	7.50%