Mezzanine Equity and Total Equity - Mezzanine Equity and Total Equity/Common Stock (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended				6 Months Ended
	May 31, 2019	Jun. 30, 2022		Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022		Jun. 30, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, outstanding (in shares)		133,272,305	[1]			133,272,305	[1]		123,783,060
Class A
Class of Stock [Line Items]
Gross consideration received					$ 78.3	$ 24.9		$ 78.3
Commissions paid					1.3	0.4		1.3
Class A Common Stock ATM Program | Class A
Class of Stock [Line Items]
Sale of stock, consideration received on transaction (up to)					$ 77.0	24.5		$ 77.0
Sale of stock, maximum offering amount	$ 450.0
CIM Portfolio Acquisition | Class A
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares)				6,450,107
Sale of stock, number of shares issued in transaction, value				$ 50.0
Sale of stock, consideration received on transaction (up to)				$ 53.4		$ 53.4
Common Stock
Class of Stock [Line Items]
Common stock, outstanding (in shares)		133,300,000				133,300,000			123,800,000
Issuance of Stock, net (in shares)		3,618			8,634,223	2,765,329	[2]	8,634,223

[1] Includes 6,450,107 shares subject to repurchase issued to the Seller of the CIM Portfolio Acquisition.

[2] Includes shares of Class A common stock subject to repurchase.