Stockholders' Equity - Equity Capital Raising Activities (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Net Proceeds (costs)	$ 167,246	$ 49,072	$ 301,384	$ 261,296
Common stock repurchased (in shares)			0
Common stock repurchased			$ (1,544)	0
Common Stock
Class of Stock [Line Items]
Per Share price (in dollars per share)	$ 5.26		$ 5.26
Net Proceeds (costs)	$ 22	$ 4	$ 39	22
Common stock repurchased (in shares)	(780,000)		(1,028,000)
Common stock repurchased			$ (5,410)
Series C Preferred Stock
Class of Stock [Line Items]
Net Proceeds (costs)				$ 36,585
2021 Common stock ATM Sales Agreement | Common Stock
Class of Stock [Line Items]
Number of Shares (in shares)			39,319,000		17,915,000
Per Share price (in dollars per share)	$ 7.67		$ 7.67		$ 11.13
Net Proceeds (costs)			$ 301,384		$ 199,444
Preferred C ATM Sales Agreement | Series C Preferred Stock
Class of Stock [Line Items]
Number of Shares (in shares)					1,500,000
Per Share price (in dollars per share)					$ 24.38
Net Proceeds (costs)					$ 36,585
Common stock ATM Sales Agreement | Common Stock
Class of Stock [Line Items]
Number of Shares (in shares)					10,713,000
Per Share price (in dollars per share)					$ 12.07
Net Proceeds (costs)					$ 129,336